diff options
Diffstat (limited to 'drivers')
50 files changed, 671 insertions, 2361 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 1bbdd1693d5..889855d8d9f 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -15,7 +15,6 @@ #include <linux/amba/bus.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/sizes.h> #define to_amba_device(d) container_of(d, struct amba_device, dev) diff --git a/drivers/cdrom/cm206.c b/drivers/cdrom/cm206.c index 01f03517332..ce127f7ec0f 100644 --- a/drivers/cdrom/cm206.c +++ b/drivers/cdrom/cm206.c @@ -32,7 +32,7 @@ History: 18 mrt 1995: 0.24 Working background read-ahead. (still problems) 26 mrt 1995: 0.25 Multi-session ioctl added (kernel v1.2). Statistics implemented, though separate stats206.h. - Accessible trough ioctl 0x1000 (just a number). + Accessible through ioctl 0x1000 (just a number). Hard to choose between v1.2 development and 1.1.75. Bottom-half doesn't work with 1.2... 0.25a: fixed... typo. Still problems... diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 71407c578af..64819aa7cac 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -99,9 +99,6 @@ byte(const uint32_t x, const unsigned n) return x >> (n << 3); } -#define uint32_t_in(x) le32_to_cpu(*(const uint32_t *)(x)) -#define uint32_t_out(to, from) (*(uint32_t *)(to) = cpu_to_le32(from)) - #define E_KEY ctx->E #define D_KEY ctx->D @@ -294,6 +291,7 @@ static int aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t *flags) { struct aes_ctx *ctx = aes_ctx(ctx_arg); + const __le32 *key = (const __le32 *)in_key; uint32_t i, t, u, v, w; uint32_t P[AES_EXTENDED_KEY_SIZE]; uint32_t rounds; @@ -313,10 +311,10 @@ aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t ctx->E = ctx->e_data; ctx->D = ctx->e_data; - E_KEY[0] = uint32_t_in (in_key); - E_KEY[1] = uint32_t_in (in_key + 4); - E_KEY[2] = uint32_t_in (in_key + 8); - E_KEY[3] = uint32_t_in (in_key + 12); + E_KEY[0] = le32_to_cpu(key[0]); + E_KEY[1] = le32_to_cpu(key[1]); + E_KEY[2] = le32_to_cpu(key[2]); + E_KEY[3] = le32_to_cpu(key[3]); /* Prepare control words. */ memset(&ctx->cword, 0, sizeof(ctx->cword)); @@ -343,17 +341,17 @@ aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t break; case 24: - E_KEY[4] = uint32_t_in (in_key + 16); - t = E_KEY[5] = uint32_t_in (in_key + 20); + E_KEY[4] = le32_to_cpu(key[4]); + t = E_KEY[5] = le32_to_cpu(key[5]); for (i = 0; i < 8; ++i) loop6 (i); break; case 32: - E_KEY[4] = uint32_t_in (in_key + 16); - E_KEY[5] = uint32_t_in (in_key + 20); - E_KEY[6] = uint32_t_in (in_key + 24); - t = E_KEY[7] = uint32_t_in (in_key + 28); + E_KEY[4] = le32_to_cpu(in_key[4]); + E_KEY[5] = le32_to_cpu(in_key[5]); + E_KEY[6] = le32_to_cpu(in_key[6]); + t = E_KEY[7] = le32_to_cpu(in_key[7]); for (i = 0; i < 7; ++i) loop8 (i); break; @@ -468,6 +466,8 @@ static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out, static struct crypto_alg aes_alg = { .cra_name = "aes", + .cra_driver_name = "aes-padlock", + .cra_priority = 300, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct aes_ctx), diff --git a/drivers/crypto/padlock.h b/drivers/crypto/padlock.h index 3cf2b7a1234..b78489bc298 100644 --- a/drivers/crypto/padlock.h +++ b/drivers/crypto/padlock.h @@ -17,7 +17,7 @@ /* Control word. */ struct cword { - int __attribute__ ((__packed__)) + unsigned int __attribute__ ((__packed__)) rounds:4, algo:3, keygen:1, diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c index 3f0df3330fb..ebd9976fc81 100644 --- a/drivers/input/serio/sa1111ps2.c +++ b/drivers/input/serio/sa1111ps2.c @@ -20,7 +20,6 @@ #include <linux/spinlock.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/system.h> #include <asm/hardware/sa1111.h> diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c index 8d0958c38b6..4f50ee5767a 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -630,12 +630,12 @@ static int read_eeprom(int cpu, struct mpu_data *out) sprintf(nodename, "/u3@0,f8000000/i2c@f8001000/cpuid@a%d", cpu ? 2 : 0); np = of_find_node_by_path(nodename); if (np == NULL) { - printk(KERN_ERR "therm_pm72: Failed to retreive cpuid node from device-tree\n"); + printk(KERN_ERR "therm_pm72: Failed to retrieve cpuid node from device-tree\n"); return -ENODEV; } data = (u8 *)get_property(np, "cpuid", &len); if (data == NULL) { - printk(KERN_ERR "therm_pm72: Failed to retreive cpuid property from device-tree\n"); + printk(KERN_ERR "therm_pm72: Failed to retrieve cpuid property from device-tree\n"); of_node_put(np); return -ENODEV; } diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c index 80ddf9776bd..eb69a601e76 100644 --- a/drivers/macintosh/windfarm_pm81.c +++ b/drivers/macintosh/windfarm_pm81.c @@ -26,7 +26,7 @@ * (typically the drive fan) * - the main control (first control) gets the target value scaled with * the first pair of factors, and is then modified as below - * - the value of the target of the CPU Fan control loop is retreived, + * - the value of the target of the CPU Fan control loop is retrieved, * scaled with the second pair of factors, and the max of that and * the scaled target is applied to the main control. * diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 26632cead09..099ffb3b9c7 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -48,7 +48,7 @@ static int io = 0x384; static int radio_nr = -1; /* hw precision is 12.5 kHz - * It is only usefull to give freq in intervall of 200 (=0.0125Mhz), + * It is only useful to give freq in intervall of 200 (=0.0125Mhz), * other bits will be truncated */ #define RSF16_ENCODE(x) ((x)/200+856) diff --git a/drivers/message/i2o/README.ioctl b/drivers/message/i2o/README.ioctl index 73dd084c0e9..65c0c47aeb7 100644 --- a/drivers/message/i2o/README.ioctl +++ b/drivers/message/i2o/README.ioctl @@ -185,7 +185,7 @@ VII. Getting Parameters ENOMEM Kernel memory allocation error A return value of 0 does not mean that the value was actually - properly retreived. The user should check the result list + properly retrieved. The user should check the result list to determine the specific status of the transaction. VIII. Downloading Software diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 6696f71363b..bfca5c176e8 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -495,6 +495,7 @@ static void mmc_decode_cid(struct mmc_card *card) case 2: /* MMC v2.0 - v2.2 */ case 3: /* MMC v3.1 - v3.3 */ + case 4: /* MMC v4 */ card->cid.manfid = UNSTUFF_BITS(resp, 120, 8); card->cid.oemid = UNSTUFF_BITS(resp, 104, 16); card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index d5f28981596..f2c42b13945 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -187,7 +187,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.data.flags |= MMC_DATA_WRITE; brq.data.blocks = 1; } - brq.mrq.stop = brq.data.blocks > 1 ? &brq.stop : NULL; + + if (brq.data.blocks > 1) { + brq.data.flags |= MMC_DATA_MULTI; + brq.mrq.stop = &brq.stop; + } else { + brq.mrq.stop = NULL; + } brq.data.sg = mq->sg; brq.data.sg_len = blk_rq_map_sg(req->q, req, brq.data.sg); diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index 4f13bd2ccf9..f2575762536 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -90,7 +90,7 @@ static int dma = 2; * Basic functions */ -static inline void wbsd_unlock_config(struct wbsd_host* host) +static inline void wbsd_unlock_config(struct wbsd_host *host) { BUG_ON(host->config == 0); @@ -98,14 +98,14 @@ static inline void wbsd_unlock_config(struct wbsd_host* host) outb(host->unlock_code, host->config); } -static inline void wbsd_lock_config(struct wbsd_host* host) +static inline void wbsd_lock_config(struct wbsd_host *host) { BUG_ON(host->config == 0); outb(LOCK_CODE, host->config); } -static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8 value) +static inline void wbsd_write_config(struct wbsd_host *host, u8 reg, u8 value) { BUG_ON(host->config == 0); @@ -113,7 +113,7 @@ static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8 value) outb(value, host->config + 1); } -static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg) +static inline u8 wbsd_read_config(struct wbsd_host *host, u8 reg) { BUG_ON(host->config == 0); @@ -121,13 +121,13 @@ static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg) return inb(host->config + 1); } -static inline void wbsd_write_index(struct wbsd_host* host, u8 index, u8 value) +static inline void wbsd_write_index(struct wbsd_host *host, u8 index, u8 value) { outb(index, host->base + WBSD_IDXR); outb(value, host->base + WBSD_DATAR); } -static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index) +static inline u8 wbsd_read_index(struct wbsd_host *host, u8 index) { outb(index, host->base + WBSD_IDXR); return inb(host->base + WBSD_DATAR); @@ -137,7 +137,7 @@ static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index) * Common routines */ -static void wbsd_init_device(struct wbsd_host* host) +static void wbsd_init_device(struct wbsd_host *host) { u8 setup, ier; @@ -197,7 +197,7 @@ static void wbsd_init_device(struct wbsd_host* host) inb(host->base + WBSD_ISR); } -static void wbsd_reset(struct wbsd_host* host) +static void wbsd_reset(struct wbsd_host *host) { u8 setup; @@ -211,14 +211,13 @@ static void wbsd_reset(struct wbsd_host* host) wbsd_write_index(host, WBSD_IDX_SETUP, setup); } -static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq) +static void wbsd_request_end(struct wbsd_host *host, struct mmc_request *mrq) { unsigned long dmaflags; DBGF("Ending request, cmd (%x)\n", mrq->cmd->opcode); - if (host->dma >= 0) - { + if (host->dma >= 0) { /* * Release ISA DMA controller. */ @@ -247,7 +246,7 @@ static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq) * Scatter/gather functions */ -static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data) +static inline void wbsd_init_sg(struct wbsd_host *host, struct mmc_data *data) { /* * Get info. about SG list from data structure. @@ -259,7 +258,7 @@ static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data) host->remain = host->cur_sg->length; } -static inline int wbsd_next_sg(struct wbsd_host* host) +static inline int wbsd_next_sg(struct wbsd_host *host) { /* * Skip to next SG entry. @@ -270,33 +269,32 @@ static inline int wbsd_next_sg(struct wbsd_host* host) /* * Any entries left? */ - if (host->num_sg > 0) - { - host->offset = 0; - host->remain = host->cur_sg->length; - } + if (host->num_sg > 0) { + host->offset = 0; + host->remain = host->cur_sg->length; + } return host->num_sg; } -static inline char* wbsd_kmap_sg(struct wbsd_host* host) +static inline char *wbsd_kmap_sg(struct wbsd_host *host) { host->mapped_sg = kmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ) + host->cur_sg->offset; return host->mapped_sg; } -static inline void wbsd_kunmap_sg(struct wbsd_host* host) +static inline void wbsd_kunmap_sg(struct wbsd_host *host) { kunmap_atomic(host->mapped_sg, KM_BIO_SRC_IRQ); } -static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data) +static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data) { unsigned int len, i, size; - struct scatterlist* sg; - char* dmabuf = host->dma_buffer; - char* sgbuf; + struct scatterlist *sg; + char *dmabuf = host->dma_buffer; + char *sgbuf; size = host->size; @@ -308,8 +306,7 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data) * be the entire list though so make sure that * we do not transfer too much. */ - for (i = 0;i < len;i++) - { + for (i = 0; i < len; i++) { sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset; if (size < sg[i].length) memcpy(dmabuf, sgbuf, size); @@ -337,12 +334,12 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data) host->size -= size; } -static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data) +static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data) { unsigned int len, i, size; - struct scatterlist* sg; - char* dmabuf = host->dma_buffer; - char* sgbuf; + struct scatterlist *sg; + char *dmabuf = host->dma_buffer; + char *sgbuf; size = host->size; @@ -354,8 +351,7 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data) * be the entire list though so make sure that * we do not transfer too much. */ - for (i = 0;i < len;i++) - { + for (i = 0; i < len; i++) { sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset; if (size < sg[i].length) memcpy(sgbuf, dmabuf, size); @@ -387,46 +383,38 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data) * Command handling */ -static inline void wbsd_get_short_reply(struct wbsd_host* host, - struct mmc_command* cmd) +static inline void wbsd_get_short_reply(struct wbsd_host *host, + struct mmc_command *cmd) { /* * Correct response type? */ - if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) - { + if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) { cmd->error = MMC_ERR_INVALID; return; } - cmd->resp[0] = - wbsd_read_index(host, WBSD_IDX_RESP12) << 24; - cmd->resp[0] |= - wbsd_read_index(host, WBSD_IDX_RESP13) << 16; - cmd->resp[0] |= - wbsd_read_index(host, WBSD_IDX_RESP14) << 8; - cmd->resp[0] |= - wbsd_read_index(host, WBSD_IDX_RESP15) << 0; - cmd->resp[1] = - wbsd_read_index(host, WBSD_IDX_RESP16) << 24; + cmd->resp[0] = wbsd_read_index(host, WBSD_IDX_RESP12) << 24; + cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP13) << 16; + cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP14) << 8; + cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP15) << 0; + cmd->resp[1] = wbsd_read_index(host, WBSD_IDX_RESP16) << 24; } -static inline void wbsd_get_long_reply(struct wbsd_host* host, - struct mmc_command* cmd) +static inline void wbsd_get_long_reply(struct wbsd_host *host, + struct mmc_command *cmd) { int i; /* * Correct response type? */ - if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) - { + if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) { cmd->error = MMC_ERR_INVALID; return; } - for (i = 0;i < 4;i++) - { + for (i = 0; i < 4; i++) { cmd->resp[i] = wbsd_read_index(host, WBSD_IDX_RESP1 + i * 4) << 24; cmd->resp[i] |= @@ -438,7 +426,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host* host, } } -static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd) +static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd) { int i; u8 status, isr; @@ -456,7 +444,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd) * Send the command (CRC calculated by host). */ outb(cmd->opcode, host->base + WBSD_CMDR); - for (i = 3;i >= 0;i--) + for (i = 3; i >= 0; i--) outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR); cmd->error = MMC_ERR_NONE; @@ -471,8 +459,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd) /* * Do we expect a reply? */ - if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE) - { + if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE) { /* * Read back status. */ @@ -488,8 +475,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd) else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC)) cmd->error = MMC_ERR_BADCRC; /* All ok */ - else - { + else { if ((cmd->flags & MMC_RSP_MASK) == MMC_RSP_SHORT) wbsd_get_short_reply(host, cmd); else @@ -504,10 +490,10 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd) * Data functions */ -static