diff options
37 files changed, 703 insertions, 1246 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 6055e1427ba..055bf5d2889 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_PC24: + case R_ARM_CALL: + case R_ARM_JUMP24: offset = (*(u32 *)loc & 0x00ffffff) << 2; if (offset & 0x02000000) offset -= 0x04000000; diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index f74b9af112d..852ea72d8c8 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state) PSPR = 0; /* restore registers */ + RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); + RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GAFR0_L); RESTORE(GAFR0_U); RESTORE(GAFR1_L); RESTORE(GAFR1_U); RESTORE(GAFR2_L); RESTORE(GAFR2_U); - RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); - RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); #ifdef CONFIG_PXA27x RESTORE(MDREFR); - RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); - RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); + RESTORE_GPLEVEL(3); RESTORE(GPDR3); + RESTORE(GAFR3_L); RESTORE(GAFR3_U); + RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER); RESTORE(PFER); RESTORE(PKWR); #endif diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index a4da715a360..e9904c74d2b 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -721,11 +721,13 @@ flush_thread (void) /* drop floating-point and debug-register state if it exists: */ current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID); ia64_drop_fpu(current); +#ifdef CONFIG_IA32_SUPPORT if (IS_IA32_PROCESS(ia64_task_regs(current))) { ia32_drop_partial_page_list(current); current->thread.task_size = IA32_PAGE_OFFSET; set_fs(USER_DS); } +#endif } /* diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 31e649a9ff7..1c81174595b 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX endchoice -config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON - bool "Enable burstable Mode on DbDMA" - default false - depends BLK_DEV_IDE_AU1XXX - help - This option enable the burstable Flag on DbDMA controller - (cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY"). - config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ int "Maximum transfer size (KB) per request (up to 128)" default "128" @@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE config BLK_DEV_MPC8xx_IDE bool "MPC8xx IDE support" - depends on 8xx + depends on 8xx && IDE=y && BLK_DEV_IDE=y help This option provides support for IDE on Motorola MPC8xx Systems. Please see 'Type of MPC8xx IDE interface' for details. diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 9455e42abb2..b4d7a3efb90 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block) struct cdrom_info *info = drive->driver_data; info->dma = 0; - info->cmd = 0; info->start_seek = jiffies; return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation); } @@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block) (rq->nr_sectors & (sectors_per_frame - 1))) info->dma = 0; - info->cmd = READ; - /* Start sending the read request to the drive. */ return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation); } @@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive) struct cdrom_info *info = drive->driver_data; info->dma = 0; - info->cmd = 0; rq->flags &= ~REQ_FAILED; len = rq->data_len; @@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq) /* use dma, if possible. we don't need to check more, since we * know that the transfer is always (at least!) frame aligned */ info->dma = drive->using_dma ? 1 : 0; - info->cmd = WRITE; info->devinfo.media_written = 1; @@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) rq->flags |= REQ_QUIET; info->dma = 0; - info->cmd = 0; /* * sg request @@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) int mask = drive->queue->dma_alignment; unsigned long addr = (unsigned long) page_address(bio_page(rq->bio)); - info->cmd = rq_data_dir(rq); info->dma = drive->using_dma; /* diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index 7ca3e5afc66..ad1f2ed14a3 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -480,7 +480,6 @@ struct cdrom_info { struct request request_sense_request; int dma; - int cmd; unsigned long last_block; unsigned long start_seek; /* Buffer to hold mechanism status and changer slot table. */ diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index f4e3d3527b0..449522f0540 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -1034,12 +1034,12 @@ static int ide_disk_remove(struct device *dev) struct ide_disk_obj *idkp = drive->driver_data; struct gendisk *g = idkp->disk; - ide_cacheflush_p(drive); - ide_unregister_subdriver(drive, idkp->driver); del_gendisk(g); + ide_cacheflush_p(drive); + ide_disk_put(idkp); return 0; diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 1e1531334c2..0523da77425 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -90,11 +90,6 @@ #include <asm/io.h> #include <asm/irq.h> -struct drive_list_entry { - const char *id_model; - const char *id_firmware; -}; - static const struct drive_list_entry drive_whitelist [] = { { "Micropolis 2112A" , "ALL" }, @@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = { }; /** - * in_drive_list - look for drive in black/white list + * ide_in_drive_list - look