void wbsd_empty_fifo(struct wbsd_host* host) +static void wbsd_empty_fifo(struct wbsd_host *host) { - struct mmc_data* data = host->mrq->cmd->data; - char* buffer; + struct mmc_data *data = host->mrq->cmd->data; + char *buffer; int i, fsr, fifo; /* @@ -522,8 +508,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host) * Drain the fifo. This has a tendency to loop longer * than the FIFO length (usually one block). */ - while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) - { + while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) { /* * The size field in the FSR is broken so we have to * do some guessing. @@ -535,8 +520,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host) else fifo = 1; - for (i = 0;i < fifo;i++) - { + for (i = 0; i < fifo; i++) { *buffer = inb(host->base + WBSD_DFR); buffer++; host->offset++; @@ -547,8 +531,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host) /* * Transfer done? */ - if (data->bytes_xfered == host->size) - { + if (data->bytes_xfered == host->size) { wbsd_kunmap_sg(host); return; } @@ -556,15 +539,13 @@ static void wbsd_empty_fifo(struct wbsd_host* host) /* * End of scatter list entry? */ - if (host->remain == 0) - { + if (host->remain == 0) { wbsd_kunmap_sg(host); /* * Get next entry. Check if last. */ - if (!wbsd_next_sg(host)) - { + if (!wbsd_next_sg(host)) { /* * We should never reach this point. * It means that we're trying to @@ -594,10 +575,10 @@ static void wbsd_empty_fifo(struct wbsd_host* host) tasklet_schedule(&host->fifo_tasklet); } -static void wbsd_fill_fifo(struct wbsd_host* host) +static void wbsd_fill_fifo(struct wbsd_host *host) { - struct mmc_data* data = host->mrq->cmd->data; - char* buffer; + struct mmc_data *data = host->mrq->cmd->data; + char *buffer; int i, fsr, fifo; /* @@ -613,8 +594,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host) * Fill the fifo. This has a tendency to loop longer * than the FIFO length (usually one block). */ - while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) - { + while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) { /* * The size field in the FSR is broken so we have to * do some guessing. @@ -626,8 +606,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host) else fifo = 15; - for (i = 16;i > fifo;i--) - { + for (i = 16; i > fifo; i--) { outb(*buffer, host->base + WBSD_DFR); buffer++; host->offset++; @@ -638,8 +617,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host) /* * Transfer done? */ - if (data->bytes_xfered == host->size) - { + if (data->bytes_xfered == host->size) { wbsd_kunmap_sg(host); return; } @@ -647,15 +625,13 @@ static void wbsd_fill_fifo(struct wbsd_host* host) /* * End of scatter list entry? */ - if (host->remain == 0) - { + if (host->remain == 0) { wbsd_kunmap_sg(host); /* * Get next entry. Check if last. */ - if (!wbsd_next_sg(host)) - { + if (!wbsd_next_sg(host)) { /* * We should never reach this point. * It means that we're trying to @@ -684,7 +660,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host) tasklet_schedule(&host->fifo_tasklet); } -static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) +static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) { u16 blksize; u8 setup; @@ -706,8 +682,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) */ if (data->timeout_ns > 127000000) wbsd_write_index(host, WBSD_IDX_TAAC, 127); - else - wbsd_write_index(host, WBSD_IDX_TAAC, data->timeout_ns/1000000); + else { + wbsd_write_index(host, WBSD_IDX_TAAC, + data->timeout_ns / 1000000); + } if (data->timeout_clks > 255) wbsd_write_index(host, WBSD_IDX_NSAC, 255); @@ -722,23 +700,18 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) * Space for CRC must be included in the size. * Two bytes are needed for each data line. */ - if (host->bus_width == MMC_BUS_WIDTH_1) - { + if (host->bus_width == MMC_BUS_WIDTH_1) { blksize = (1 << data->blksz_bits) + 2; wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0); wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); - } - else if (host->bus_width == MMC_BUS_WIDTH_4) - { + } else if (host->bus_width == MMC_BUS_WIDTH_4) { blksize = (1 << data->blksz_bits) + 2 * 4; - wbsd_write_index(host, WBSD_IDX_PBSMSB, ((blksize >> 4) & 0xF0) - | WBSD_DATA_WIDTH); + wbsd_write_index(host, WBSD_IDX_PBSMSB, + ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH); wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); - } - else - { + } else { data->error = MMC_ERR_INVALID; return; } @@ -755,14 +728,12 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) /* * DMA transfer? */ - if (host->dma >= 0) - { + if (host->dma >= 0) { /* * The buffer for DMA is only 64 kB. */ BUG_ON(host->size > 0x10000); - if (host->size > 0x10000) - { + if (host->size > 0x10000) { data->error = MMC_ERR_INVALID; return; } @@ -794,9 +765,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) * Enable DMA on the host. */ wbsd_write_index(host, WBSD_IDX_DMA, WBSD_DMA_ENABLE); - } - else - { + } else { /* * This flag is used to keep printk * output to a minimum. @@ -817,13 +786,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) * Set up FIFO threshold levels (and fill * buffer if doing a write). */ - if (data->flags & MMC_DATA_READ) - { + if (data->flags & MMC_DATA_READ) { wbsd_write_index(host, WBSD_IDX_FIFOEN, WBSD_FIFOEN_FULL | 8); - } - else - { + } else { wbsd_write_index(host, WBSD_IDX_FIFOEN, WBSD_FIFOEN_EMPTY | 8); wbsd_fill_fifo(host); @@ -833,7 +799,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data) data->error = MMC_ERR_NONE; } -static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data) +static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data) { unsigned long dmaflags; int count; @@ -851,16 +817,14 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data) * Wait for the controller to leave data * transfer state. */ - do - { + do { status = wbsd_read_index(host, WBSD_IDX_STATUS); } while (status & (WBSD_BLOCK_READ | WBSD_BLOCK_WRITE)); /* * DMA transfer? */ - if (host->dma >= 0) - { + if (host->dma >= 0) { /* * Disable DMA on the host. */ @@ -878,16 +842,13 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data) /* * Any leftover data? */ - if (count) - { + if (count) { printk(KERN_ERR "%s: Incomplete DMA transfer. " "%d bytes left.\n", mmc_hostname(host->mmc), count); data->error = MMC_ERR_FAILED; - } - else - { + } else { /* * Transfer data from DMA buffer to * SG list. @@ -910,10 +871,10 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data) * * \*****************************************************************************/ -static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq) +static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq) { - struct wbsd_host* host = mmc_priv(mmc); - struct mmc_command* cmd; + struct wbsd_host *host = mmc_priv(mmc); + struct mmc_command *cmd; /* * Disable tasklets to avoid a deadlock. @@ -930,8 +891,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq) * If there is no card in the slot then * timeout immediatly. */ - if (!(host->flags & WBSD_FCARD_PRESENT)) - { + if (!(host->flags & WBSD_FCARD_PRESENT)) { cmd->error = MMC_ERR_TIMEOUT; goto done; } @@ -939,8 +899,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq) /* * Does the request include data? */ - if (cmd->data) - { + if (cmd->data) { wbsd_prepare_data(host, cmd->data); if (cmd->data->error != MMC_ERR_NONE) @@ -954,8 +913,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq) * will be finished after the data has * transfered. */ - if (cmd->data && (cmd->error == MMC_ERR_NONE)) - { + if (cmd->data && (cmd->error == MMC_ERR_NONE)) { /* * Dirty fix for hardware bug. */ @@ -973,14 +931,14 @@ done: spin_unlock_bh(&host->lock); } -static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) +static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { - struct wbsd_host* host = mmc_priv(mmc); + struct wbsd_host *host = mmc_priv(mmc); u8 clk, setup, pwr; DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n", - ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select, - ios->vdd, ios->bus_width); + ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select, + ios->vdd, ios->bus_width); spin_lock_bh(&host->lock); @@ -1004,8 +962,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) * Only write to the clock register when * there is an actual change. */ - if (clk != host->clk) - { + if (clk != host->clk) { wbsd_write_index(host, WBSD_IDX_CLK, clk); host->clk = clk; } @@ -1013,8 +970,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) /* * Power up card. */ - if (ios->power_mode != MMC_POWER_OFF) - { + if (ios->power_mode != MMC_POWER_OFF) { pwr = inb(host->base + WBSD_CSR); pwr &= ~WBSD_POWER_N; outb(pwr, host->base + WBSD_CSR); @@ -1026,23 +982,19 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) * that needs to be disabled. */ setup = wbsd_read_index(host, WBSD_IDX_SETUP); - if (ios->chip_select == MMC_CS_HIGH) - { + if (ios->chip_select == MMC_CS_HIGH) { BUG_ON(ios->bus_width != MMC_BUS_WIDTH_1); setup |= WBSD_DAT3_H; host->flags |= WBSD_FIGNORE_DETECT; - } - else - { - if (setup & WBSD_DAT3_H) - { + } else { + if (setup & WBSD_DAT3_H) { setup &= ~WBSD_DAT3_H; /* * We cannot resume card detection immediatly * because of capacitance and delays in the chip. */ - mod_timer(&host->ignore_timer, jiffies + HZ/100); + mod_timer(&host->ignore_timer, jiffies + HZ / 100); } } wbsd_write_index(host, WBSD_IDX_SETUP, setup); @@ -1056,9 +1008,9 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) spin_unlock_bh(&host->lock); } -static int wbsd_get_ro(struct mmc_host* mmc) +static int wbsd_get_ro(struct mmc_host *mmc) { - struct wbsd_host* host = mmc_priv(mmc); + struct wbsd_host *host = mmc_priv(mmc); u8 csr; spin_lock_bh(&host->lock); @@ -1096,7 +1048,7 @@ static struct mmc_host_ops wbsd_ops = { static void wbsd_reset_ignore(unsigned long data) { - struct wbsd_host *host = (struct wbsd_host*)data; + struct wbsd_host *host = (struct wbsd_host *)data; BUG_ON(host == NULL); @@ -1119,7 +1071,7 @@ static void wbsd_reset_ignore(unsigned long data) * Tasklets */ -static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host) +static inline struct mmc_data *wbsd_get_data(struct wbsd_host *host) { WARN_ON(!host->mrq); if (!host->mrq) @@ -1138,14 +1090,13 @@ static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host) static void wbsd_tasklet_card(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; + struct wbsd_host *host = (struct wbsd_host *)param; u8 csr; int delay = -1; spin_lock(&host->lock); - if (host->flags & WBSD_FIGNORE_DETECT) - { + if (host->flags & WBSD_FIGNORE_DETECT) { spin_unlock(&host->lock); return; } @@ -1153,23 +1104,18 @@ static void wbsd_tasklet_card(unsigned long param) csr = inb(host->base + WBSD_CSR); WARN_ON(csr == 0xff); - if (csr & WBSD_CARDPRESENT) - { - if (!(host->flags & WBSD_FCARD_PRESENT)) - { + if (csr & WBSD_CARDPRESENT) { + if (!(host->flags & WBSD_FCARD_PRESENT)) { DBG("Card inserted\n"); host->flags |= WBSD_FCARD_PRESENT; delay = 500; } - } - else if (host->flags & WBSD_FCARD_PRESENT) - { + } else if (host->flags & WBSD_FCARD_PRESENT) { DBG("Card removed\n"); host->flags &= ~WBSD_FCARD_PRESENT; - if (host->mrq) - { + if (host->mrq) { printk(KERN_ERR "%s: Card removed during transfer!\n", mmc_hostname(host->mmc)); wbsd_reset(host); @@ -1193,8 +1139,8 @@ static void wbsd_tasklet_card(unsigned long param) static void wbsd_tasklet_fifo(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; - struct mmc_data* data; + struct wbsd_host *host = (struct wbsd_host *)param; + struct mmc_data *data; spin_lock(&host->lock); @@ -1213,8 +1159,7 @@ static void wbsd_tasklet_fifo(unsigned long param) /* * Done? */ - if (host->size == data->bytes_xfered) - { + if (host->size == data->bytes_xfered) { wbsd_write_index(host, WBSD_IDX_FIFOEN, 0); tasklet_schedule(&host->finish_tasklet); } @@ -1225,8 +1170,8 @@ end: static void wbsd_tasklet_crc(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; - struct mmc_data* data; + struct wbsd_host *host = (struct wbsd_host *)param; + struct mmc_data *data; spin_lock(&host->lock); @@ -1249,8 +1194,8 @@ end: static void wbsd_tasklet_timeout(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; - struct mmc_data* data; + struct wbsd_host *host = (struct wbsd_host *)param; + struct mmc_data *data; spin_lock(&host->lock); @@ -1273,8 +1218,8 @@ end: static void wbsd_tasklet_finish(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; - struct mmc_data* data; + struct wbsd_host *host = (struct wbsd_host *)param; + struct mmc_data *data; spin_lock(&host->lock); @@ -1294,14 +1239,13 @@ end: static void wbsd_tasklet_block(unsigned long param) { - struct wbsd_host* host = (struct wbsd_host*)param; - struct mmc_data* data; + struct wbsd_host *host = (struct wbsd_host *)param; + struct mmc_data *data; spin_lock(&host->lock); if ((wbsd_read_index(host, WBSD_IDX_CRCSTATUS) & WBSD_CRC_MASK) != - WBSD_CRC_OK) - { + WBSD_CRC_OK) { data = wbsd_get_data(host); if (!data) goto end; @@ -1323,7 +1267,7 @@ end: static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs) { - struct wbsd_host* host = dev_id; + struct wbsd_host *host = dev_id; int isr; isr = inb(host->base + WBSD_ISR); @@ -1365,10 +1309,10 @@ static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs) * Allocate/free MMC structure. */ -static int __devinit wbsd_alloc_mmc(struct device* dev) +static int __devinit wbsd_alloc_mmc(struct device *dev) { - struct mmc_host* mmc; - struct wbsd_host* host; + struct mmc_host *mmc; + struct wbsd_host *host; /* * Allocate MMC structure. @@ -1388,7 +1332,7 @@ static int __devinit wbsd_alloc_mmc(struct device* dev) mmc->ops = &wbsd_ops; mmc->f_min = 375000; mmc->f_max = 24000000; - mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34; + mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; mmc->caps = MMC_CAP_4_BIT_DATA; spin_lock_init(&host->lock); @@ -1424,10 +1368,10 @@ static int __devinit wbsd_alloc_mmc(struct device* dev) return 0; } -static void __devexit wbsd_free_mmc(struct device* dev) +static void __devexit wbsd_free_mmc(struct device *dev) { - struct mmc_host* mmc; - struct wbsd_host* host; + struct mmc_host *mmc; + struct wbsd_host *host; mmc = dev_get_drvdata(dev); if (!mmc) @@ -1447,7 +1391,7 @@ static void __devexit wbsd_free_mmc(struct device* dev) * Scan for known chip id:s */ -static int __devinit wbsd_scan(struct wbsd_host* host) +static int __devinit wbsd_scan(struct wbsd_host *host) { int i, j, k; int id; @@ -1477,16 +1421,14 @@ static int __devinit wbsd_scan(struct wbsd_host* host) wbsd_lock_config(host); for (k = 0; k < ARRAY_SIZE(valid_ids); k++) { - if (id == valid_ids[k]) - { + if (id == valid_ids[k]) { host->chip_id = id; return 0; } } - if (id != 0xFFFF) - { + if (id != 0xFFFF) { DBG("Unknown hardware (id %x) found at %x\n", id, config_ports[i]); } @@ -1505,7 +1447,7 @@ static int __devinit wbsd_scan(struct wbsd_host* host) * Allocate/free io port ranges */ -static int __devinit wbsd_request_region(struct wbsd_host* host, int base) +static int __devinit wbsd_request_region(struct wbsd_host *host, int base) { if (io & 0x7) return -EINVAL; @@ -1518,7 +1460,7 @@ static int __devinit wbsd_request_region(struct wbsd_host* host, int base) return 0; } -static void __devexit wbsd_release_regions(struct wbsd_host* host) +static void __devexit wbsd_release_regions(struct wbsd_host *host) { if (host->base) release_region(host->base, 8); @@ -1535,7 +1477,7 @@ static void __devexit wbsd_release_regions(struct wbsd_host* host) * Allocate/free DMA port and buffer */ -static void __devinit wbsd_request_dma(struct wbsd_host* host, int dma) +static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma) { if (dma < 0) return; @@ -1579,8 +1521,8 @@ kfree: */ BUG_ON(1); - dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE, - DMA_BIDIRECTIONAL); + dma_unmap_single(host->mmc->dev, host->dma_addr, + WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); host->dma_addr = (dma_addr_t)NULL; kfree(host->dma_buffer); @@ -1594,11 +1536,12 @@ err: "Falling back on FIFO.\n", dma); } -static void __devexit wbsd_release_dma(struct wbsd_host* host) +static void __devexit wbsd_release_dma(struct wbsd_host *host) { - if (host->dma_addr) - dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE, - DMA_BIDIRECTIONAL); + if (host->dma_addr) { + dma_unmap_single(host->mmc->dev, host->dma_addr, + WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); + } kfree(host->dma_buffer); if (host->dma >= 0) free_dma(host->dma); @@ -1612,7 +1555,7 @@ static void __devexit wbsd_release_dma(struct wbsd_host* host) * Allocate/free IRQ. */ -static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq) +static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq) { int ret; @@ -1629,17 +1572,23 @@ static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq) /* * Set up tasklets. */ - tasklet_init(&host->card_tasklet, wbsd_tasklet_card, (unsigned long)host); - tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo, (unsigned long)host); - tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc, (unsigned long)host); - tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout, (unsigned long)host); - tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish, (unsigned long)host); - tasklet_init(&host->block_tasklet, wbsd_tasklet_block, (unsigned long)host); + tasklet_init(&host->card_tasklet, wbsd_tasklet_card, + (unsigned long)host); + tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo, + (unsigned long)host); + tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc, + (unsigned long)host); + tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout, + (unsigned long)host); + tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish, + (unsigned long)host); + tasklet_init(&host->block_tasklet, wbsd_tasklet_block, + (unsigned long)host); return 0; } -static void __devexit wbsd_release_irq(struct wbsd_host* host) +static void __devexit wbsd_release_irq(struct wbsd_host *host) { if (!host->irq) return; @@ -1660,7 +1609,7 @@ static void __devexit wbsd_release_irq(struct wbsd_host* host) * Allocate all resources for the host. */ -static int __devinit wbsd_request_resources(struct wbsd_host* host, +static int __devinit wbsd_request_resources(struct wbsd_host *host, int base, int irq, int dma) { int ret; @@ -1691,7 +1640,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host* host, * Release all resources for the host. */ -static void __devexit wbsd_release_resources(struct wbsd_host* host) +static void __devexit wbsd_release_resources(struct wbsd_host *host) { wbsd_release_dma(host); wbsd_release_irq(host); @@ -1702,7 +1651,7 @@ static void __devexit wbsd_release_resources(struct wbsd_host* host) * Configure the resources the chip should use. */ -static void wbsd_chip_config(struct wbsd_host* host) +static void wbsd_chip_config(struct wbsd_host *host) { wbsd_unlock_config(host); @@ -1746,7 +1695,7 @@ static void wbsd_chip_config(struct wbsd_host* host) * Check that configured resources are correct. */ -static int wbsd_chip_validate(struct wbsd_host* host) +static int wbsd_chip_validate(struct wbsd_host *host) { int base, irq, dma; @@ -1786,7 +1735,7 @@ static int wbsd_chip_validate(struct wbsd_host* host) * Powers down the SD function */ -static void wbsd_chip_poweroff(struct wbsd_host* host) +static void wbsd_chip_poweroff(struct wbsd_host *host) { wbsd_unlock_config(host); @@ -1802,11 +1751,11 @@ static void wbsd_chip_poweroff(struct wbsd_host* host) * * \*****************************************************************************/ -static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, +static int __devinit wbsd_init(struct device *dev, int base, int irq, int dma, int pnp) { - struct wbsd_host* host = NULL; - struct mmc_host* mmc = NULL; + struct wbsd_host *host = NULL; + struct mmc_host *mmc = NULL; int ret; ret = wbsd_alloc_mmc(dev); @@ -1820,16 +1769,12 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, * Scan for hardware. */ ret = wbsd_scan(host); - if (ret) - { - if (pnp && (ret == -ENODEV)) - { + if (ret) { + if (pnp && (ret == -ENODEV)) { printk(KERN_WARNING DRIVER_NAME ": Unable to confirm device presence. You may " "experience lock-ups.\n"); - } - else - { + } else { wbsd_free_mmc(dev); return ret; } @@ -1839,8 +1784,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, * Request resources. */ ret = wbsd_request_resources(host, io, irq, dma); - if (ret) - { + if (ret) { wbsd_release_resources(host); wbsd_free_mmc(dev); return ret; @@ -1849,18 +1793,15 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, /* * See if chip needs to be configured. */ - if (pnp) - { - if ((host->config != 0) && !wbsd_chip_validate(host)) - { + if (pnp) { + if ((host->config != 0) && !wbsd_chip_validate(host)) { printk(KERN_WARNING DRIVER_NAME ": PnP active but chip not configured! " "You probably have a buggy BIOS. " "Configuring chip manually.\n"); wbsd_chip_config(host); } - } - else + } else wbsd_chip_config(host); /* @@ -1868,8 +1809,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, * Not tested. */ #ifdef CONFIG_PM - if (host->config) - { + if (host->config) { wbsd_unlock_config(host); wbsd_write_config(host, WBSD_CONF_PME, 0xA0); wbsd_lock_config(host); @@ -1902,10 +1842,10 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma, return 0; } -static void __devexit wbsd_shutdown(struct device* dev, int pnp) +static void __devexit wbsd_shutdown(struct device *dev, int pnp) { - struct mmc_host* mmc = dev_get_drvdata(dev); - struct wbsd_host* host; + struct mmc_host *mmc = dev_get_drvdata(dev); + struct wbsd_host *host; if (!mmc) return; @@ -1929,12 +1869,12 @@ static void __devexit wbsd_shutdown(struct device* dev, int pnp) * Non-PnP */ -static int __devinit wbsd_probe(struct platform_device* dev) +static int __devinit wbsd_probe(struct platform_device *dev) { return wbsd_init(&dev->dev, io, irq, dma, 0); } -static int __devexit wbsd_remove(struct platform_device* dev) +static int __devexit wbsd_remove(struct platform_device *dev) { wbsd_shutdown(&dev->dev, 0); @@ -1948,7 +1888,7 @@ static int __devexit wbsd_remove(struct platform_device* dev) #ifdef CONFIG_PNP static int __devinit -wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id) +wbsd_pnp_probe(struct pnp_dev *pnpdev, const struct pnp_device_id *dev_id) { int io, irq, dma; @@ -1967,7 +1907,7 @@ wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id) return wbsd_init(&pnpdev->dev, io, irq, dma, 1); } -static void __devexit wbsd_pnp_remove(struct pnp_dev * dev) +static void __devexit wbsd_pnp_remove(struct pnp_dev *dev) { wbsd_shutdown(&dev->dev, 1); } @@ -1980,37 +1920,54 @@ static void __devexit wbsd_pnp_remove(struct pnp_dev * dev) #ifdef CONFIG_PM -static int wbsd_suspend(struct platform_device *dev, pm_message_t state) +static int wbsd_suspend(struct wbsd_host *host, pm_message_t state) +{ + BUG_ON(host == NULL); + + return mmc_suspend_host(host->mmc, state); +} + +static int wbsd_resume(struct wbsd_host *host) +{ + BUG_ON(host == NULL); + + wbsd_init_device(host); + + return mmc_resume_host(host->mmc); +} + +static int wbsd_platform_suspend(struct platform_device *dev, + pm_message_t state) { struct mmc_host *mmc = platform_get_drvdata(dev); struct wbsd_host *host; int ret; - if (!mmc) + if (mmc == NULL) return 0; - DBG("Suspending...\n"); - - ret = mmc_suspend_host(mmc, state); - if (!ret) - return ret; + DBGF("Suspending...\n"); host = mmc_priv(mmc); + ret = wbsd_suspend(host, state); + if (ret) + return ret; + wbsd_chip_poweroff(host); return 0; } -static int wbsd_resume(struct platform_device *dev) +static int wbsd_platform_resume(struct platform_device *dev) { struct mmc_host *mmc = platform_get_drvdata(dev); struct wbsd_host *host; - if (!mmc) + if (mmc == NULL) return 0; - DBG("Resuming...\n"); + DBGF("Resuming...\n"); host = mmc_priv(mmc); @@ -2021,15 +1978,68 @@ static int wbsd_resume(struct platform_device *dev) */ mdelay(5); - wbsd_init_device(host); + return wbsd_resume(host); +} + +#ifdef CONFIG_PNP + +static int wbsd_pnp_suspend(struct pnp_dev *pnp_dev, pm_message_t state) +{ + struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev); + struct wbsd_host *host; + + if (mmc == NULL) + return 0; + + DBGF("Suspending...\n"); + + host = mmc_priv(mmc); + + return wbsd_suspend(host, state); +} + +static int wbsd_pnp_resume(struct pnp_dev *pnp_dev) +{ + struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev); + struct wbsd_host *host; + + if (mmc == NULL) + return 0; + + DBGF("Resuming...\n"); - return mmc_resume_host(mmc); + host = mmc_priv(mmc); + + /* + * See if chip needs to be configured. + */ + if (host->config != 0) { + if (!wbsd_chip_validate(host)) { + printk(KERN_WARNING DRIVER_NAME + ": PnP active but chip not configured! " + "You probably have a buggy BIOS. " + "Configuring chip manually.\n"); + wbsd_chip_config(host); + } + } + + /* + * Allow device to initialise itself properly. + */ + mdelay(5); + + return wbsd_resume(host); } +#endif /* CONFIG_PNP */ + #else /* CONFIG_PM */ -#define wbsd_suspend NULL -#define wbsd_resume NULL +#define wbsd_platform_suspend NULL +#define wbsd_platform_resume NULL + +#define wbsd_pnp_suspend NULL +#define wbsd_pnp_resume NULL #endif /* CONFIG_PM */ @@ -2039,8 +2049,8 @@ static struct platform_driver wbsd_driver = { .probe = wbsd_probe, .remove = __devexit_p(wbsd_remove), - .suspend = wbsd_suspend, - .resume = wbsd_resume, + .suspend = wbsd_platform_suspend, + .resume = wbsd_platform_resume, .driver = { .name = DRIVER_NAME, }, @@ -2053,6 +2063,9 @@ static struct pnp_driver wbsd_pnp_driver = { .id_table = pnp_dev_table, .probe = wbsd_pnp_probe, .remove = __devexit_p(wbsd_pnp_remove), + + .suspend = wbsd_pnp_suspend, + .resume = wbsd_pnp_resume, }; #endif /* CONFIG_PNP */ @@ -2072,31 +2085,26 @@ static int __init wbsd_drv_init(void) #ifdef CONFIG_PNP - if (!nopnp) - { + if (!nopnp) { result = pnp_register_driver(&wbsd_pnp_driver); if (result < 0) return result; } - #endif /* CONFIG_PNP */ - if (nopnp) - { + if (nopnp) { result = platform_driver_register(&wbsd_driver); if (result < 0) return result; wbsd_device = platform_device_alloc(DRIVER_NAME, -1); - if (!wbsd_device) - { + if (!wbsd_device) { platform_driver_unregister(&wbsd_driver); return -ENOMEM; } result = platform_device_add(wbsd_device); - if (result) - { + if (result) { platform_device_put(wbsd_device); platform_driver_unregister(&wbsd_driver); return result; @@ -2115,8 +2123,7 @@ static void __exit wbsd_drv_exit(void) #endif /* CONFIG_PNP */ - if (nopnp) - { + if (nopnp) { platform_device_unregister(wbsd_device); platform_driver_unregister(&wbsd_driver); diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index b9b77cf39a1..7abd7fee0dd 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -473,14 +473,6 @@ config MTD_IXP2000 IXDP425 and Coyote. If you have an IXP2000 based board and would like to use the flash chips on it, say 'Y'. -config MTD_EPXA10DB - tristate "CFI Flash device mapped on Epxa10db" - depends on MTD_CFI && MTD_PARTITIONS && ARCH_CAMELOT - help - This enables support for the flash devices on the Altera - Excalibur XA10 Development Board. If you are building a kernel - for on of these boards then you should say 'Y' otherwise say 'N'. - config MTD_FORTUNET tristate "CFI Flash device mapped on the FortuNet board" depends on MTD_CFI && MTD_PARTITIONS && SA1100_FORTUNET diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 2f7e254912f..ab71f172eb7 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o obj-$(CONFIG_MTD_CSTM_MIPS_IXX) += cstm_mips_ixx.o obj-$(CONFIG_MTD_DC21285) += dc21285.o obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o -obj-$(CONFIG_MTD_EPXA10DB) += epxa10db-flash.o obj-$(CONFIG_MTD_IQ80310) += iq80310.o obj-$(CONFIG_MTD_L440GX) += l440gx.o obj-$(CONFIG_MTD_AMD76XROM) += amd76xrom.o diff --git a/drivers/mtd/maps/epxa10db-flash.c b/drivers/mtd/maps/epxa10db-flash.c deleted file mode 100644 index 265b079fe93..00000000000 --- a/drivers/mtd/maps/epxa10db-flash.