for drive in black/white list * @id: drive identifier * @drive_table: list to inspect * @@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = { * Returns 1 if the drive is found in the table. */ -static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table) +int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table) { for ( ; drive_table->id_model ; drive_table++) if ((!strcmp(drive_table->id_model, id->model)) && @@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d return 0; } +EXPORT_SYMBOL_GPL(ide_in_drive_list); + /** * ide_dma_intr - IDE DMA interrupt handler * @drive: the drive the interrupt is for @@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive) { struct hd_driveid *id = drive->id; - int blacklist = in_drive_list(id, drive_blacklist); + int blacklist = ide_in_drive_list(id, drive_blacklist); if (blacklist) { printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n", drive->name, id->model); @@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive); int __ide_dma_good_drive (ide_drive_t *drive) { struct hd_driveid *id = drive->id; - return in_drive_list(id, drive_whitelist); + return ide_in_drive_list(id, drive_whitelist); } EXPORT_SYMBOL(__ide_dma_good_drive); diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile index 578e52a5958..677c7b2bac9 100644 --- a/drivers/ide/mips/Makefile +++ b/drivers/ide/mips/Makefile @@ -1 +1,4 @@ obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o +obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o + +EXTRA_CFLAGS := -Idrivers/ide diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 2b6327c576b..32431dcf5d8 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -31,865 +31,638 @@ */ #undef REALLY_SLOW_IO /* most systems can safely undef this */ -#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */ #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/delay.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/ioport.h> -#include <linux/hdreg.h> +#include <linux/platform_device.h> + #include <linux/init.h> #include <linux/ide.h> #include <linux/sysdev.h> #include <linux/dma-mapping.h> +#include "ide-timing.h" + #include <asm/io.h> #include <asm/mach-au1x00/au1xxx.h> #include <asm/mach-au1x00/au1xxx_dbdma.h> -#if CONFIG_PM -#include <asm/mach-au1x00/au1xxx_pm.h> -#endif - #include <asm/mach-au1x00/au1xxx_ide.h> #define DRV_NAME "au1200-ide" #define DRV_VERSION "1.0" -#define DRV_AUTHOR "AMD PCS / Pete Popov <ppopov@embeddedalley.com>" -#define DRV_DESC "Au1200 IDE" - -static _auide_hwif auide_hwif; -static spinlock_t ide_tune_drive_spin_lock = SPIN_LOCK_UNLOCKED; -static spinlock_t ide_tune_chipset_spin_lock = SPIN_LOCK_UNLOCKED; -static int dbdma_init_done = 0; - -/* - * local I/O functions - */ -u8 auide_inb(unsigned long port) -{ - return (au_readb(port)); -} +#define DRV_AUTHOR "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>" -u16 auide_inw(unsigned long port) -{ - return (au_readw(port)); -} +/* enable the burstmode in the dbdma */ +#define IDE_AU1XXX_BURSTMODE 1 -u32 auide_inl(unsigned long port) -{ - return (au_readl(port)); -} +static _auide_hwif auide_hwif; +static int dbdma_init_done; -void auide_insw(unsigned long port, void *addr, u32 count) -{ #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) - _auide_hwif *ahwif = &auide_hwif; - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - - if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1, - DDMA_FLAGS_NOIE)) { - printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); - return; - } - ctp = *((chan_tab_t **)ahwif->rx_chan); - dp = ctp->cur_ptr; - while (dp->dscr_cmd0 & DSCR_CMD0_V) - ; - ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); -#else - while (count--) - { - *(u16 *)addr = au_readw(port); - addr +=2 ; - } -#endif -} - -void auide_insl(unsigned long port, void *addr, u32 count) -{ - while (count--) - { - *(u32 *)addr = au_readl(port); - /* NOTE: For IDE interfaces over PCMCIA, - * 32-bit access does not work - */ - addr += 4; - } -} - -void auide_outb(u8 addr, unsigned long port) +void auide_insw(unsigned long port, void *addr, u32 count) { - return (au_writeb(addr, port)); -} + _auide_hwif *ahwif = &auide_hwif; + chan_tab_t *ctp; + au1x_ddma_desc_t *dp; -void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port) -{ - return (au_writeb(addr, port)); + if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1, + DDMA_FLAGS_NOIE)) { + printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); + return; + } + ctp = *((chan_tab_t **)ahwif->rx_chan); + dp = ctp->cur_ptr; + while (dp->dscr_cmd0 & DSCR_CMD0_V) + ; + ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); } -void auide_outw(u16 addr, unsigned long port) +void auide_outsw(unsigned long port, void *addr, u32 count) { - return (au_writew(addr, port)); -} + _auide_hwif *ahwif = &auide_hwif; + chan_tab_t *ctp; + au1x_ddma_desc_t *dp; -void auide_outl(u32 addr, unsigned long port) -{ - return (au_writel(addr, port)); + if(!put_source_flags(ahwif->tx_chan, (void*)addr, + count << 1, DDMA_FLAGS_NOIE)) { + printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); + return; + } + ctp = *((chan_tab_t **)ahwif->tx_chan); + dp = ctp->cur_ptr; + while (dp->dscr_cmd0 & DSCR_CMD0_V) + ; + ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); } -void auide_outsw(unsigned long port, void *addr, u32 count) -{ -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) - _auide_hwif *ahwif = &auide_hwif; - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - - if(!put_source_flags(ahwif->tx_chan, (void*)addr, - count << 1, DDMA_FLAGS_NOIE)) { - printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__); - return; - } - ctp = *((chan_tab_t **)ahwif->tx_chan); - dp = ctp->cur_ptr; - while (dp->dscr_cmd0 & DSCR_CMD0_V) - ; - ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); -#else - while (count--) - { - au_writew(*(u16 *)addr, port); - addr += 2; - } #endif -} - -void auide_outsl(unsigned long port, void *addr, u32 count) -{ - while (count--) - { - au_writel(*(u32 *)addr, port); - /* NOTE: For IDE interfaces over PCMCIA, - * 32-bit access does not work - */ - addr += 4; - } -} static void auide_tune_drive(ide_drive_t *drive, byte pio) { - int mem_sttime; - int mem_stcfg; - unsigned long flags; - u8 speed; - - /* get the best pio mode for the drive */ - pio = ide_get_best_pio_mode(drive, pio, 4, NULL); - - printk("%s: setting Au1XXX IDE to PIO mode%d\n", - drive->name, pio); - - spin_lock_irqsave(&ide_tune_drive_spin_lock, flags); - - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); - - /* set pio mode! */ - switch(pio) { - case 0: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_PIO0_TWCS - | SBC_IDE_PIO0_TCSH - | SBC_IDE_PIO0_TCSOFF - | SBC_IDE_PIO0_TWP - | SBC_IDE_PIO0_TCSW - | SBC_IDE_PIO0_TPM - | SBC_IDE_PIO0_TA; - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS; - - au_writel(mem_sttime,MEM_STTIME2); - au_writel(mem_stcfg,MEM_STCFG2); - break; - - case 1: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_PIO1_TWCS - | SBC_IDE_PIO1_TCSH - | SBC_IDE_PIO1_TCSOFF - | SBC_IDE_PIO1_TWP - | SBC_IDE_PIO1_TCSW - | SBC_IDE_PIO1_TPM - | SBC_IDE_PIO1_TA; - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS; - break; - - case 2: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_PIO2_TWCS - | SBC_IDE_PIO2_TCSH - | SBC_IDE_PIO2_TCSOFF - | SBC_IDE_PIO2_TWP - | SBC_IDE_PIO2_TCSW - | SBC_IDE_PIO2_TPM - | SBC_IDE_PIO2_TA; - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS; - break; - - case 3: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_PIO3_TWCS - | SBC_IDE_PIO3_TCSH - | SBC_IDE_PIO3_TCSOFF - | SBC_IDE_PIO3_TWP - | SBC_IDE_PIO3_TCSW - | SBC_IDE_PIO3_TPM - | SBC_IDE_PIO3_TA; - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS; - - break; - - case 4: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_PIO4_TWCS - | SBC_IDE_PIO4_TCSH - | SBC_IDE_PIO4_TCSOFF - | SBC_IDE_PIO4_TWP - | SBC_IDE_PIO4_TCSW - | SBC_IDE_PIO4_TPM - | SBC_IDE_PIO4_TA; - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS; - break; - } - - au_writel(mem_sttime,MEM_STTIME2); - au_writel(mem_stcfg,MEM_STCFG2); - - spin_unlock_irqrestore(&ide_tune_drive_spin_lock, flags); - - speed = pio + XFER_PIO_0; - ide_config_drive_speed(drive, speed); + int mem_sttime; + int mem_stcfg; + u8 speed; + + /* get the best pio mode for the drive */ + pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + + printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n", + drive->name, pio); + + mem_sttime = 0; + mem_stcfg = au_readl(MEM_STCFG2); + + /* set pio mode! */ + switch(pio) { + case 0: + mem_sttime = SBC_IDE_TIMING(PIO0); + + /* set configuration for RCS2# */ + mem_stcfg |= TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS; + break; + + case 1: + mem_sttime = SBC_IDE_TIMING(PIO1); + + /* set configuration for RCS2# */ + mem_stcfg |= TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS; + break; + + case 2: + mem_sttime = SBC_IDE_TIMING(PIO2); + + /* set configuration for RCS2# */ + mem_stcfg &= ~TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS; + break; + + case 3: + mem_sttime = SBC_IDE_TIMING(PIO3); + + /* set configuration for RCS2# */ + mem_stcfg &= ~TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS; + + break; + + case 4: + mem_sttime = SBC_IDE_TIMING(PIO4); + + /* set configuration for RCS2# */ + mem_stcfg &= ~TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS; + break; + } + + au_writel(mem_sttime,MEM_STTIME2); + au_writel(mem_stcfg,MEM_STCFG2); + + speed = pio + XFER_PIO_0; + ide_config_drive_speed(drive, speed); } static int auide_tune_chipset (ide_drive_t *drive, u8 speed) { - u8 mode = 0; - int mem_sttime; - int mem_stcfg; - unsigned long flags; + int mem_sttime; + int mem_stcfg; + unsigned long mode; + #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - struct hd_driveid *id = drive->id; - - /* - * Now see what the current drive is capable of, - * selecting UDMA only if the mate said it was ok. - */ - if (id && (id->capability & 1) && drive->autodma && - !