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Flash memory access on EPXA based devices - * - * (C) 2000 Nicolas Pitre <nico@cam.org> - * Copyright (C) 2001 Altera Corporation - * Copyright (C) 2001 Red Hat, Inc. - * - * $Id: epxa10db-flash.c,v 1.15 2005/11/07 11:14:27 gleixner Exp $ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <asm/hardware.h> - -#ifdef CONFIG_EPXA10DB -#define BOARD_NAME "EPXA10DB" -#else -#define BOARD_NAME "EPXA1DB" -#endif - -static int nr_parts = 0; -static struct mtd_partition *parts; - -static struct mtd_info *mymtd; - -static int epxa_default_partitions(struct mtd_info *master, struct mtd_partition **pparts); - - -static struct map_info epxa_map = { - .name = "EPXA flash", - .size = FLASH_SIZE, - .bankwidth = 2, - .phys = FLASH_START, -}; - -static const char *probes[] = { "RedBoot", "afs", NULL }; - -static int __init epxa_mtd_init(void) -{ - int i; - - printk(KERN_NOTICE "%s flash device: 0x%x at 0x%x\n", BOARD_NAME, FLASH_SIZE, FLASH_START); - - epxa_map.virt = ioremap(FLASH_START, FLASH_SIZE); - if (!epxa_map.virt) { - printk("Failed to ioremap %s flash\n",BOARD_NAME); - return -EIO; - } - simple_map_init(&epxa_map); - - mymtd = do_map_probe("cfi_probe", &epxa_map); - if (!mymtd) { - iounmap((void *)epxa_map.virt); - return -ENXIO; - } - - mymtd->owner = THIS_MODULE; - - /* Unlock the flash device. */ - if(mymtd->unlock){ - for (i=0; i<mymtd->numeraseregions;i++){ - int j; - for(j=0;j<mymtd->eraseregions[i].numblocks;j++){ - mymtd->unlock(mymtd,mymtd->eraseregions[i].offset + j * mymtd->eraseregions[i].erasesize,mymtd->eraseregions[i].erasesize); - } - } - } - -#ifdef CONFIG_MTD_PARTITIONS - nr_parts = parse_mtd_partitions(mymtd, probes, &parts, 0); - - if (nr_parts > 0) { - add_mtd_partitions(mymtd, parts, nr_parts); - return 0; - } -#endif - /* No recognised partitioning schemes found - use defaults */ - nr_parts = epxa_default_partitions(mymtd, &parts); - if (nr_parts > 0) { - add_mtd_partitions(mymtd, parts, nr_parts); - return 0; - } - - /* If all else fails... */ - add_mtd_device(mymtd); - return 0; -} - -static void __exit epxa_mtd_cleanup(void) -{ - if (mymtd) { - if (nr_parts) - del_mtd_partitions(mymtd); - else - del_mtd_device(mymtd); - map_destroy(mymtd); - } - if (epxa_map.virt) { - iounmap((void *)epxa_map.virt); - epxa_map.virt = 0; - } -} - - -/* - * This will do for now, once we decide which bootldr we're finally - * going to use then we'll remove this function and do it properly - * - * Partions are currently (as offsets from base of flash): - * 0x00000000 - 0x003FFFFF - bootloader (!) - * 0x00400000 - 0x00FFFFFF - Flashdisk - */ - -static int __init epxa_default_partitions(struct mtd_info *master, struct mtd_partition **pparts) -{ - struct mtd_partition *parts; - int ret, i; - int npartitions = 0; - char *names; - const char *name = "jffs"; - - printk("Using default partitions for %s\n",BOARD_NAME); - npartitions=1; - parts = kmalloc(npartitions*sizeof(*parts)+strlen(name), GFP_KERNEL); - memzero(parts,npartitions*sizeof(*parts)+strlen(name)); - if (!parts) { - ret = -ENOMEM; - goto out; - } - i=0; - names = (char *)&parts[npartitions]; - parts[i].name = names; - names += strlen(name) + 1; - strcpy(parts[i].name, name); - -#ifdef CONFIG_EPXA10DB - parts[i].size = FLASH_SIZE-0x00400000; - parts[i].offset = 0x00400000; -#else - parts[i].size = FLASH_SIZE-0x00180000; - parts[i].offset = 0x00180000; -#endif - - out: - *pparts = parts; - return npartitions; -} - - -module_init(epxa_mtd_init); -module_exit(epxa_mtd_cleanup); - -MODULE_AUTHOR("Clive Davies"); -MODULE_DESCRIPTION("Altera epxa mtd flash map"); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 733bc25b2bf..4959800a18d 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -27,6 +27,19 @@ config NETDEVICES # that for each of the symbols. if NETDEVICES +config IFB + tristate "Intermediate Functional Block support" + depends on NET_CLS_ACT + ---help--- + This is an intermidiate driver that allows sharing of + resources. + To compile this driver as a module, choose M here: the module + will be called ifb. If you want to use more than one ifb + device at a time, you need to compile this driver as a module. + Instead of 'ifb', the devices will then be called 'ifb0', + 'ifb1' etc. + Look at the iproute2 documentation directory for usage etc + config DUMMY tristate "Dummy net driver support" ---help--- diff --git a/drivers/net/Makefile b/drivers/net/Makefile index b74a7cb5bae..00e72b12fb9 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -125,6 +125,7 @@ ifeq ($(CONFIG_SLIP_COMPRESSED),y) endif obj-$(CONFIG_DUMMY) += dummy.o +obj-$(CONFIG_IFB) += ifb.o obj-$(CONFIG_DE600) += de600.o obj-$(CONFIG_DE620) += de620.o obj-$(CONFIG_LANCE) += lance.o diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig index 470364deded..625184b65e3 100644 --- a/drivers/net/arm/Kconfig +++ b/drivers/net/arm/Kconfig @@ -31,16 +31,3 @@ config ARM_ETHERH help If you have an Acorn system with one of these network cards, you should say Y to this option if you wish to use it with Linux. - -config ARM_ETHER00 - tristate "Altera Ether00 support" - depends on NET_ETHERNET && ARM && ARCH_CAMELOT - help - This is the driver for Altera's ether00 ethernet mac IP core. Say - Y here if you want to build support for this into the kernel. It - is also available as a module (say M here) that can be inserted/ - removed from the kernel at the same time as the PLD is configured. - If this driver is running on an epxa10 development board then it - will generate a suitable hw address based on the board serial - number (MTD support is required for this). Otherwise you will - need to set a suitable hw address using ifconfig. diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile index b0d706834d8..bc263edf06a 100644 --- a/drivers/net/arm/Makefile +++ b/drivers/net/arm/Makefile @@ -4,7 +4,6 @@ # obj-$(CONFIG_ARM_AM79C961A) += am79c961a.o -obj-$(CONFIG_ARM_ETHER00) += ether00.o obj-$(CONFIG_ARM_ETHERH) += etherh.o obj-$(CONFIG_ARM_ETHER3) += ether3.o obj-$(CONFIG_ARM_ETHER1) += ether1.o diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index 877891a29aa..53e3afc1b7b 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -668,9 +668,8 @@ static void __init am79c961_banner(void) printk(KERN_INFO "%s", version); } -static int __init am79c961_probe(struct device *_dev) +static int __init am79c961_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(_dev); struct resource *res; struct net_device *dev; struct dev_priv *priv; @@ -758,15 +757,16 @@ out: return ret; } -static struct device_driver am79c961_driver = { - .name = "am79c961", - .bus = &platform_bus_type, +static struct platform_driver am79c961_driver = { .probe = am79c961_probe, + .driver = { + .name = "am79c961", + }, }; static int __init am79c961_init(void) { - return driver_register(&am79c961_driver); + return platform_driver_register(&am79c961_driver); } __initcall(am79c961_init); diff --git a/drivers/net/arm/ether00.c b/drivers/net/arm/ether00.c deleted file mode 100644 index 4f1f4e31bda..00000000000 --- a/drivers/net/arm/ether00.c +++ /dev/null @@ -1,1017 +0,0 @@ -/* - * drivers/net/ether00.c - * - * Copyright (C) 2001 Altera Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* includes */ -#include <linux/config.h> -#include <linux/pci.h> -#include <linux/sched.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/tqueue.h> -#include <linux/mtd/mtd.h> -#include <linux/pld/pld_hotswap.h> -#include <asm/arch/excalibur.h> -#include <asm/arch/hardware.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/sizes.h> - -#include <asm/arch/ether00.h> -#include <asm/arch/tdkphy.h> - - -MODULE_AUTHOR("Clive Davies"); -MODULE_DESCRIPTION("Altera Ether00 IP core driver"); -MODULE_LICENSE("GPL"); - -#define PKT_BUF_SZ 1540 /* Size of each rx buffer */ -#define ETH_NR 4 /* Number of MACs this driver supports */ - -#define DEBUG(x) - -#define __dma_va(x) (unsigned int)((unsigned int)priv->dma_data+(((unsigned int)(x))&(EXC_SPSRAM_BLOCK0_SIZE-1))) -#define __dma_pa(x) (unsigned int)(EXC_SPSRAM_BLOCK0_BASE+(((unsigned int)(x))-(unsigned int)priv->dma_data)) - -#define ETHER00_BASE 0 -#define ETHER00_TYPE -#define ETHER00_NAME "ether00" -#define MAC_REG_SIZE 0x400 /* size of MAC register area */ - - - -/* typedefs */ - -/* The definition of the driver control structure */ - -#define RX_NUM_BUFF 10 -#define RX_NUM_FDESC 10 -#define TX_NUM_FDESC 10 - -struct tx_fda_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct rx_fda_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct rx_blist_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct net_priv -{ - struct net_device_stats stats; - struct sk_buff* skb; - void* dma_data; - struct rx_blist_ent* rx_blist_vp; - struct rx_fda_ent* rx_fda_ptr; - struct tx_fda_ent* tx_fdalist_vp; - struct tq_struct tq_memupdate; - unsigned char memupdate_scheduled; - unsigned char rx_disabled; - unsigned char queue_stopped; - spinlock_t rx_lock; -}; - -static const char vendor_id[2]={0x07,0xed}; - -#ifdef ETHER00_DEBUG - -/* Dump (most) registers for debugging puposes */ - -static void dump_regs(struct net_device *dev){ - struct net_priv* priv=dev->priv; - unsigned int* i; - - printk("\n RX free descriptor area:\n"); - - for(i=(unsigned int*)priv->rx_fda_ptr; - i<((unsigned int*)(priv->rx_fda_ptr+RX_NUM_FDESC));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\n RX buffer list:\n"); - - for(i=(unsigned int*)priv->rx_blist_vp; - i<((unsigned int*)(priv->rx_blist_vp+RX_NUM_BUFF));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\n TX frame descriptor list:\n"); - - for(i=(unsigned int*)priv->tx_fdalist_vp; - i<((unsigned int*)(priv->tx_fdalist_vp+TX_NUM_FDESC));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\ndma ctl=%#x\n",readw(ETHER_DMA_CTL(dev->base_addr))); - printk("txfrmptr=%#x\n",readw(ETHER_TXFRMPTR(dev->base_addr))); - printk("txthrsh=%#x\n",readw(ETHER_TXTHRSH(dev->base_addr))); - printk("txpollctr=%#x\n",readw(ETHER_TXPOLLCTR(dev->base_addr))); - printk("blfrmptr=%#x\n",readw(ETHER_BLFRMPTR(dev->base_addr))); - printk("rxfragsize=%#x\n",readw(ETHER_RXFRAGSIZE(dev->base_addr))); - printk("tx_int_en=%#x\n",readw(ETHER_INT_EN(dev->base_addr))); - printk("fda_bas=%#x\n",readw(ETHER_FDA_BAS(dev->base_addr))); - printk("fda_lim=%#x\n",readw(ETHER_FDA_LIM(dev->base_addr))); - printk("int_src=%#x\n",readw(ETHER_INT_SRC(dev->base_addr))); - printk("pausecnt=%#x\n",readw(ETHER_PAUSECNT(dev->base_addr))); - printk("rempaucnt=%#x\n",readw(ETHER_REMPAUCNT(dev->base_addr))); - printk("txconfrmstat=%#x\n",readw(ETHER_TXCONFRMSTAT(dev->base_addr))); - printk("mac_ctl=%#x\n",readw(ETHER_MAC_CTL(dev->base_addr))); - printk("arc_ctl=%#x\n",readw(ETHER_ARC_CTL(dev->base_addr))); - printk("tx_ctl=%#x\n",readw(ETHER_TX_CTL(dev->base_addr))); -} -#endif /* ETHER00_DEBUG */ - - -static int ether00_write_phy(struct net_device *dev, short address, short value) -{ - volatile int count = 1024; - writew(value,ETHER_MD_DATA(dev->base_addr)); - writew( ETHER_MD_CA_BUSY_MSK | - ETHER_MD_CA_WR_MSK | - (address & ETHER_MD_CA_ADDR_MSK), - ETHER_MD_CA(dev->base_addr)); - - /* Wait for the command to complete */ - while((readw(ETHER_MD_CA(dev->base_addr)) & ETHER_MD_CA_BUSY_MSK)&&count){ - count--; - } - if (!count){ - printk("Write to phy failed, addr=%#x, data=%#x\n",address, value); - return -EIO; - } - return 0; -} - -static int ether00_read_phy(struct net_device *dev, short address) -{ - volatile int count = 1024; - writew( ETHER_MD_CA_BUSY_MSK | - (address & ETHER_MD_CA_ADDR_MSK), - ETHER_MD_CA(dev->base_addr)); - - /* Wait for the command to complete */ - while((readw(ETHER_MD_CA(dev->base_addr)) & ETHER_MD_CA_BUSY_MSK)&&count){ - count--; - } - if (!count){ - printk(KERN_WARNING "Read from phy timed out\n"); - return -EIO; - } - return readw(ETHER_MD_DATA(dev->base_addr)); -} - -static void ether00_phy_int(int irq_num, void* dev_id, struct pt_regs* regs) -{ - struct net_device* dev=dev_id; - int irq_status; - - irq_status=ether00_read_phy(dev, PHY_IRQ_CONTROL); - - if(irq_status & PHY_IRQ_CONTROL_ANEG_COMP_INT_MSK){ - /* - * Autonegotiation complete on epxa10db. The mac doesn't - * twig if we're in full duplex so we need to check the - * phy status register and configure the mac accordingly - */ - if(ether00_read_phy(dev, PHY_STATUS)&(PHY_STATUS_10T_F_MSK|PHY_STATUS_100_X_F_MSK)){ - int tmp; - tmp=readl(ETHER_MAC_CTL(dev->base_addr)); - writel(tmp|ETHER_MAC_CTL_FULLDUP_MSK,ETHER_MAC_CTL(dev->base_addr)); - } - } - - if(irq_status&PHY_IRQ_CONTROL_LS_CHG_INT_MSK){ - - if(ether00_read_phy(dev, PHY_STATUS)& PHY_STATUS_LINK_MSK){ - /* Link is up */ - netif_carrier_on(dev); - //printk("Carrier on\n"); - }else{ - netif_carrier_off(dev); - //printk("Carrier off\n"); - - } - } - -} - -static void setup_blist_entry(struct sk_buff* skb,struct rx_blist_ent* blist_ent_ptr){ - /* Make the buffer consistent with the cache as the mac is going to write - * directly into it*/ - blist_ent_ptr->fd.FDSystem=(unsigned int)skb; - blist_ent_ptr->bd.BuffData=(char*)__pa(skb->data); - consistent_sync(skb->data,PKT_BUF_SZ,PCI_DMA_FROMDEVICE); - /* align IP on 16 Byte (DMA_CTL set to skip 2 bytes) */ - skb_reserve(skb,2); - blist_ent_ptr->bd.BuffLength=PKT_BUF_SZ-2; - blist_ent_ptr->fd.FDLength=1; - blist_ent_ptr->fd.FDCtl=FDCTL_COWNSFD_MSK; - blist_ent_ptr->bd.BDCtl=BDCTL_COWNSBD_MSK; -} - - -static int ether00_mem_init(struct net_device* dev) -{ - struct net_priv* priv=dev->priv; - struct tx_fda_ent *tx_fd_ptr,*tx_end_ptr; - struct rx_blist_ent* blist_ent_ptr; - int i; - - /* - * Grab a block of on chip SRAM to contain the control stuctures for - * the ethernet MAC. This uncached becuase it needs to be accesses by both - * bus masters (cpu + mac). However, it shouldn't matter too much in terms - * of speed as its on chip memory - */ - priv->dma_data=ioremap_nocache(EXC_SPSRAM_BLOCK0_BASE,EXC_SPSRAM_BLOCK0_SIZE ); - if (!priv->dma_data) - return -ENOMEM; - - priv->rx_fda_ptr=(struct rx_fda_ent*)priv->dma_data; - /* - * Now share it out amongst the Frame descriptors and the buffer list - */ - priv->rx_blist_vp=(struct rx_blist_ent*)((unsigned int)priv->dma_data+RX_NUM_FDESC*sizeof(struct rx_fda_ent)); - - /* - *Initalise the FDA list - */ - /* set ownership to the controller */ - memset(priv->rx_fda_ptr,0x80,RX_NUM_FDESC*sizeof(struct rx_fda_ent)); - - /* - *Initialise the buffer list - */ - blist_ent_ptr=priv->rx_blist_vp; - i=0; - while(blist_ent_ptr<(priv->rx_blist_vp+RX_NUM_BUFF)){ - struct sk_buff *skb; - blist_ent_ptr->fd.FDLength=1; - skb=dev_alloc_skb(PKT_BUF_SZ); - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - blist_ent_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(blist_ent_ptr+1); - blist_ent_ptr->bd.BDStat=i++; - blist_ent_ptr++; - } - else - { - printk("Failed to initalise buffer list\n"); - } - - } - blist_ent_ptr--; - blist_ent_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(priv->rx_blist_vp); - - priv->tx_fdalist_vp=(struct tx_fda_ent*)(priv->rx_blist_vp+RX_NUM_BUFF); - - /* Initialise the buffers to be a circular list. The mac will then go poll - * the list until it finds a frame ready to transmit */ - tx_end_ptr=priv->tx_fdalist_vp+TX_NUM_FDESC; - for(tx_fd_ptr=priv->tx_fdalist_vp;tx_fd_ptr<tx_end_ptr;tx_fd_ptr++){ - tx_fd_ptr->fd.FDNext=(FDA_DESC*)__dma_pa((tx_fd_ptr+1)); - tx_fd_ptr->fd.FDCtl=1; - tx_fd_ptr->fd.FDStat=0; - tx_fd_ptr->fd.FDLength=1; - - } - /* Change the last FDNext pointer to make a circular list */ - tx_fd_ptr--; - tx_fd_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(priv->tx_fdalist_vp); - - /* Point the device at the chain of Rx and Tx Buffers */ - writel((unsigned int)__dma_pa(priv->rx_fda_ptr),ETHER_FDA_BAS(dev->base_addr)); - writel((RX_NUM_FDESC-1)*sizeof(struct rx_fda_ent),ETHER_FDA_LIM(dev->base_addr)); - writel((unsigned int)__dma_pa(priv->rx_blist_vp),ETHER_BLFRMPTR(dev->base_addr)); - - writel((unsigned int)__dma_pa(priv->tx_fdalist_vp),ETHER_TXFRMPTR(dev->base_addr)); - - return 0; -} - - -void ether00_mem_update(void* dev_id) -{ - struct net_device* dev=dev_id; - struct net_priv* priv=dev->priv; - struct sk_buff* skb; - struct tx_fda_ent *fda_ptr=priv->tx_fdalist_vp; - struct rx_blist_ent* blist_ent_ptr; - unsigned long flags; - - priv->tq_memupdate.sync=0; - //priv->tq_memupdate.list= - priv->memupdate_scheduled=0; - - /* Transmit interrupt */ - while(fda_ptr<(priv->tx_fdalist_vp+TX_NUM_FDESC)){ - if(!(FDCTL_COWNSFD_MSK&fda_ptr->fd.FDCtl) && (ETHER_TX_STAT_COMP_MSK&fda_ptr->fd.FDStat)){ - priv->stats.tx_packets++; - priv->stats.tx_bytes+=fda_ptr->bd.BuffLength; - skb=(struct sk_buff*)fda_ptr->fd.FDSystem; - //printk("%d:txcln:fda=%#x skb=%#x\n",jiffies,fda_ptr,skb); - dev_kfree_skb(skb); - fda_ptr->fd.FDSystem=0; - fda_ptr->fd.FDStat=0; - fda_ptr->fd.FDCtl=0; - } - fda_ptr++; - } - /* Fill in any missing buffers from the received queue */ - spin_lock_irqsave(&priv->rx_lock,flags); - blist_ent_ptr=priv->rx_blist_vp; - while(blist_ent_ptr<(priv->rx_blist_vp+RX_NUM_BUFF)){ - /* fd.FDSystem of 0 indicates we failed to allocate the buffer in the ISR */ - if(!blist_ent_ptr->fd.FDSystem){ - struct sk_buff *skb; - skb=dev_alloc_skb(PKT_BUF_SZ); - blist_ent_ptr->fd.FDSystem=(unsigned int)skb; - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - } - else - { - break; - } - } - blist_ent_ptr++; - } - spin_unlock_irqrestore(&priv->rx_lock,flags); - if(priv->queue_stopped){ - //printk("%d:cln:start q\n",jiffies); - netif_start_queue(dev); - } - if(priv->rx_disabled){ - //printk("%d:enable_irq\n",jiffies); - priv->rx_disabled=0; - writel(ETHER_RX_CTL_RXEN_MSK,ETHER_RX_CTL(dev->base_addr)); - - } -} - - -static void ether00_int( int irq_num, void* dev_id, struct pt_regs* regs) -{ - struct net_device* dev=dev_id; - struct net_priv* priv=dev->priv; - - unsigned int interruptValue; - - interruptValue=readl(ETHER_INT_SRC(dev->base_addr)); - - //printk("INT_SRC=%x\n",interruptValue); - - if(!(readl(ETHER_INT_SRC(dev->base_addr)) & ETHER_INT_SRC_IRQ_MSK)) - { - return; /* Interrupt wasn't caused by us!! */ - } - - if(readl(ETHER_INT_SRC(dev->base_addr))& - (ETHER_INT_SRC_INTMACRX_MSK | - ETHER_INT_SRC_FDAEX_MSK | - ETHER_INT_SRC_BLEX_MSK)) { - struct rx_blist_ent* blist_ent_ptr; - struct rx_fda_ent* fda_ent_ptr; - struct sk_buff* skb; - - fda_ent_ptr=priv->rx_fda_ptr; - spin_lock(&priv->rx_lock); - while(fda_ent_ptr<(priv->rx_fda_ptr+RX_NUM_FDESC)){ - int result; - - if(!(fda_ent_ptr->fd.FDCtl&FDCTL_COWNSFD_MSK)) - { - /* This frame is ready for processing */ - /*find the corresponding buffer in the bufferlist */ - blist_ent_ptr=priv->rx_blist_vp+fda_ent_ptr->bd.BDStat; - skb=(struct sk_buff*)blist_ent_ptr->fd.FDSystem; - - /* Pass this skb up the stack */ - skb->dev=dev; - skb_put(skb,fda_ent_ptr->fd.FDLength); - skb->protocol=eth_type_trans(skb,dev); - skb->ip_summed=CHECKSUM_UNNECESSARY; - result=netif_rx(skb); - /* Update statistics */ - priv->stats.rx_packets++; - priv->stats.rx_bytes+=fda_ent_ptr->fd.FDLength; - - /* Free the FDA entry */ - fda_ent_ptr->bd.BDStat=0xff; - fda_ent_ptr->fd.FDCtl=FDCTL_COWNSFD_MSK; - - /* Allocate a new skb and point the bd entry to it */ - blist_ent_ptr->fd.FDSystem=0; - skb=dev_alloc_skb(PKT_BUF_SZ); - //printk("allocskb=%#x\n",skb); - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - - } - else if(!priv->memupdate_scheduled){ - int tmp; - /* There are no buffers at the moment, so schedule */ - /* the background task to sort this out */ - schedule_task(&priv->tq_memupdate); - priv->memupdate_scheduled=1; - printk(KERN_DEBUG "%s:No buffers",dev->name); - /* If this interrupt was due to a lack of buffers then - * we'd better stop the receiver too */ - if(interruptValueÐER_INT_SRC_BLEX_MSK){ - priv->rx_disabled=1; - tmp=readl(ETHER_INT_SRC(dev->base_addr)); - writel(tmp&~ETHER_RX_CTL_RXEN_MSK,ETHER_RX_CTL(dev->base_addr)); - printk(KERN_DEBUG "%s:Halting rx",dev->name); - } - - } - - } - fda_ent_ptr++; - } - spin_unlock(&priv->rx_lock); - - /* Clear the interrupts */ - writel(ETHER_INT_SRC_INTMACRX_MSK | ETHER_INT_SRC_FDAEX_MSK - | ETHER_INT_SRC_BLEX_MSK,ETHER_INT_SRC(dev->base_addr)); - - } - - if(readl(ETHER_INT_SRC(dev->base_addr))ÐER_INT_SRC_INTMACTX_MSK){ - - if(!priv->memupdate_scheduled){ - schedule_task(&priv->tq_memupdate); - priv->memupdate_scheduled=1; - } - /* Clear the interrupt */ - writel(ETHER_INT_SRC_INTMACTX_MSK,ETHER_INT_SRC(dev->base_addr)); - } - - if (readl(ETHER_INT_SRC(dev->base_addr)) & (ETHER_INT_SRC_SWINT_MSK| - ETHER_INT_SRC_INTEARNOT_MSK| - ETHER_INT_SRC_INTLINK_MSK| - ETHER_INT_SRC_INTEXBD_MSK| - ETHER_INT_SRC_INTTXCTLCMP_MSK)) - { - /* - * Not using any of these so they shouldn't happen - * - * In the cased of INTEXBD - if you allocate more - * than 28 decsriptors you may need to think about this - */ - printk("Not using this interrupt\n"); - } - - if (readl(ETHER_INT_SRC(dev->base_addr)) & - (ETHER_INT_SRC_INTSBUS_MSK | - ETHER_INT_SRC_INTNRABT_MSK - |ETHER_INT_SRC_DMPARERR_MSK)) - { - /* - * Hardware errors, we can either ignore them and hope they go away - *or reset the device, I'll try the first for now to see if they happen - */ - printk("Hardware error\n"); - } -} - -static void ether00_setup_ethernet_address(struct net_device* dev) -{ - int tmp; - - dev->addr_len=6; - writew(0,ETHER_ARC_ADR(dev->base_addr)); - writel((dev->dev_addr[0]<<24) | - (dev->dev_addr[1]<<16) | - (dev->dev_addr[2]<<8) | - dev->dev_addr[3], - ETHER_ARC_DATA(dev->base_addr)); - - writew(4,ETHER_ARC_ADR(dev->base_addr)); - tmp=readl(ETHER_ARC_DATA(dev->base_addr)); - tmp&=0xffff; - tmp|=(dev->dev_addr[4]<<24) | (dev->dev_addr[5]<<16); - writel(tmp, ETHER_ARC_DATA(dev->base_addr)); - /* Enable this entry in the ARC */ - - writel(1,ETHER_ARC_ENA(dev->base_addr)); - - return; -} - - -static void ether00_reset(struct net_device *dev) -{ - /* reset the controller */ - writew(ETHER_MAC_CTL_RESET_MSK,ETHER_MAC_CTL(dev->base_addr)); - - /* - * Make sure we're not going to send anything - */ - - writew(ETHER_TX_CTL_TXHALT_MSK,ETHER_TX_CTL(dev->base_addr)); - - /* - * Make sure we're not going to receive anything - */ - writew(ETHER_RX_CTL_RXHALT_MSK,ETHER_RX_CTL(dev->base_addr)); - - /* - * Disable Interrupts for now, and set the burst size to 8 bytes - */ - - writel(ETHER_DMA_CTL_INTMASK_MSK | - ((8 << ETHER_DMA_CTL_DMBURST_OFST) & ETHER_DMA_CTL_DMBURST_MSK) - |(2<<ETHER_DMA_CTL_RXALIGN_OFST), - ETHER_DMA_CTL(dev->base_addr)); - - - /* - * Set TxThrsh - start transmitting a packet after 1514 - * bytes or when a packet is complete, whichever comes first - */ - writew(1514,ETHER_TXTHRSH(dev->base_addr)); - - /* - * Set TxPollCtr. Each cycle is - * 61.44 microseconds with a 33 MHz bus - */ - writew(1,ETHER_TXPOLLCTR(dev->base_addr)); - - /* - * Set Rx_Ctl - Turn off reception and let RxData turn it - * on later - */ - writew(ETHER_RX_CTL_RXHALT_MSK,ETHER_RX_CTL(dev->base_addr)); - -} - - -static void ether00_set_multicast(struct net_device* dev) -{ - int count=dev->mc_count; - - /* Set promiscuous mode if it's asked for. */ - - if (dev->flags&IFF_PROMISC){ - - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_BROADACC_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_STATIONACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - - /* - * Get all multicast packets if required, or if there are too - * many addresses to fit in hardware - */ - if (dev->flags & IFF_ALLMULTI){ - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_BROADACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - if (dev->mc_count > (ETHER_ARC_SIZE - 1)){ - - printk(KERN_WARNING "Too many multicast addresses for hardware to filter - receiving all multicast packets\n"); - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_BROADACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - - if(dev->mc_count){ - struct dev_mc_list *mc_list_ent=dev->mc_list; - unsigned int temp,i; - DEBUG(printk("mc_count=%d mc_list=%#x\n",dev-> mc_count, dev->mc_list)); - DEBUG(printk("mc addr=%02#x%02x%02x%02x%02x%02x\n", - mc_list_ent->dmi_addr[5], - mc_list_ent->dmi_addr[4], - mc_list_ent->dmi_addr[3], - mc_list_ent->dmi_addr[2], - mc_list_ent->dmi_addr[1], - mc_list_ent->dmi_addr[0]);) - - /* - * The first 6 bytes are the MAC address, so - * don't change them! - */ - writew(4,ETHER_ARC_ADR(dev->base_addr)); - temp=readl(ETHER_ARC_DATA(dev->base_addr)); - temp&=0xffff0000; - - /* Disable the current multicast stuff */ - writel(1,ETHER_ARC_ENA(dev->base_addr)); - - for(;;){ - temp|=mc_list_ent->dmi_addr[1] | - mc_list_ent->dmi_addr[0]<<8; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writew(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[5]| - mc_list_ent->dmi_addr[4]<<8 | - mc_list_ent->dmi_addr[3]<<16 | - mc_list_ent->dmi_addr[2]<<24; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - count--; - if(!mc_list_ent->next || !count){ - break; - } - DEBUG(printk("mc_list_next=%#x\n",mc_list_ent->next);) - mc_list_ent=mc_list_ent->next; - - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writel(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[3]| - mc_list_ent->dmi_addr[2]<<8 | - mc_list_ent->dmi_addr[1]<<16 | - mc_list_ent->dmi_addr[0]<<24; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writel(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[4]<<16 | - mc_list_ent->dmi_addr[5]<<24; - - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - count--; - if(!mc_list_ent->next || !count){ - break; - } - mc_list_ent=mc_list_ent->next; - } - - - if(count) - printk(KERN_WARNING "Multicast list size error\n"); - - - writew( ETHER_ARC_CTL_BROADACC_MSK| - ETHER_ARC_CTL_COMPEN_MSK, - ETHER_ARC_CTL(dev->base_addr)); - - } - - /* enable the active ARC enties */ - writew((1<<(count+2))-1,ETHER_ARC_ENA(dev->base_addr)); -} - - -static int ether00_open(struct net_device* dev) -{ - int result,tmp; - struct net_priv* priv; - - if (!is_valid_ether_addr(dev->dev_addr)) - return -EINVAL; - - /* Install interrupt handlers */ - result=request_irq(dev->irq,ether00_int,0,"ether00",dev); - if(result) - goto open_err1; - - result=request_irq(2,ether00_phy_int,0,"ether00_phy",dev); - if(result) - goto open_err2; - - ether00_reset(dev); - result=ether00_mem_init(dev); - if(result) - goto open_err3; - - - ether00_setup_ethernet_address(dev); - - ether00_set_multicast(dev); - - result=ether00_write_phy(dev,PHY_CONTROL, PHY_CONTROL_ANEGEN_MSK | PHY_CONTROL_RANEG_MSK); - if(result) - goto open_err4; - result=ether00_write_phy(dev,PHY_IRQ_CONTROL, PHY_IRQ_CONTROL_LS_CHG_IE_MSK | - PHY_IRQ_CONTROL_ANEG_COMP_IE_MSK); - if(result) - goto open_err4; - - /* Start the device enable interrupts */ - writew(ETHER_RX_CTL_RXEN_MSK -// | ETHER_RX_CTL_STRIPCRC_MSK - | ETHER_RX_CTL_ENGOOD_MSK - | ETHER_RX_CTL_ENRXPAR_MSK| ETHER_RX_CTL_ENLONGERR_MSK - | ETHER_RX_CTL_ENOVER_MSK| ETHER_RX_CTL_ENCRCERR_MSK, - ETHER_RX_CTL(dev->base_addr)); - - writew(ETHER_TX_CTL_TXEN_MSK| - ETHER_TX_CTL_ENEXDEFER_MSK| - ETHER_TX_CTL_ENLCARR_MSK| - ETHER_TX_CTL_ENEXCOLL_MSK| - ETHER_TX_CTL_ENLATECOLL_MSK| - ETHER_TX_CTL_ENTXPAR_MSK| - ETHER_TX_CTL_ENCOMP_MSK, - ETHER_TX_CTL(dev->base_addr)); - - tmp=readl(ETHER_DMA_CTL(dev->base_addr)); - writel(tmp&~ETHER_DMA_CTL_INTMASK_MSK,ETHER_DMA_CTL(dev->base_addr)); - - return 0; - - open_err4: - ether00_reset(dev); - open_err3: - free_irq(2,dev); - open_err2: - free_irq(dev->irq,dev); - open_err1: - return result; - -} - - -static int ether00_tx(struct sk_buff* skb, struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - struct tx_fda_ent *fda_ptr; - int i; - - - /* - * Find an empty slot in which to stick the frame - */ - fda_ptr=(struct tx_fda_ent*)__dma_va(readl(ETHER_TXFRMPTR(dev->base_addr))); - i=0; - while(i<TX_NUM_FDESC){ - if (fda_ptr->fd.FDStat||(fda_ptr->fd.FDCtl & FDCTL_COWNSFD_MSK)){ - fda_ptr =(struct tx_fda_ent*) __dma_va((struct tx_fda_ent*)fda_ptr->fd.FDNext); - } - else { - break; - } - i++; - } - - /* Write the skb data from the cache*/ - consistent_sync(skb->data,skb->len,PCI_DMA_TODEVICE); - fda_ptr->bd.BuffData=(char*)__pa(skb->data); - fda_ptr->bd.BuffLength=(unsigned short)skb->len; - /* Save the pointer to the skb for freeing later */ - fda_ptr->fd.FDSystem=(unsigned int)skb; - fda_ptr->fd.FDStat=0; - /* Pass ownership of the buffers to the controller */ - fda_ptr->fd.FDCtl=1; - fda_ptr->fd.FDCtl|=FDCTL_COWNSFD_MSK; - - /* If the next buffer in the list is full, stop the queue */ - fda_ptr=(struct tx_fda_ent*)__dma_va(fda_ptr->fd.FDNext); - if ((fda_ptr->fd.FDStat)||(fda_ptr->fd.FDCtl & FDCTL_COWNSFD_MSK)){ - netif_stop_queue(dev); - priv->queue_stopped=1; - } - - return 0; -} - -static struct net_device_stats *ether00_stats(struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - return &priv->stats; -} - - -static int ether00_stop(struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - int tmp; - - /* Stop/disable the device. */ - tmp=readw(ETHER_RX_CTL(dev->base_addr)); - tmp&=~(ETHER_RX_CTL_RXEN_MSK | ETHER_RX_CTL_ENGOOD_MSK); - tmp|=ETHER_RX_CTL_RXHALT_MSK; - writew(tmp,ETHER_RX_CTL(dev->base_addr)); - - tmp=readl(ETHER_TX_CTL(dev->base_addr)); - tmp&=~ETHER_TX_CTL_TXEN_MSK; - tmp|=ETHER_TX_CTL_TXHALT_MSK; - writel(tmp,ETHER_TX_CTL(dev->base_addr)); - - /* Free up system resources */ - free_irq(dev->irq,dev); - free_irq(2,dev); - iounmap(priv->dma_data); - - return 0; -} - - -static void ether00_get_ethernet_address(struct net_device* dev) -{ - struct mtd_info *mymtd=NULL; - int i; - size_t retlen; - - /* - * For the Epxa10 dev board (camelot), the ethernet MAC - * address is of the form 00:aa:aa:00:xx:xx where - * 00:aa:aa is the Altera vendor ID and xx:xx is the - * last 2 bytes of the board serial number, as programmed - * into the OTP area of the flash device on EBI1. If this - * isn't an expa10 dev board, or there's no mtd support to - * read the serial number from flash then we'll force the - * use to set their own mac address using ifconfig. - */ - -#ifdef CONFIG_ARCH_CAMELOT -#ifdef CONFIG_MTD - /* get the mtd_info structure for the first mtd device*/ - for(i=0;i<MAX_MTD_DEVICES;i++){ - mymtd=get_mtd_device(NULL,i); - if(!mymtd||!strcmp(mymtd->name,"EPXA10DB flash")) - break; - } - - if(!mymtd || !mymtd->read_user_prot_reg){ - printk(KERN_WARNING "%s: Failed to read MAC address from flash\n",dev->name); - }else{ - mymtd->read_user_prot_reg(mymtd,2,1,&retlen,&dev->dev_addr[5]); - mymtd->read_user_prot_reg(mymtd,3,1,&retlen,&dev->dev_addr[4]); - dev->dev_addr[3]=0; - dev->dev_addr[2]=vendor_id[1]; - dev->dev_addr[1]=vendor_id[0]; - dev->dev_addr[0]=0; - } -#else - printk(KERN_WARNING "%s: MTD support required to read MAC address from EPXA10 dev board\n", dev->name); -#endif -#endif - - if (!is_valid_ether_addr(dev->dev_addr)) - printk("%s: Invalid ethernet MAC address. Please set using " - "ifconfig\n", dev->name); - -} - -/* - * Keep a mapping of dev_info addresses -> port lines to use when - * removing ports dev==NULL indicates unused entry - */ - - -static struct net_device* dev_list[ETH_NR]; - -static int ether00_add_device(struct pldhs_dev_info* dev_info,void* dev_ps_data) -{ - struct net_device *dev; - struct net_priv *priv; - void *map_addr; - int result; - int i; - - i=0; - while(dev_list[i] && i < ETH_NR) - i++; - - if(i==ETH_NR){ - printk(KERN_WARNING "ether00: Maximum number of ports reached\n"); - return 0; - } - - - if (!request_mem_region(dev_info->base_addr, MAC_REG_SIZE, "ether00")) - return -EBUSY; - - dev = alloc_etherdev(sizeof(struct net_priv)); - if(!dev) { - result = -ENOMEM; - goto out_release; - } - priv = dev->priv; - - priv->tq_memupdate.routine=ether00_mem_update; - priv->tq_memupdate.data=(void*) dev; - - spin_lock_init(&priv->rx_lock); - - map_addr=ioremap_nocache(dev_info->base_addr,SZ_4K); - if(!map_addr){ - result = -ENOMEM; - out_kfree; - } - - dev->open=ether00_open; - dev->stop=ether00_stop; - dev->set_multicast_list=ether00_set_multicast; - dev->hard_start_xmit=ether00_tx; - dev->get_stats=ether00_stats; - - ether00_get_ethernet_address(dev); - - SET_MODULE_OWNER(dev); - - dev->base_addr=(unsigned int)map_addr; - dev->irq=dev_info->irq; - dev->features=NETIF_F_DYNALLOC | NETIF_F_HW_CSUM; - - result=register_netdev(dev); - if(result){ - printk("Ether00: Error %i registering driver\n",result); - goto out_unmap; - } - printk("registered ether00 device at %#x\n",dev_info->base_addr); - - dev_list[i]=dev; - - return result; - - out_unmap: - iounmap(map_addr); - out_kfree: - free_netdev(dev); - out_release: - release_mem_region(dev_info->base_addr, MAC_REG_SIZE); - return result; -} - - -static int ether00_remove_devices(void) -{ - int i; - - for(i=0;i<ETH_NR;i++){ - if(dev_list[i]){ - netif_device_detach(dev_list[i]); - unregister_netdev(dev_list[i]); - iounmap((void*)dev_list[i]->base_addr); - release_mem_region(dev_list[i]->base_addr, MAC_REG_SIZE); - free_netdev(dev_list[i]); - dev_list[i]=0; - } - } - return 0; -} - -static struct pld_hotswap_ops ether00_pldhs_ops={ - .name = ETHER00_NAME, - .add_device = ether00_add_device, - .remove_devices = ether00_remove_devices, -}; - - -static void __exit ether00_cleanup_module(void) -{ - int result; - result=ether00_remove_devices(); - if(result) - printk(KERN_WARNING "ether00: failed to remove all devices\n"); - - pldhs_unregister_driver(ETHER00_NAME); -} -module_exit(ether00_cleanup_module); - - -static int __init ether00_mod_init(void) -{ - printk("mod init\n"); - return pldhs_register_driver(ðer00_pldhs_ops); - -} - -module_init(ether00_mod_init); - diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c index 1cc53abc3a3..f1d5b1027ff 100644 --- a/drivers/net/arm/ether3.c +++ b/drivers/net/arm/ether3.c @@ -69,7 +69,6 @@ #include <asm/system.