__ide_dma_bad_drive(drive)) { - if (!mode && (id->field_valid & 2) && (id->dma_mword & 7)) { - if (id->dma_mword & 4) - mode = XFER_MW_DMA_2; - else if (id->dma_mword & 2) - mode = XFER_MW_DMA_1; - else if (id->dma_mword & 1) - mode = XFER_MW_DMA_0; - } - } + if (ide_use_dma(drive)) + mode = ide_dma_speed(drive, 0); #endif - spin_lock_irqsave(&ide_tune_chipset_spin_lock, flags); + mem_sttime = 0; + mem_stcfg = au_readl(MEM_STCFG2); - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); - - switch(speed) { - case XFER_PIO_4: - case XFER_PIO_3: - case XFER_PIO_2: - case XFER_PIO_1: - case XFER_PIO_0: - auide_tune_drive(drive, (speed - XFER_PIO_0)); - break; + if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) { + auide_tune_drive(drive, speed - XFER_PIO_0); + return 0; + } + + switch(speed) { #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - case XFER_MW_DMA_2: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_MDMA2_TWCS - | SBC_IDE_MDMA2_TCSH - | SBC_IDE_MDMA2_TCSOFF - | SBC_IDE_MDMA2_TWP - | SBC_IDE_MDMA2_TCSW - | SBC_IDE_MDMA2_TPM - | SBC_IDE_MDMA2_TA; - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS; - - mode = XFER_MW_DMA_2; - break; - case XFER_MW_DMA_1: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_MDMA1_TWCS - | SBC_IDE_MDMA1_TCSH - | SBC_IDE_MDMA1_TCSOFF - | SBC_IDE_MDMA1_TWP - | SBC_IDE_MDMA1_TCSW - | SBC_IDE_MDMA1_TPM - | SBC_IDE_MDMA1_TA; - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS; - - mode = XFER_MW_DMA_1; - break; - case XFER_MW_DMA_0: - /* set timing parameters for RCS2# */ - mem_sttime = SBC_IDE_MDMA0_TWCS - | SBC_IDE_MDMA0_TCSH - | SBC_IDE_MDMA0_TCSOFF - | SBC_IDE_MDMA0_TWP - | SBC_IDE_MDMA0_TCSW - | SBC_IDE_MDMA0_TPM - | SBC_IDE_MDMA0_TA; - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS; - - mode = XFER_MW_DMA_0; - break; + case XFER_MW_DMA_2: + mem_sttime = SBC_IDE_TIMING(MDMA2); + + /* set configuration for RCS2# */ + mem_stcfg &= ~TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS; + + mode = XFER_MW_DMA_2; + break; + case XFER_MW_DMA_1: + mem_sttime = SBC_IDE_TIMING(MDMA1); + + /* set configuration for RCS2# */ + mem_stcfg &= ~TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS; + + mode = XFER_MW_DMA_1; + break; + case XFER_MW_DMA_0: + mem_sttime = SBC_IDE_TIMING(MDMA0); + + /* set configuration for RCS2# */ + mem_stcfg |= TS_MASK; + mem_stcfg &= ~TCSOE_MASK; + mem_stcfg &= ~TOECS_MASK; + mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS; + + mode = XFER_MW_DMA_0; + break; #endif - default: - return 1; - } - - /* - * Tell the drive to switch to the new mode; abort on failure. - */ - if (!mode || ide_config_drive_speed(drive, mode)) - { - return 1; /* failure */ - } - - - au_writel(mem_sttime,MEM_STTIME2); - au_writel(mem_stcfg,MEM_STCFG2); + default: + return 1; + } + + if (ide_config_drive_speed(drive, mode)) + return 1; - spin_unlock_irqrestore(&ide_tune_chipset_spin_lock, flags); + au_writel(mem_sttime,MEM_STTIME2); + au_writel(mem_stcfg,MEM_STCFG2); - return 0; + return 0; } /* * Multi-Word DMA + DbDMA functions */ -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static int in_drive_list(struct hd_driveid *id, - const struct drive_list_entry *drive_table) -{ - for ( ; drive_table->id_model ; drive_table++){ - if ((!strcmp(drive_table->id_model, id->model)) && - ((strstr(drive_table->id_firmware, id->fw_rev)) || - (!strcmp(drive_table->id_firmware, "ALL"))) - ) - return 1; - } - return 0; -} +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA static int auide_build_sglist(ide_drive_t *drive, struct request *rq) { - ide_hwif_t *hwif = drive->hwif; - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; - struct scatterlist *sg = hwif->sg_table; + ide_hwif_t *hwif = drive->hwif; + _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; + struct scatterlist *sg = hwif->sg_table; - ide_map_sg(drive, rq); + ide_map_sg(drive, rq); - if (rq_data_dir(rq) == READ) - hwif->sg_dma_direction = DMA_FROM_DEVICE; - else - hwif->sg_dma_direction = DMA_TO_DEVICE; + if (rq_data_dir(rq) == READ) + hwif->sg_dma_direction = DMA_FROM_DEVICE; + else + hwif->sg_dma_direction = DMA_TO_DEVICE; - return dma_map_sg(ahwif->dev, sg, hwif->sg_nents, - hwif->sg_dma_direction); + return dma_map_sg(ahwif->dev, sg, hwif->sg_nents, + hwif->sg_dma_direction); } static int auide_build_dmatable(ide_drive_t *drive) { - int i, iswrite, count = 0; - ide_hwif_t *hwif = HWIF(drive); - - struct request *rq = HWGROUP(drive)->rq; - - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; - struct scatterlist *sg; - - iswrite = (rq_data_dir(rq) == WRITE); - /* Save for interrupt context */ - ahwif->drive = drive; - - /* Build sglist */ - hwif->sg_nents = i = auide_build_sglist(drive, rq); - - if (!i) - return 0; - - /* fill the descriptors */ - sg = hwif->sg_table; - while (i && sg_dma_len(sg)) { - u32 cur_addr; - u32 cur_len; - - cur_addr = sg_dma_address(sg); - cur_len = sg_dma_len(sg); - - while (cur_len) { - u32 flags = DDMA_FLAGS_NOIE; - unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00; - - if (++count >= PRD_ENTRIES) { - printk(KERN_WARNING "%s: DMA table too small\n", - drive->name); - goto use_pio_instead; - } - - /* Lets enable intr for the last descriptor only */ - if (1==i) - flags = DDMA_FLAGS_IE; - else - flags = DDMA_FLAGS_NOIE; - - if (iswrite) { - if(!put_source_flags(ahwif->tx_chan, - (void*)(page_address(sg->page) - + sg->offset), - tc, flags)) { - printk(KERN_ERR "%s failed %d\n", - __FUNCTION__, __LINE__); + int i, iswrite, count = 0; + ide_hwif_t *hwif = HWIF(drive); + + struct request *rq = HWGROUP(drive)->rq; + + _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; + struct scatterlist *sg; + + iswrite = (rq_data_dir(rq) == WRITE); + /* Save for interrupt context */ + ahwif->drive = drive; + + /* Build sglist */ + hwif->sg_nents = i = auide_build_sglist(drive, rq); + + if (!i) + return 0; + + /* fill the descriptors */ + sg = hwif->sg_table; + while (i && sg_dma_len(sg)) { + u32 cur_addr; + u32 cur_len; + + cur_addr = sg_dma_address(sg); + cur_len = sg_dma_len(sg); + + while (cur_len) { + u32 flags = DDMA_FLAGS_NOIE; + unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00; + + if (++count >= PRD_ENTRIES) { + printk(KERN_WARNING "%s: DMA table too small\n", + drive->name); + goto use_pio_instead; + } + + /* Lets enable intr for the last descriptor only */ + if (1==i) + flags = DDMA_FLAGS_IE; + else + flags = DDMA_FLAGS_NOIE; + + if (iswrite) { + if(!put_source_flags(ahwif->tx_chan, + (void*)(page_address(sg->page) + + sg->offset), + tc, flags)) { + printk(KERN_ERR "%s failed %d\n", + __FUNCTION__, __LINE__); } - } else + } else { - if(!put_dest_flags(ahwif->rx_chan, - (void*)(page_address(sg->page) - + sg->offset), - tc, flags)) { - printk(KERN_ERR "%s failed %d\n", - __FUNCTION__, __LINE__); + if(!put_dest_flags(ahwif->rx_chan, + (void*)(page_address(sg->page) + + sg->offset), + tc, flags)) { + printk(KERN_ERR "%s failed %d\n", + __FUNCTION__, __LINE__); } - } + } - cur_addr += tc; - cur_len -= tc; - } - sg++; - i--; - } + cur_addr += tc; + cur_len -= tc; + } + sg++; + i--; + } - if (count) - return 1; + if (count) + return 1; -use_pio_instead: - dma_unmap_sg(ahwif->dev, - hwif->sg_table, - hwif->sg_nents, - hwif->sg_dma_direction); + use_pio_instead: + dma_unmap_sg(ahwif->dev, + hwif->sg_table, + hwif->sg_nents, + hwif->sg_dma_direction); - return 0; /* revert to PIO for this request */ + return 0; /* revert to PIO for this request */ } static int auide_dma_end(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; + ide_hwif_t *hwif = HWIF(drive); + _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; - if (hwif->sg_nents) { - dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents, - hwif->sg_dma_direction); - hwif->sg_nents = 0; - } + if (hwif->sg_nents) { + dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents, + hwif->sg_dma_direction); + hwif->sg_nents = 0; + } - return 0; + return 0; } static void auide_dma_start(ide_drive_t *drive ) { -// printk("%s\n", __FUNCTION__); } -ide_startstop_t auide_dma_intr(ide_drive_t *drive) -{ - //printk("%s\n", __FUNCTION__); - - u8 stat = 0, dma_stat = 0; - - dma_stat = HWIF(drive)->ide_dma_end(drive); - stat = HWIF(drive)->INB(IDE_STATUS_REG); /* get drive status */ - if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) { - if (!dma_stat) { - struct request *rq = HWGROUP(drive)->rq; - - ide_end_request(drive, 1, rq->nr_sectors); - return ide_stopped; - } - printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n", - drive->name, dma_stat); - } - return ide_error(drive, "dma_intr", stat); -} static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command) { - //printk("%s\n", __FUNCTION__); - - /* issue cmd to drive */ - ide_execute_command(drive, command, &auide_dma_intr, - (2*WAIT_CMD), NULL); + /* issue cmd to drive */ + ide_execute_command(drive, command, &ide_dma_intr, + (2*WAIT_CMD), NULL); } static int auide_dma_setup(ide_drive_t *drive) -{ -// printk("%s\n", __FUNCTION__); - - if (drive->media != ide_disk) - return 1; - - if (!auide_build_dmatable(drive)) - /* try PIO instead of DMA */ - return 1; +{ + struct request *rq = HWGROUP(drive)->rq; - drive->waiting_for_dma = 1; + if (!auide_build_dmatable(drive)) { + ide_map_sg(drive, rq); + return 1; + } - return 0; + drive->waiting_for_dma = 1; + return 0; } static int auide_dma_check(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); + u8 speed; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - if( !dbdma_init_done ){ - auide_hwif.white_list = in_drive_list(drive->id, - dma_white_list); - auide_hwif.black_list = in_drive_list(drive->id, - dma_black_list); - auide_hwif.drive = drive; - auide_ddma_init(&auide_hwif); - dbdma_init_done = 1; - } + + if( dbdma_init_done == 0 ){ + auide_hwif.white_list = ide_in_drive_list(drive->id, + dma_white_list); + auide_hwif.black_list = ide_in_drive_list(drive->id, + dma_black_list); + auide_hwif.drive = drive; + auide_ddma_init(&auide_hwif); + dbdma_init_done = 1; + } #endif - /* Is the drive in our DMA black list? */ - if ( auide_hwif.black_list ) { - drive->using_dma = 0; - printk("%s found in dma_blacklist[]! Disabling DMA.