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> static char version[] __initdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n"; diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 942a2819576..6a93b666eb7 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -50,7 +50,6 @@ #include <asm/system.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> #include "../8390.h" diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 41b3d83c2ab..f4424cf886c 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -515,6 +515,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) count = kiss_esc(p, (unsigned char *)ax->xbuff, len); } } + spin_unlock_bh(&ax->buflock); set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags); actual = ax->tty->driver->write(ax->tty, ax->xbuff, count); @@ -524,7 +525,6 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) ax->dev->trans_start = jiffies; ax->xleft = count - actual; ax->xhead = ax->xbuff + actual; - spin_unlock_bh(&ax->buflock); } /* Encapsulate an AX.25 packet and kick it into a TTY queue. */ diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c index e92c17f6931..55c7ed60839 100644 --- a/drivers/net/hp100.c +++ b/drivers/net/hp100.c @@ -276,7 +276,7 @@ static void hp100_RegisterDump(struct net_device *dev); * Convert an address in a kernel buffer to a bus/phys/dma address. * This work *only* for memory fragments part of lp->page_vaddr, * because it was properly DMA allocated via pci_alloc_consistent(), - * so we just need to "retreive" the original mapping to bus/phys/dma + * so we just need to "retrieve" the original mapping to bus/phys/dma * address - Jean II */ static inline dma_addr_t virt_to_whatever(struct net_device *dev, u32 * ptr) { diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c new file mode 100644 index 00000000000..1b699259b4e --- /dev/null +++ b/drivers/net/ifb.c @@ -0,0 +1,294 @@ +/* drivers/net/ifb.c: + + The purpose of this driver is to provide a device that allows + for sharing of resources: + + 1) qdiscs/policies that are per device as opposed to system wide. + ifb allows for a device which can be redirected to thus providing + an impression of sharing. + + 2) Allows for queueing incoming traffic for shaping instead of + dropping. + + The original concept is based on what is known as the IMQ + driver initially written by Martin Devera, later rewritten + by Patrick McHardy and then maintained by Andre Correa. + + You need the tc action mirror or redirect to feed this device + packets. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version + 2 of the License, or (at your option) any later version. + + Authors: Jamal Hadi Salim (2005) + +*/ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <net/pkt_sched.h> + +#define TX_TIMEOUT (2*HZ) + +#define TX_Q_LIMIT 32 +struct ifb_private { + struct net_device_stats stats; + struct tasklet_struct ifb_tasklet; + int tasklet_pending; + /* mostly debug stats leave in for now */ + unsigned long st_task_enter; /* tasklet entered */ + unsigned long st_txq_refl_try; /* transmit queue refill attempt */ + unsigned long st_rxq_enter; /* receive queue entered */ + unsigned long st_rx2tx_tran; /* receive to trasmit transfers */ + unsigned long st_rxq_notenter; /*receiveQ not entered, resched */ + unsigned long st_rx_frm_egr; /* received from egress path */ + unsigned long st_rx_frm_ing; /* received from ingress path */ + unsigned long st_rxq_check; + unsigned long st_rxq_rsch; + struct sk_buff_head rq; + struct sk_buff_head tq; +}; + +static int numifbs = 1; + +static void ri_tasklet(unsigned long dev); +static int ifb_xmit(struct sk_buff *skb, struct net_device *dev); +static struct net_device_stats *ifb_get_stats(struct net_device *dev); +static int ifb_open(struct net_device *dev); +static int ifb_close(struct net_device *dev); + +static void ri_tasklet(unsigned long dev) +{ + + struct net_device *_dev = (struct net_device *)dev; + struct ifb_private *dp = netdev_priv(_dev); + struct net_device_stats *stats = &dp->stats; + struct sk_buff *skb; + + dp->st_task_enter++; + if ((skb = skb_peek(&dp->tq)) == NULL) { + dp->st_txq_refl_try++; + if (spin_trylock(&_dev->xmit_lock)) { + dp->st_rxq_enter++; + while ((skb = skb_dequeue(&dp->rq)) != NULL) { + skb_queue_tail(&dp->tq, skb); + dp->st_rx2tx_tran++; + } + spin_unlock(&_dev->xmit_lock); + } else { + /* reschedule */ + dp->st_rxq_notenter++; + goto resched; + } + } + + while ((skb = skb_dequeue(&dp->tq)) != NULL) { + u32 from = G_TC_FROM(skb->tc_verd); + + skb->tc_verd = 0; + skb->tc_verd = SET_TC_NCLS(skb->tc_verd); + stats->tx_packets++; + stats->tx_bytes +=skb->len; + if (from & AT_EGRESS) { + dp->st_rx_frm_egr++; + dev_queue_xmit(skb); + } else if (from & AT_INGRESS) { + + dp->st_rx_frm_ing++; + netif_rx(skb); + } else { + dev_kfree_skb(skb); + stats->tx_dropped++; + } + } + + if (spin_trylock(&_dev->xmit_lock)) { + dp->st_rxq_check++; + if ((skb = skb_peek(&dp->rq)) == NULL) { + dp->tasklet_pending = 0; + if (netif_queue_stopped(_dev)) + netif_wake_queue(_dev); + } else { + dp->st_rxq_rsch++; + spin_unlock(&_dev->xmit_lock); + goto resched; + } + spin_unlock(&_dev->xmit_lock); + } else { +resched: + dp->tasklet_pending = 1; + tasklet_schedule(&dp->ifb_tasklet); + } + +} + +static void __init ifb_setup(struct net_device *dev) +{ + /* Initialize the device structure. */ + dev->get_stats = ifb_get_stats; + dev->hard_start_xmit = ifb_xmit; + dev->open = &ifb_open; + dev->stop = &ifb_close; + + /* Fill in device structure with ethernet-generic values. */ + ether_setup(dev); + dev->tx_queue_len = TX_Q_LIMIT; + dev->change_mtu = NULL; + dev->flags |= IFF_NOARP; + dev->flags &= ~IFF_MULTICAST; + SET_MODULE_OWNER(dev); + random_ether_addr(dev->dev_addr); +} + +static int ifb_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + struct net_device_stats *stats = &dp->stats; + int ret = 0; + u32 from = G_TC_FROM(skb->tc_verd); + + stats->tx_packets++; + stats->tx_bytes+=skb->len; + + if (!from || !skb->input_dev) { +dropped: + dev_kfree_skb(skb); + stats->rx_dropped++; + return ret; + } else { + /* + * note we could be going + * ingress -> egress or + * egress -> ingress + */ + skb->dev = skb->input_dev; + skb->input_dev = dev; + if (from & AT_INGRESS) { + skb_pull(skb, skb->dev->hard_header_len); + } else { + if (!(from & AT_EGRESS)) { + goto dropped; + } + } + } + + if (skb_queue_len(&dp->rq) >= dev->tx_queue_len) { + netif_stop_queue(dev); + } + + dev->trans_start = jiffies; + skb_queue_tail(&dp->rq, skb); + if (!dp->tasklet_pending) { + dp->tasklet_pending = 1; + tasklet_schedule(&dp->ifb_tasklet); + } + + return ret; +} + +static struct net_device_stats *ifb_get_stats(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + struct net_device_stats *stats = &dp->stats; + + pr_debug("tasklets stats %ld:%ld:%ld:%ld:%ld:%ld:%ld:%ld:%ld \n", + dp->st_task_enter, dp->st_txq_refl_try, dp->st_rxq_enter, + dp->st_rx2tx_tran dp->st_rxq_notenter, dp->st_rx_frm_egr, + dp->st_rx_frm_ing, dp->st_rxq_check, dp->st_rxq_rsch ); + + return stats; +} + +static struct net_device **ifbs; + +/* Number of ifb devices to be set up by this module. */ +module_param(numifbs, int, 0); +MODULE_PARM_DESC(numifbs, "Number of ifb devices"); + +static int ifb_close(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + + tasklet_kill(&dp->ifb_tasklet); + netif_stop_queue(dev); + skb_queue_purge(&dp->rq); + skb_queue_purge(&dp->tq); + return 0; +} + +static int ifb_open(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + + tasklet_init(&dp->ifb_tasklet, ri_tasklet, (unsigned long)dev); + skb_queue_head_init(&dp->rq); + skb_queue_head_init(&dp->tq); + netif_start_queue(dev); + + return 0; +} + +static int __init ifb_init_one(int index) +{ + struct net_device *dev_ifb; + int err; + + dev_ifb = alloc_netdev(sizeof(struct ifb_private), + "ifb%d", ifb_setup); + + if (!dev_ifb) + return -ENOMEM; + + if ((err = register_netdev(dev_ifb))) { + free_netdev(dev_ifb); + dev_ifb = NULL; + } else { + ifbs[index] = dev_ifb; + } + + return err; +} + +static void ifb_free_one(int index) +{ + unregister_netdev(ifbs[index]); + free_netdev(ifbs[index]); +} + +static int __init ifb_init_module(void) +{ + int i, err = 0; + ifbs = kmalloc(numifbs * sizeof(void *), GFP_KERNEL); + if (!ifbs) + return -ENOMEM; + for (i = 0; i < numifbs && !err; i++) + err = ifb_init_one(i); + if (err) { + while (--i >= 0) + ifb_free_one(i); + } + + return err; +} + +static void __exit ifb_cleanup_module(void) +{ + int i; + + for (i = 0; i < numifbs; i++) + ifb_free_one(i); + kfree(ifbs); +} + +module_init(ifb_init_module); +module_exit(ifb_cleanup_module); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jamal Hadi Salim"); diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index 049c34b3706..593d8adee89 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -1598,7 +1598,7 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get the address of the PHY in use. */ data[0] = 0; /* we have only this address */ - /* fall trough */ + /* fall through */ case SIOCGMIIREG: /* Read the specified MII register. */ data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f); break; diff --git a/drivers/net/sk98lin/skdim.c b/drivers/net/sk98lin/skdim.c index 0fddf61047b..07c1b4c8699 100644 --- a/drivers/net/sk98lin/skdim.c +++ b/drivers/net/sk98lin/skdim.c @@ -180,7 +180,7 @@ SkDimModerate(SK_AC *pAC) { /* ** The number of interrupts per sec is the same as expected. ** Evalulate the descriptor-ratio. If it has changed, a resize - ** in the moderation timer might be usefull + ** in the moderation timer might be useful */ if (M_DIMINFO.AutoSizing) { ResizeDimTimerDuration(pAC); diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 197edd74fbb..a5f2b1ee075 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -2851,7 +2851,7 @@ unsigned long Flags; /* for spin lock */ * Description: * This function is called if an ioctl is issued on the device. * There are three subfunction for reading, writing and test-writing - * the private MIB data structure (usefull for SysKonnect-internal tools). + * the private MIB data structure (useful for SysKonnect-internal tools). * * Returns: * 0, if everything is ok diff --git a/drivers/net/sk98lin/skgepnmi.c b/drivers/net/sk98lin/skgepnmi.c index 58e1a5be913..a386172107e 100644 --- a/drivers/net/sk98lin/skgepnmi.c +++ b/drivers/net/sk98lin/skgepnmi.c @@ -611,7 +611,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * If the instance -1 is passed, an array of values is supposed and * all instances of the OID will be set. * @@ -654,7 +654,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * If the instance -1 is passed, an array of values is supposed and * all instances of the OID will be set. * @@ -870,7 +870,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this set stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * The sub-function runs through the IdTable, checks which OIDs are able * to set, and calls the handler function of the OID to perform the * preset. The return value of the function will also be stored in @@ -6473,7 +6473,7 @@ unsigned int PhysPortIndex) /* Physical port index */ * * Description: * The COMMON module only tells us if the mode is half or full duplex. - * But in the decade of auto sensing it is usefull for the user to + * But in the decade of auto sensing it is useful for the user to * know if the mode was negotiated or forced. Therefore we have a * look to the mode, which was last used by the negotiation process. * diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 95bd07b8b61..315be4770d3 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -347,7 +347,7 @@ static void led_LCD_driver(unsigned char leds) ** ** led_get_net_activity() ** - ** calculate if there was TX- or RX-troughput on the network interfaces + ** calculate if there was TX- or RX-throughput on the network interfaces ** (analog to dev_get_info() from net/core/dev.c) ** */ diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 09ed05727bc..dda5a5f79c5 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -146,7 +146,6 @@ #include <asm/system.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/ecard.h> #include "../scsi.h" diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c index 804125e35fc..a2894015670 100644 --- a/drivers/scsi/arm/arxescsi.c +++ b/drivers/scsi/arm/arxescsi.c @@ -33,7 +33,6 @@ #include <asm/dma.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/ecard.h> #include "../scsi.h" diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index 81e266be26d..e6c9491dc5c 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -13,7 +13,6 @@ #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/system.h> #include "../scsi.h" diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index 3a7a46b0dc4..583d2d8c833 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -31,7 +31,6 @@ #include <asm/dma.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/pgtable.h> #include "../scsi.h" diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index 4d1e8f52c92..3ffec7efc9d 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -35,7 +35,6 @@ #include <linux/dma-mapping.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/dma.h> #include <asm/ecard.h> #include <asm/pgtable.h> diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 3333d7b3913..3113bdcedb1 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -22,7 +22,6 @@ #include <asm/dma.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/pgtable.h> #include "../scsi.h" diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 1891cf5bdee..e8454611cb6 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -54,6 +54,8 @@ */ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS; +static unsigned int nr_uarts = CONFIG_SERIAL_8250_RUNTIME_UARTS; + /* * Debugging. */ @@ -2118,7 +2120,7 @@ static void __init serial8250_isa_init_ports(void) return; first = 0; - for (i = 0; i < UART_NR; i++) { + for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; up->port.line = i; @@ -2137,7 +2139,7 @@ static void __init serial8250_isa_init_ports(void) } for (i = 0, up = serial8250_ports; - i < ARRAY_SIZE(old_serial_port) && i < UART_NR; + i < ARRAY_SIZE(old_serial_port) && i < nr_uarts; i++, up++) { up->port.iobase = old_serial_port[i].port; up->port.irq = irq_canonicalize(old_serial_port[i].irq); @@ -2159,7 +2161,7 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev) serial8250_isa_init_ports(); - for (i = 0; i < UART_NR; i++) { + for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; up->port.dev = dev; @@ -2262,7 +2264,7 @@ static int serial8250_console_setup(struct console *co, char *options) * if so, search for the first available port that does have * console support. */ - if (co->index >= UART_NR) + if (co->index >= nr_uarts) co->index = 0; port = &serial8250_ports[co->index].port; if (!port->iobase && !port->membase) @@ -2298,7 +2300,7 @@ static int __init find_port(struct uart_port *p) int line; struct uart_port *port; - for (line = 0; line < UART_NR; line++) { + for (line = 0; line < nr_uarts; line++) { port = &serial8250_ports[line].port; if (uart_match_port(p, port)) return line; @@ -2420,7 +2422,7 @@ static int __devexit serial8250_remove(struct platform_device *dev) { int i; - for (i = 0; i < UART_NR; i++) { + for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; if (up->port.dev == &dev->dev) @@ -2487,7 +2489,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port * /* * First, find a port entry which matches. */ - for (i = 0; i < UART_NR; i++) + for (i = 0; i < nr_uarts; i++) if (uart_match_port(&serial8250_ports[i].port, port)) return &serial8250_ports[i]; @@ -2496,7 +2498,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port * * free entry. We look for one which hasn't been previously * used (indicated by zero iobase). */ - for (i = 0; i < UART_NR; i++) + for (i = 0; i < nr_uarts; i++) if (serial8250_ports[i].port.type == PORT_UNKNOWN && serial8250_ports[i].port.iobase == 0) return &serial8250_ports[i]; @@ -2505,7 +2507,7 @@ static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port * * That also failed. Last resort is to find any entry which * doesn't have a real port associated with it. */ - for (i = 0; i < UART_NR; i++) + for (i = 0; i < nr_uarts; i++) if (serial8250_ports[i].port.type == PORT_UNKNOWN) return &serial8250_ports[i]; @@ -2590,8 +2592,11 @@ static int __init serial8250_init(void) { int ret, i; + if (nr_uarts > UART_NR) + nr_uarts = UART_NR; + printk(KERN_INFO "Serial: 8250/16550 driver $Revision: 1.90 $ " - "%d ports, IRQ sharing %sabled\n", (int) UART_NR, + "%d ports, IRQ sharing %sabled\n", nr_uarts, share_irqs ? "en" : "dis"); for (i = 0; i < NR_IRQS; i++) @@ -2651,6 +2656,9 @@ module_param(share_irqs, uint, 0644); MODULE_PARM_DESC(share_irqs, "Share IRQs with other non-8250/16x50 devices" " (unsafe)"); +module_param(nr_uarts, uint, 0644); +MODULE_PARM_DESC(nr_uarts, "Maximum number of UARTs supported. (1-" __MODULE_STRING(CONFIG_SERIAL_8250_NR_UARTS) ")"); + #ifdef CONFIG_SERIAL_8250_RSA module_param_array(probe_rsa, ulong, &probe_rsa_count, 0444); MODULE_PARM_DESC(probe_rsa, "Probe I/O ports for RSA"); diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 812bae62c8e..1bae26a8a50 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -95,6 +95,16 @@ config SERIAL_8250_NR_UARTS PCI enumeration and any ports that may be added at run-time via hot-plug, or any ISA multi-port serial cards. +config SERIAL_8250_RUNTIME_UARTS + int "Number of 8250/16550 serial ports to register at runtime" + depends on SERIAL_8250 + default "4" + help + Set this to the maximum number of serial ports you want + the kernel to register at boot time. This can be overriden + with the module parameter "nr_uarts", or boot-time parameter + 8250.nr_uarts + config SERIAL_8250_EXTENDED bool "Extended 8250/16550 serial driver options" depends on SERIAL_8250 @@ -359,29 +369,6 @@ config SERIAL_21285_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_UART00 - bool "Excalibur serial port (uart00) support" - depends on ARM && ARCH_CAMELOT - select SERIAL_CORE - help - Say Y here if you want to use the hard logic uart on Excalibur. This - driver also supports soft logic implementations of this uart core. - -config SERIAL_UART00_CONSOLE - bool "Support for console on Excalibur serial port" - depends on SERIAL_UART00 - select SERIAL_CORE_CONSOLE - help - Say Y here if you want to support a serial console on an Excalibur - hard logic uart or uart00 IP core. - - Even if you say Y here, the currently visible virtual console - (/dev/tty0) will still be used as the system console by default, but - you can alter that using a kernel command line option such as - "console=ttyS1". (Try "man bootparam" or see the documentation of - your boot loader (lilo or loadlin) about how to pass options to the - kernel at boot time.) - config SERIAL_MPSC bool "Marvell MPSC serial port support" depends on PPC32 && MV64X60 diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index d7c7c7180e3..137148bba4f 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -29,7 +29,6 @@ obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o obj-$(CONFIG_SERIAL_PXA) += pxa.o obj-$(CONFIG_SERIAL_SA1100) += sa1100.o obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o -obj-$(CONFIG_SERIAL_UART00) += uart00.o obj-$(CONFIG_SERIAL_SUNCORE) += suncore.o obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 34c576dfad8..9589509fc5b 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -1440,6 +1440,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state) * modem is ready for us. */ spin_lock_irq(&port->lock); + port->ops->enable_ms(port); mctrl = port->ops->get_mctrl(port); spin_unlock_irq(&port->lock); if (mctrl & TIOCM_CAR) diff --git a/drivers/serial/uart00.c b/drivers/serial/uart00.c deleted file mode 100644 index 47b504ff38b..00000000000 --- a/drivers/serial/uart00.c +++ /dev/null @@ -1,782 +0,0 @@ -/* - * linux/drivers/serial/uart00.c - * - * Driver for UART00 serial ports - * - * Based on drivers/char/serial_amba.c, by ARM Limited & - * Deep Blue Solutions Ltd. - * Copyright 2001 Altera Corporation - * - * Update for 2.6.4 by Dirk Behme <dirk.behme@de.bosch.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * $Id: uart00.c,v 1.35 2002/07/28 10:03:28 rmk Exp $ - * - */ -#include <linux/config.h> - -#if defined(CONFIG_SERIAL_UART00_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) -#define SUPPORT_SYSRQ -#endif - -#include <linux/module.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/sysrq.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/serial_core.h> -#include <linux/serial.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/sizes.h> - -#include <asm/arch/excalibur.h> -#define UART00_TYPE (volatile unsigned int*) -#include <asm/arch/uart00.h> -#include <asm/arch/int_ctrl00.h> - -#define UART_NR 2 - -#define SERIAL_UART00_NAME "ttyUA" -#define SERIAL_UART00_MAJOR 204 -#define SERIAL_UART00_MINOR 16 /* Temporary - will change in future */ -#define SERIAL_UART00_NR UART_NR -#define UART_PORT_SIZE 0x50 - -#define UART00_ISR_PASS_LIMIT 256 - -/* - * Access macros for the UART00 UARTs - */ -#define UART_GET_INT_STATUS(p) inl(UART_ISR((p)->membase)) -#define UART_PUT_IES(p, c) outl(c,UART_IES((p)->membase)) -#define UART_GET_IES(p) inl(UART_IES((p)->membase)) -#define UART_PUT_IEC(p, c) outl(c,UART_IEC((p)->membase)) -#define UART_GET_IEC(p) inl(UART_IEC((p)->membase)) -#define UART_PUT_CHAR(p, c) outl(c,UART_TD((p)->membase)) -#define UART_GET_CHAR(p) inl(UART_RD((p)->membase)) -#define UART_GET_RSR(p) inl(UART_RSR((p)->membase)) -#define UART_GET_RDS(p) inl(UART_RDS((p)->membase)) -#define UART_GET_MSR(p) inl(UART_MSR((p)->membase)) -#define UART_GET_MCR(p) inl(UART_MCR((p)->membase)) -#define UART_PUT_MCR(p, c) outl(c,UART_MCR((p)->membase)) -#define UART_GET_MC(p) inl(UART_MC((p)->membase)) -#define UART_PUT_MC(p, c) outl(c,UART_MC((p)->membase)) -#define UART_GET_TSR(p) inl(UART_TSR((p)->membase)) -#define UART_GET_DIV_HI(p) inl(UART_DIV_HI((p)->membase)) -#define UART_PUT_DIV_HI(p,c) outl(c,UART_DIV_HI((p)->membase)) -#define UART_GET_DIV_LO(p) inl(UART_DIV_LO((p)->membase)) -#define UART_PUT_DIV_LO(p,c) outl(c,UART_DIV_LO((p)->membase)) -#define UART_RX_DATA(s) ((s) & UART_RSR_RX_LEVEL_MSK) -#define UART_TX_READY(s) (((s) & UART_TSR_TX_LEVEL_MSK) < 15) -//#define UART_TX_EMPTY(p) ((UART_GET_FR(p) & UART00_UARTFR_TMSK) == 0) - -static void uart00_stop_tx(struct uart_port *port) -{ - UART_PUT_IEC(port, UART_IEC_TIE_MSK); -} - -static void uart00_stop_rx(struct uart_port *port) -{ - UART_PUT_IEC(port, UART_IEC_RE_MSK); -} - -static void uart00_enable_ms(struct uart_port *port) -{ - UART_PUT_IES(port, UART_IES_ME_MSK); -} - -static void -uart00_rx_chars(struct uart_port *port, struct pt_regs *regs) -{ - struct tty_struct *tty = port->info->tty; - unsigned int status, ch, rds, flg, ignored = 0; - - status = UART_GET_RSR(port); - while (UART_RX_DATA(status)) { - /* - * We need to read rds before reading the - * character from the fifo - */ - rds = UART_GET_RDS(port); - ch = UART_GET_CHAR(port); - port->icount.rx++; - - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - goto ignore_char; - - flg = TTY_NORMAL; - - /* - * Note that the error handling code is - * out of the main execution path - */ - if (rds & (UART_RDS_BI_MSK |UART_RDS_FE_MSK| - UART_RDS_PE_MSK |UART_RDS_PE_MSK)) - goto handle_error; - if (uart_handle_sysrq_char(port, ch, regs)) - goto ignore_char; - - error_return: - tty_insert_flip_char(tty, ch, flg); - - ignore_char: - status = UART_GET_RSR(port); - } - out: - tty_flip_buffer_push(tty); - return; - - handle_error: - if (rds & UART_RDS_BI_MSK) { - status &= ~(UART_RDS_FE_MSK | UART_RDS_PE_MSK); - port->icount.brk++; - if (uart_handle_break(port)) - goto ignore_char; - } else if (rds & UART_RDS_PE_MSK) - port->icount.parity++; - else if (rds & UART_RDS_FE_MSK) - port->icount.frame++; - if (rds & UART_RDS_OE_MSK) - port->icount.overrun++; - - if (rds & port->ignore_status_mask) { - if (++ignored > 100) - goto out; - goto ignore_char; - } - rds &= port->read_status_mask; - - if (rds & UART_RDS_BI_MSK) - flg = TTY_BREAK; - else if (rds & UART_RDS_PE_MSK) - flg = TTY_PARITY; - else if (rds & UART_RDS_FE_MSK) - flg = TTY_FRAME; - - if (rds & UART_RDS_OE_MSK) { - /* - * CHECK: does overrun affect the current character? - * ASSUMPTION: it does not. - */ - tty_insert_flip_char(tty, ch, flg); - ch = 0; - flg = TTY_OVERRUN; - } -#ifdef SUPPORT_SYSRQ - port->sysrq = 0; -#endif - goto error_return; -} - -static void uart00_tx_chars(struct uart_port *port) -{ - struct circ_buf *xmit = &port->info->xmit; - int count; - - if (port->x_char) { - while ((UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK) == 15) - barrier(); - UART_PUT_CHAR(port, port->x_char); - port->icount.tx++; - port->x_char = 0; - return; - } - if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { - uart00_stop_tx(port); - return; - } - - count = port->fifosize >> 1; - do { - while ((UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK) == 15) - barrier(); - UART_PUT_CHAR(port, xmit->buf[xmit->tail]); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - port->icount.tx++; - if (uart_circ_empty(xmit)) - break; - } while (--count > 0); - - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(port); - - if (uart_circ_empty(xmit)) - uart00_stop_tx(port); -} - -static void uart00_start_tx(struct uart_port *port) -{ - UART_PUT_IES(port, UART_IES_TIE_MSK); - uart00_tx_chars(port); -} - -static void uart00_modem_status(struct uart_port *port) -{ - unsigned int status; - - status = UART_GET_MSR(port); - - if (!(status & (UART_MSR_DCTS_MSK | UART_MSR_DDSR_MSK | - UART_MSR_TERI_MSK | UART_MSR_DDCD_MSK))) - return; - - if (status & UART_MSR_DDCD_MSK) - uart_handle_dcd_change(port, status & UART_MSR_DCD_MSK); - - if (status & UART_MSR_DDSR_MSK) - port->icount.dsr++; - - if (status & UART_MSR_DCTS_MSK) - uart_handle_cts_change(port, status & UART_MSR_CTS_MSK); - - wake_up_interruptible(&port->info->delta_msr_wait); -} - -static irqreturn_t uart00_int(int irq, void *dev_id, struct pt_regs *regs) -{ - struct uart_port *port = dev_id; - unsigned int status, pass_counter = 0; - - status = UART_GET_INT_STATUS(port); - do { - if (status & UART_ISR_RI_MSK) - uart00_rx_chars(port, regs); - if (status & UART_ISR_MI_MSK) - uart00_modem_status(port); - if (status & (UART_ISR_TI_MSK | UART_ISR_TII_MSK)) - uart00_tx_chars(port); - if (pass_counter++ > UART00_ISR_PASS_LIMIT) - break; - - status = UART_GET_INT_STATUS(port); - } while (status); - - return IRQ_HANDLED; -} - -static unsigned int uart00_tx_empty(struct uart_port *port) -{ - return UART_GET_TSR(port) & UART_TSR_TX_LEVEL_MSK? 0 : TIOCSER_TEMT; -} - -static unsigned int uart00_get_mctrl(struct uart_port *port) -{ - unsigned int result = 0; - unsigned int status; - - status = UART_GET_MSR(port); - if (status & UART_MSR_DCD_MSK) - result |= TIOCM_CAR; - if (status & UART_MSR_DSR_MSK) - result |= TIOCM_DSR; - if (status & UART_MSR_CTS_MSK) - result |= TIOCM_CTS; - if (status & UART_MSR_RI_MSK) - result |= TIOCM_RI; - - return result; -} - -static void uart00_set_mctrl_null(struct uart_port *port, unsigned int mctrl) -{ -} - -static void uart00_break_ctl(struct uart_port *port, int break_state) -{ - unsigned long flags; - unsigned int mcr; - - spin_lock_irqsave(&port->lock, flags); - mcr = UART_GET_MCR(port); - if (break_state == -1) - mcr |= UART_MCR_BR_MSK; - else - mcr &= ~UART_MCR_BR_MSK; - UART_PUT_MCR(port, mcr); - spin_unlock_irqrestore(&port->lock, flags); -} - -static void -uart00_set_termios(struct uart_port *port, struct termios *termios, - struct termios *old) -{ - unsigned int uart_mc, old_ies, baud, quot; - unsigned long flags; - - /* - * We don't support CREAD (yet) - */ - termios->c_cflag |= CREAD; - - /* - * Ask the core to calculate the divisor for us. - */ - baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - - /* byte size and parity */ - switch (termios->c_cflag & CSIZE) { - case CS5: - uart_mc = UART_MC_CLS_CHARLEN_5; - break; - case CS6: - uart_mc = UART_MC_CLS_CHARLEN_6; - break; - case CS7: - uart_mc = UART_MC_CLS_CHARLEN_7; - break; - default: // CS8 - uart_mc = UART_MC_CLS_CHARLEN_8; - break; - } - if (termios->c_cflag & CSTOPB) - uart_mc|= UART_MC_ST_TWO; - if (termios->c_cflag & PARENB) { - uart_mc |= UART_MC_PE_MSK; - if (!(termios->c_cflag & PARODD)) - uart_mc |= UART_MC_EP_MSK; - } - - spin_lock_irqsave(&port->lock, flags); - - /* - * Update the per-port timeout. - */ - uart_update_timeout(port, termios->c_cflag, baud); - - port->read_status_mask = UART_RDS_OE_MSK; - if (termios->c_iflag & INPCK) - port->read_status_mask |= UART_RDS_FE_MSK | UART_RDS_PE_MSK; - if (termios->c_iflag & (BRKINT | PARMRK)) - port->read_status_mask |= UART_RDS_BI_MSK; - - /* - * Characters to ignore - */ - port->ignore_status_mask = 0; - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= UART_RDS_FE_MSK | UART_RDS_PE_MSK; - if (termios->c_iflag & IGNBRK) { - port->ignore_status_mask |= UART_RDS_BI_MSK; - /* - * If we're ignoring parity and break indicators, - * ignore overruns to (for real raw support). - */ - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= UART_RDS_OE_MSK; - } - - /* first, disable everything */ - old_ies = UART_GET_IES(port); - - if (UART_ENABLE_MS(port, termios->c_cflag)) - old_ies |= UART_IES_ME_MSK; - - /* Set baud rate */ - UART_PUT_DIV_LO(port, (quot & 0xff)); - UART_PUT_DIV_HI(port, ((quot & 0xf00) >> 8)); - - UART_PUT_MC(port, uart_mc); - UART_PUT_IES(port, old_ies); - - spin_unlock_irqrestore(&port->lock, flags); -} - -static int uart00_startup(struct uart_port *port) -{ - int result; - - /* - * Allocate the IRQ - */ - result = request_irq(port->irq, uart00_int, 0, "uart00", port); - if (result) { - printk(KERN_ERR "Request of irq %d failed\n", port->irq); - return result; - } - - /* - * Finally, enable interrupts. Use the TII interrupt to minimise - * the number of interrupts generated. If higher performance is - * needed, consider using the TI interrupt with a suitable FIFO - * threshold - */ - UART_PUT_IES(port, UART_IES_RE_MSK | UART_IES_TIE_MSK); - - return 0; -} - -static void uart00_shutdown(struct uart_port *port) -{ - /* - * disable all interrupts, disable the port - */ - UART_PUT_IEC(port, 0xff); - - /* disable break condition and fifos */ - UART_PUT_MCR(port, UART_GET_MCR(port) &~UART_MCR_BR_MSK); - - /* - * Free the interrupt - */ - free_irq(port->irq, port); -} - -static const char *uart00_type(struct uart_port *port) -{ - return port->type == PORT_UART00 ? "Altera UART00" : NULL; -} - -/* - * Release the memory region(s) being used by 'port' - */ -static void uart00_release_port(struct uart_port *port) -{ - release_mem_region(port->mapbase, UART_PORT_SIZE); - -#ifdef CONFIG_ARCH_CAMELOT - if (port->membase != (void*)IO_ADDRESS(EXC_UART00_BASE)) { - iounmap(port->membase); - } -#endif -} - -/* - * Request the memory region(s) being used by 'port' - */ -static int uart00_request_port(struct uart_port *port) -{ - return request_mem_region(port->mapbase, UART_PORT_SIZE, "serial_uart00") - != NULL ? 0 : -EBUSY; -} - -/* - * Configure/autoconfigure the port. - */ -static void uart00_config_port(struct uart_port *port, int flags) -{ - - /* - * Map the io memory if this is a soft uart - */ - if (!port->membase) - port->membase = ioremap_nocache(port->mapbase,SZ_4K); - - if (!port->membase) - printk(KERN_ERR "serial00: cannot map io memory\n"); - else - port->type = PORT_UART00; - -} - -/* - * verify the new serial_struct (for TIOCSSERIAL). - */ -static int uart00_verify_port(struct uart_port *port, struct serial_struct *ser) -{ - int ret = 0; - if (ser->type != PORT_UNKNOWN && ser->type != PORT_UART00) - ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) - ret = -EINVAL; - if (ser->baud_base < 9600) - ret = -EINVAL; - return ret; -} - -static struct uart_ops uart00_pops = { - .tx_empty = uart00_tx_empty, - .set_mctrl = uart00_set_mctrl_null, - .get_mctrl = uart00_get_mctrl, - .stop_tx = uart00_stop_tx, - .start_tx = uart00_start_tx, - .stop_rx = uart00_stop_rx, - .enable_ms = uart00_enable_ms, - .break_ctl = uart00_break_ctl, - .startup = uart00_startup, - .shutdown = uart00_shutdown, - .set_termios = uart00_set_termios, - .type = uart00_type, - .release_port = uart00_release_port, - .request_port = uart00_request_port, - .config_port = uart00_config_port, - .verify_port = uart00_verify_port, -}; - - -#ifdef CONFIG_ARCH_CAMELOT -static struct uart_port epxa10db_port = { - .membase = (void*)IO_ADDRESS(EXC_UART00_BASE), - .mapbase = EXC_UART00_BASE, - .iotype = SERIAL_IO_MEM, - .irq = IRQ_UART, - .uartclk = EXC_AHB2_CLK_FREQUENCY, - .fifosize = 16, - .ops = &uart00_pops, - .flags = ASYNC_BOOT_AUTOCONF, -}; -#endif - - -#ifdef CONFIG_SERIAL_UART00_CONSOLE -static void uart00_console_write(struct console *co, const char *s, unsigned count) -{ -#ifdef CONFIG_ARCH_CAMELOT - struct uart_port *port = &epxa10db_port; - unsigned int status, old_ies; - int i; - - /* - * First save the CR then disable the interrupts - */ - old_ies = UART_GET_IES(port); - UART_PUT_IEC(port,0xff); - - /* - * Now, do each character - */ - for (i = 0; i < count; i++) { - do { - status = UART_GET_TSR(port); - } while (!UART_TX_READY(status)); - UART_PUT_CHAR(port, s[i]); - if (s[i] == '\n') { - do { - status = UART_GET_TSR(port); - } while (!UART_TX_READY(status)); - UART_PUT_CHAR(port, '\r'); - } - } - - /* - * Finally, wait for transmitter to become empty - * and restore the IES - */ - do { - status = UART_GET_TSR(port); - } while (status & UART_TSR_TX_LEVEL_MSK); - UART_PUT_IES(port, old_ies); -#endif -} - -static void __init -uart00_console_get_options(struct uart_port *port, int *baud, - int *parity, int *bits) -{ - unsigned int uart_mc, quot; - - uart_mc = UART_GET_MC(port); - - *parity = 'n'; - if (uart_mc & UART_MC_PE_MSK) { - if (uart_mc & UART_MC_EP_MSK) - *parity = 'e'; - else - *parity = 'o'; - } - - switch (uart_mc & UART_MC_CLS_MSK) { - case UART_MC_CLS_CHARLEN_5: - *bits = 5; - break; - case UART_MC_CLS_CHARLEN_6: - *bits = 6; - break; - case UART_MC_CLS_CHARLEN_7: - *bits = 7; - break; - case UART_MC_CLS_CHARLEN_8: - *bits = 8; - break; - } - quot = UART_GET_DIV_LO(port) | (UART_GET_DIV_HI(port) << 8); - *baud = port->uartclk / (16 *quot ); -} - -static int __init uart00_console_setup(struct console *co, char *options) -{ - struct uart_port *port; - int baud = 115200; - int bits = 8; - int parity = 'n'; - int flow = 'n'; - -#ifdef CONFIG_ARCH_CAMELOT - port = &epxa10db_port; ; -#else - return -ENODEV; -#endif - if (options) - uart_parse_options(options, &baud, &parity, &bits, &flow); - else - uart00_console_get_options(port, &baud, &parity, &bits); - - return uart_set_options(port, co, baud, parity, bits, flow); -} - -extern struct uart_driver uart00_reg; -static struct console uart00_console = { - .name = SERIAL_UART00_NAME, - .write = uart00_console_write, - .device = uart_console_device, - .setup = uart00_console_setup, - .flags = CON_PRINTBUFFER, - .index = 0, - .data = &uart00_reg, -}; - -static int __init uart00_console_init(void) -{ - register_console(&uart00_console); - return 0; -} -console_initcall(uart00_console_init); - -#define UART00_CONSOLE &uart00_console -#else -#define UART00_CONSOLE NULL -#endif - -static struct uart_driver uart00_reg = { - .owner = NULL, - .driver_name = SERIAL_UART00_NAME, - .dev_name = SERIAL_UART00_NAME, - .major = SERIAL_UART00_MAJOR, - .minor = SERIAL_UART00_MINOR, - .nr = UART_NR, - .cons = UART00_CONSOLE, -}; - -struct dev_port_entry{ - unsigned int base_addr; - struct uart_port *port; -}; - -#ifdef CONFIG_PLD_HOTSWAP - -static struct dev_port_entry dev_port_map[UART_NR]; - -/* - * Keep a mapping of dev_info addresses -> port lines to use when - * removing ports dev==NULL indicates unused entry - */ - -struct uart00_ps_data{ - unsigned int clk; - unsigned int fifosize; -}; - -int uart00_add_device(struct pldhs_dev_info* dev_info, void* dev_ps_data) -{ - struct uart00_ps_data* dev_ps=dev_ps_data; - struct uart_port * port; - int i,result; - - i=0; - while(dev_port_map[i].port) - i++; - - if(i==UART_NR){ - printk(KERN_WARNING "uart00: Maximum number of ports reached\n"); - return 0; - } - - port=kmalloc(sizeof(struct uart_port),GFP_KERNEL); - if(!port) - return -ENOMEM; - - printk("clk=%d fifo=%d\n",dev_ps->clk,dev_ps->fifosize); - port->membase=0; - port->mapbase=dev_info->base_addr; - port->iotype=SERIAL_IO_MEM; - port->irq=dev_info->irq; - port->uartclk=dev_ps->clk; - port->fifosize=dev_ps->fifosize; - port->ops=&uart00_pops; - port->line=i; - port->flags=ASYNC_BOOT_AUTOCONF; - - result=uart_add_one_port(&uart00_reg, port); - if(result){ - printk("uart_add_one_port returned %d\n",result); - return result; - } - dev_port_map[i].base_addr=dev_info->base_addr; - dev_port_map[i].port=port; - printk("uart00: added device at %x as ttyUA%d\n",dev_port_map[i].base_addr,i); - return 0; - -} - -int uart00_remove_devices(void) -{ - int i,result; - - - result=0; - for(i=1;i<UART_NR;i++){ - if(dev_port_map[i].base_addr){ - result=uart_remove_one_port(&uart00_reg, dev_port_map[i].port); - if(result) - return result; - - /* port removed sucessfully, so now tidy up */ - kfree(dev_port_map[i].port); - dev_port_map[i].base_addr=0; - dev_port_map[i].port=NULL; - } - } - return 0; - -} - -struct pld_hotswap_ops uart00_pldhs_ops={ - .name = "uart00", - .add_device = uart00_add_device, - .remove_devices = uart00_remove_devices, -}; - -#endif - -static int __init uart00_init(void) -{ - int result; - - printk(KERN_INFO "Serial: UART00 driver $Revision: 1.35 $\n"); - - printk(KERN_WARNING "serial_uart00:Using temporary major/minor pairs" - " - these WILL change in the future\n"); - - result = uart_register_driver(&uart00_reg); - if (result) - return result; -#ifdef CONFIG_ARCH_CAMELOT - result = uart_add_one_port(&uart00_reg,&epxa10db_port); -#endif - if (result) - uart_unregister_driver(&uart00_reg); - -#ifdef CONFIG_PLD_HOTSWAP - pldhs_register_driver(&uart00_pldhs_ops); -#endif - return result; -} - -__initcall(uart00_init); diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index ed1899d307d..be3fd9bce57 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -11,14 +11,14 @@ config USB_EHCI_HCD The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. If your USB host controller supports USB 2.0, you will likely want to - configure this Host Controller Driver. At this writing, the primary - implementation of EHCI is a chip from NEC, widely available in add-on - PCI cards, but implementations are in the works from other vendors - including Intel and Philips. Motherboard support is appearing. + configure this Host Controller Driver. At the time of this writing, + the primary implementation of EHCI is a chip from NEC, widely available + in add-on PCI cards, but implementations are in the works from other + vendors including Intel and Philips. Motherboard support is appearing. EHCI controllers are packaged with "companion" host controllers (OHCI or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports - will connect to EHCI if it the device is high speed, otherwise they + will connect to EHCI if the device is high speed, otherwise they connect to a companion controller. If you configure EHCI, you should probably configure the OHCI (for NEC and some other vendors) USB Host Controller Driver or UHCI (for Via motherboards) Host Controller diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index af18355e94c..4e9637eb613 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -357,7 +357,7 @@ static int cypress_serial_control (struct usb_serial_port *port, unsigned baud_m } while (retval != 5 && retval != ENODEV); if (retval != 5) { - err("%s - failed to retreive serial line settings - %d", __FUNCTION__, retval); + err("%s - failed to retrieve serial line settings - %d", __FUNCTION__, retval); return retval; } else { spin_lock_irqsave(&priv->lock, flags); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8bc8337c99c..4dd6865d32b 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -584,7 +584,7 @@ static struct usb_serial_driver *search_serial_device(struct usb_interface *ifac const struct usb_device_id *id; struct usb_serial_driver *t; - /* List trough know devices and see if the usb id matches */ + /* Check if the usb id matches a known device */ list_for_each(p, &usb_serial_driver_list) { t = list_entry(p, struct usb_serial_driver, driver_list); id = usb_match_id(iface, t->id_table); diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c index ea7c8630691..7f9838dceab 100644 --- a/drivers/video/aty/radeon_monitor.c +++ b/drivers/video/aty/radeon_monitor.c @@ -423,7 +423,7 @@ static int __devinit radeon_parse_monitor_layout(struct radeonfb_info *rinfo, /* * Probe display on both primary and secondary card's connector (if any) * by various available techniques (i2c, OF device tree, BIOS, ...) and - * try to retreive EDID. The algorithm here comes from XFree's radeon + * try to retrieve EDID. The algorithm here comes from XFree's radeon * driver */ void __devinit radeon_probe_screens(struct radeonfb_info *rinfo, diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index a9300f930ef..55a3514157e 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -50,7 +50,6 @@ #include <linux/init.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/pgtable.h> #include <asm/system.h> #include <asm/uaccess.h> diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile index d0244c04af5..4ef5cd19609 100644 --- a/drivers/video/logo/Makefile +++ b/drivers/video/logo/Makefile @@ -16,7 +16,7 @@ obj-$(CONFIG_LOGO_M32R_CLUT224) += logo_m32r_clut224.o # How to generate logo's -# Use logo-cfiles to retreive list of .c files to be built +# Use logo-cfiles to retrieve list of .c files to be built logo-cfiles = $(notdir $(patsubst %.$(2), %.c, \ $(wildcard $(srctree)/$(src)/*$(1).$(2)))) diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c index 2ea1354e439..087e58689e4 100644 --- a/drivers/video/sa1100fb.c +++ b/drivers/video/sa1100fb.c @@ -178,7 +178,6 @@ #include <asm/hardware.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/mach-types.h> #include <asm/uaccess.h> #include <asm/arch/assabet.h> @@ -1455,7 +1454,11 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) static int __init sa1100fb_probe(struct platform_device *pdev) { struct sa1100fb_info *fbi; - int ret; + int ret, irq; + + irq = platform_get_irq(pdev, 0); + if (irq <= 0) + return -EINVAL; if (!request_mem_region(0xb0100000, 0x10000, "LCD")) return -EBUSY; @@ -1470,7 +1473,7 @@ static int __init sa1100fb_probe(struct platform_device *pdev) if (ret) goto failed; - ret = request_irq(IRQ_LCD, sa1100fb_handle_irq, SA_INTERRUPT, + ret = request_irq(irq, sa1100fb_handle_irq, SA_INTERRUPT, "LCD", fbi); if (ret) { printk(KERN_ERR "sa1100fb: request_irq failed: %d\n", ret); @@ -1492,7 +1495,7 @@ static int __init sa1100fb_probe(struct platform_device *pdev) ret = register_framebuffer(&fbi->fb); if (ret < 0) - goto failed; + goto err_free_irq; #ifdef CONFIG_CPU_FREQ fbi->freq_transition.notifier_call = sa1100fb_freq_transition; @@ -1504,7 +1507,9 @@ static int __init sa1100fb_probe(struct platform_device *pdev) /* This driver cannot be unloaded at the moment */ return 0; -failed: + err_free_irq: + free_irq(irq, fbi); + failed: platform_set_drvdata(pdev, NULL); kfree(fbi); release_mem_region(0xb0100000, 0x10000); diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig index 9a1e00dd3e0..4baf61a2232 100644 --- a/drivers/w1/Kconfig +++ b/drivers/w1/Kconfig @@ -3,7 +3,7 @@ menu "Dallas's 1-wire bus" config W1 tristate "Dallas's 1-wire support" ---help--- - Dallas's 1-wire bus is usefull to connect slow 1-pin devices + Dallas's 1-wire bus is useful to connect slow 1-pin devices such as iButtons and thermal sensors. If you want W1 support, you should say Y here. |