\n", - drive->id->model); - } - else - drive->using_dma = 1; + /* Is the drive in our DMA black list? */ + + if ( auide_hwif.black_list ) { + drive->using_dma = 0; + + /* Borrowed the warning message from ide-dma.c */ - return HWIF(drive)->ide_dma_host_on(drive); + printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n", + drive->name, drive->id->model); + } + else + drive->using_dma = 1; + + speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA); + + if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) + return HWIF(drive)->ide_dma_on(drive); + + return HWIF(drive)->ide_dma_off_quietly(drive); } static int auide_dma_test_irq(ide_drive_t *drive) -{ -// printk("%s\n", __FUNCTION__); - - if (!drive->waiting_for_dma) - printk(KERN_WARNING "%s: ide_dma_test_irq \ +{ + if (drive->waiting_for_dma == 0) + printk(KERN_WARNING "%s: ide_dma_test_irq \ called while not waiting\n", drive->name); - /* If dbdma didn't execute the STOP command yet, the - * active bit is still set + /* If dbdma didn't execute the STOP command yet, the + * active bit is still set */ - drive->waiting_for_dma++; - if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) { - printk(KERN_WARNING "%s: timeout waiting for ddma to \ + drive->waiting_for_dma++; + if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) { + printk(KERN_WARNING "%s: timeout waiting for ddma to \ complete\n", drive->name); - return 1; - } - udelay(10); - return 0; + return 1; + } + udelay(10); + return 0; } static int auide_dma_host_on(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); - return 0; + return 0; } static int auide_dma_on(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); - drive->using_dma = 1; - return auide_dma_host_on(drive); + drive->using_dma = 1; + return auide_dma_host_on(drive); } static int auide_dma_host_off(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); - return 0; + return 0; } static int auide_dma_off_quietly(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); - drive->using_dma = 0; - return auide_dma_host_off(drive); + drive->using_dma = 0; + return auide_dma_host_off(drive); } static int auide_dma_lostirq(ide_drive_t *drive) { -// printk("%s\n", __FUNCTION__); - - printk(KERN_ERR "%s: IRQ lost\n", drive->name); - return 0; + printk(KERN_ERR "%s: IRQ lost\n", drive->name); + return 0; } static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs) { -// printk("%s\n", __FUNCTION__); - - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; - return; + _auide_hwif *ahwif = (_auide_hwif*)param; + ahwif->drive->waiting_for_dma = 0; } static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs) { -// printk("%s\n", __FUNCTION__); + _auide_hwif *ahwif = (_auide_hwif*)param; + ahwif->drive->waiting_for_dma = 0; +} + +#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; - return; +static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags) +{ + dev->dev_id = dev_id; + dev->dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; + dev->dev_intlevel = 0; + dev->dev_intpolarity = 0; + dev->dev_tsize = tsize; + dev->dev_devwidth = devwidth; + dev->dev_flags = flags; } + +#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) static int auide_dma_timeout(ide_drive_t *drive) { // printk("%s\n", __FUNCTION__); - printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); + printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); - if (HWIF(drive)->ide_dma_test_irq(drive)) - return 0; + if (HWIF(drive)->ide_dma_test_irq(drive)) + return 0; - return HWIF(drive)->ide_dma_end(drive); + return HWIF(drive)->ide_dma_end(drive); } -#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ + +static int auide_ddma_init(_auide_hwif *auide) { + + dbdev_tab_t source_dev_tab, target_dev_tab; + u32 dev_id, tsize, devwidth, flags; + ide_hwif_t *hwif = auide->hwif; -static int auide_ddma_init( _auide_hwif *auide ) -{ -// printk("%s\n", __FUNCTION__); + dev_id = AU1XXX_ATA_DDMA_REQ; - dbdev_tab_t source_dev_tab; -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - dbdev_tab_t target_dev_tab; - ide_hwif_t *hwif = auide->hwif; - char warning_output [2][80]; - int i; -#endif + if (auide->white_list || auide->black_list) { + tsize = 8; + devwidth = 32; + } + else { + tsize = 1; + devwidth = 16; + + printk(KERN_ERR "au1xxx-ide: %s is not on ide driver whitelist.\n",auide_hwif.drive->id->model); + printk(KERN_ERR " please read 'Documentation/mips/AU1xxx_IDE.README'"); + } - /* Add our custom device to DDMA device table */ - /* Create our new device entries in the table */ -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - source_dev_tab.dev_id = AU1XXX_ATA_DDMA_REQ; - - if( auide->white_list || auide->black_list ){ - source_dev_tab.dev_tsize = 8; - source_dev_tab.dev_devwidth = 32; - source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; - source_dev_tab.dev_intlevel = 0; - source_dev_tab.dev_intpolarity = 0; - - /* init device table for target - static bus controller - */ - target_dev_tab.dev_id = DSCR_CMD0_ALWAYS; - target_dev_tab.dev_tsize = 8; - target_dev_tab.dev_devwidth = 32; - target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; - target_dev_tab.dev_intlevel = 0; - target_dev_tab.dev_intpolarity = 0; - target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE; - } - else{ - source_dev_tab.dev_tsize = 1; - source_dev_tab.dev_devwidth = 16; - source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; - source_dev_tab.dev_intlevel = 0; - source_dev_tab.dev_intpolarity = 0; - - /* init device table for target - static bus controller - */ - target_dev_tab.dev_id = DSCR_CMD0_ALWAYS; - target_dev_tab.dev_tsize = 1; - target_dev_tab.dev_devwidth = 16; - target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; - target_dev_tab.dev_intlevel = 0; - target_dev_tab.dev_intpolarity = 0; - target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE; - - sprintf(&warning_output[0][0], - "%s is not on ide driver white list.", - auide_hwif.drive->id->model); - for ( i=strlen(&warning_output[0][0]) ; i<76; i++ ){ - sprintf(&warning_output[0][i]," "); - } - - sprintf(&warning_output[1][0], - "To add %s please read 'Documentation/mips/AU1xxx_IDE.README'.", - auide_hwif.drive->id->model); - for ( i=strlen(&warning_output[1][0]) ; i<76; i++ ){ - sprintf(&warning_output[1][i]," "); - } - - printk("\n****************************************"); - printk("****************************************\n"); - printk("* %s *\n",&warning_output[0][0]); - printk("* Switch to safe MWDMA Mode! "); - printk(" *\n"); - printk("* %s *\n",&warning_output[1][0]); - printk("****************************************"); - printk("****************************************\n\n"); - } +#ifdef IDE_AU1XXX_BURSTMODE + flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE; #else - source_dev_tab.dev_id = DSCR_CMD0_ALWAYS; - source_dev_tab.dev_tsize = 8; - source_dev_tab.dev_devwidth = 32; - source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR; - source_dev_tab.dev_intlevel = 0; - source_dev_tab.dev_intpolarity = 0; + flags = DEV_FLAGS_SYNC; #endif -#if CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON - /* set flags for tx channel */ - source_dev_tab.dev_flags = DEV_FLAGS_OUT - | DEV_FLAGS_SYNC - | DEV_FLAGS_BURSTABLE; - auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - /* set flags for rx channel */ - source_dev_tab.dev_flags = DEV_FLAGS_IN - | DEV_FLAGS_SYNC - | DEV_FLAGS_BURSTABLE; - auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); + /* setup dev_tab for tx channel */ + auide_init_dbdma_dev( &source_dev_tab, + dev_id, + tsize, devwidth, DEV_FLAGS_OUT | flags); + auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); + + auide_init_dbdma_dev( &source_dev_tab, + dev_id, + tsize, devwidth, DEV_FLAGS_IN | flags); + auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); + + /* We also need to add a target device for the DMA */ + auide_init_dbdma_dev( &target_dev_tab, + (u32)DSCR_CMD0_ALWAYS, + tsize, devwidth, DEV_FLAGS_ANYUSE); + auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab); + + /* Get a channel for TX */ + auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id, + auide->tx_dev_id, + auide_ddma_tx_callback, + (void*)auide); + + /* Get a channel for RX */ + auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, + auide->target_dev_id, + auide_ddma_rx_callback, + (void*)auide); + + auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan, + NUM_DESCRIPTORS); + auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, + NUM_DESCRIPTORS); + + hwif->dmatable_cpu = dma_alloc_coherent(auide->dev, + PRD_ENTRIES * PRD_BYTES, /* 1 Page */ + &hwif->dmatable_dma, GFP_KERNEL); + + au1xxx_dbdma_start( auide->tx_chan ); + au1xxx_dbdma_start( auide->rx_chan ); + + return 0; +} #else - /* set flags for tx channel */ - source_dev_tab.dev_flags = DEV_FLAGS_OUT | DEV_FLAGS_SYNC; - auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - /* set flags for rx channel */ - source_dev_tab.dev_flags = DEV_FLAGS_IN | DEV_FLAGS_SYNC; - auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); -#endif + +static int auide_ddma_init( _auide_hwif *auide ) +{ + dbdev_tab_t source_dev_tab; + int flags; -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - - auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab); - - /* Get a channel for TX */ - auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id, - auide->tx_dev_id, - auide_ddma_tx_callback, - (void*)auide); - /* Get a channel for RX */ - auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, - auide->target_dev_id, - auide_ddma_rx_callback, - (void*)auide); -#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */ - /* - * Note: if call back is not enabled, update ctp->cur_ptr manually - */ - auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS, - auide->tx_dev_id, - NULL, - (void*)auide); - auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, - DSCR_CMD0_ALWAYS, - NULL, - (void*)auide); +#ifdef IDE_AU1XXX_BURSTMODE + flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE; +#else + flags = DEV_FLAGS_SYNC; #endif - auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan, - NUM_DESCRIPTORS); - auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, - NUM_DESCRIPTORS); -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - hwif->dmatable_cpu = dma_alloc_coherent(auide->dev, - PRD_ENTRIES * PRD_BYTES, /* 1 Page */ - &hwif->dmatable_dma, GFP_KERNEL); - - auide->sg_table = kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES, - GFP_KERNEL|GFP_DMA); - if (auide->sg_table == NULL) { - return -ENOMEM; - } -#endif - au1xxx_dbdma_start( auide->tx_chan ); - au1xxx_dbdma_start( auide->rx_chan ); - return 0; + /* setup dev_tab for tx channel */ + auide_init_dbdma_dev( &source_dev_tab, + (u32)DSCR_CMD0_ALWAYS, + 8, 32, DEV_FLAGS_OUT | flags); + auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); + + auide_init_dbdma_dev( &source_dev_tab, + (u32)DSCR_CMD0_ALWAYS, + 8, 32, DEV_FLAGS_IN | flags); + auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); + + /* Get a channel for TX */ + auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS, + auide->tx_dev_id, + NULL, + (void*)auide); + + /* Get a channel for RX */ + auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, + DSCR_CMD0_ALWAYS, + NULL, + (void*)auide); + + auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan, + NUM_DESCRIPTORS); + auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, + NUM_DESCRIPTORS); + + au1xxx_dbdma_start( auide->tx_chan ); + au1xxx_dbdma_start( auide->rx_chan ); + + return 0; } +#endif static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) { - int i; -#define ide_ioreg_t unsigned long - ide_ioreg_t *ata_regs = hw->io_ports; - - /* fixme */ - for (i = 0; i < IDE_CONTROL_OFFSET; i++) { - *ata_regs++ = (ide_ioreg_t) ahwif->regbase - + (ide_ioreg_t)(i << AU1XXX_ATA_REG_OFFSET); - } - - /* set the Alternative Status register */ - *ata_regs = (ide_ioreg_t) ahwif->regbase - + (ide_ioreg_t)(14 << AU1XXX_ATA_REG_OFFSET); + int i; + unsigned long *ata_regs = hw->io_ports; + + /* FIXME? */ + for (i = 0; i < IDE_CONTROL_OFFSET; i++) { + *ata_regs++ = ahwif->regbase + (i << AU1XXX_ATA_REG_OFFSET); + } + + /* set the Alternative Status register */ + *ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET); } static int au_ide_probe(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - _auide_hwif *ahwif = &auide_hwif; - ide_hwif_t *hwif; + _auide_hwif *ahwif = &auide_hwif; + ide_hwif_t *hwif; struct resource *res; int ret = 0; #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - char *mode = "MWDMA2"; + char *mode = "MWDMA2"; #elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) - char *mode = "PIO+DDMA(offload)"; + char *mode = "PIO+DDMA(offload)"; #endif - memset(&auide_hwif, 0, sizeof(_auide_hwif)); - auide_hwif.dev = 0; + memset(&auide_hwif, 0, sizeof(_auide_hwif)); + auide_hwif.dev = 0; ahwif->dev = dev; ahwif->irq = platform_get_irq(pdev, 0); @@ -902,11 +675,11 @@ static int au_ide_probe(struct device *dev) goto out; } - if (!request_mem_region (res->start, res->end-res->start, pdev->name)) { + if (!request_mem_region (res->start, res->end-res->start, pdev->name)) { pr_debug("%s: request_mem_region failed\n", DRV_NAME); - ret = -EBUSY; + ret = -EBUSY; goto out; - } + } ahwif->regbase = (u32)ioremap(res->start, res->end-res->start); if (ahwif->regbase == 0) { @@ -914,130 +687,92 @@ static int au_ide_probe(struct device *dev) goto out; } - hwif = &ide_hwifs[pdev->id]; + /* FIXME: This might possibly break PCMCIA IDE devices */ + + hwif = &ide_hwifs[pdev->id]; hw_regs_t *hw = &hwif->hw; - hwif->irq = hw->irq = ahwif->irq; - hwif->chipset = ide_au1xxx; + hwif->irq = hw->irq = ahwif->irq; + hwif->chipset = ide_au1xxx; - auide_setup_ports(hw, ahwif); + auide_setup_ports(hw, ahwif); memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports)); -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ - hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ; - hwif->rqsize = ((hwif->rqsize > AU1XXX_ATA_RQSIZE) - || (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize; -#else /* if kernel config is not set */ - hwif->rqsize = AU1XXX_ATA_RQSIZE; -#endif - - hwif->ultra_mask = 0x0; /* Disable Ultra DMA */ + hwif->ultra_mask = 0x0; /* Disable Ultra DMA */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */ - hwif->swdma_mask = 0x07; + hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */ + hwif->swdma_mask = 0x00; #else - hwif->mwdma_mask = 0x0; - hwif->swdma_mask = 0x0; + hwif->mwdma_mask = 0x0; + hwif->swdma_mask = 0x0; +#endif + + hwif->noprobe = 0; + hwif->drives[0].unmask = 1; + hwif->drives[1].unmask = 1; + + /* hold should be on in all cases */ + hwif->hold = 1; + hwif->mmio = 2; + + /* If the user has selected DDMA assisted copies, + then set up a few local I/O function entry points + */ + +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA + hwif->INSW = auide_insw; + hwif->OUTSW = auide_outsw; #endif - //hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET]; - hwif->noprobe = 0; - hwif->drives[0].unmask = 1; - hwif->drives[1].unmask = 1; - - /* hold should be on in all cases */ - hwif->hold = 1; - hwif->mmio = 2; - - /* set up local I/O function entry points */ - hwif->INB = auide_inb; - hwif->INW = auide_inw; - hwif->INL = auide_inl; - hwif->INSW = auide_insw; - hwif->INSL = auide_insl; - hwif->OUTB = auide_outb; - hwif->OUTBSYNC = auide_outbsync; - hwif->OUTW = auide_outw; - hwif->OUTL = auide_outl; - hwif->OUTSW = auide_outsw; - hwif->OUTSL = auide_outsl; - - hwif->tuneproc = &auide_tune_drive; - hwif->speedproc = &auide_tune_chipset; + + hwif->tuneproc = &auide_tune_drive; + hwif->speedproc = &auide_tune_chipset; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - hwif->ide_dma_off_quietly = &auide_dma_off_quietly; - hwif->ide_dma_timeout = &auide_dma_timeout; - - hwif->ide_dma_check = &auide_dma_check; - hwif->dma_exec_cmd = &auide_dma_exec_cmd; - hwif->dma_start = &auide_dma_start; - hwif->ide_dma_end = &auide_dma_end; - hwif->dma_setup = &auide_dma_setup; - hwif->ide_dma_test_irq = &auide_dma_test_irq; - hwif->ide_dma_host_off = &auide_dma_host_off; - hwif->ide_dma_host_on = &auide_dma_host_on; - hwif->ide_dma_lostirq = &auide_dma_lostirq; - hwif->ide_dma_on = &auide_dma_on; - - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; - hwif->atapi_dma = 1; - hwif->drives[0].using_dma = 1; - hwif->drives[1].using_dma = 1; + hwif->ide_dma_off_quietly = &auide_dma_off_quietly; + hwif->ide_dma_timeout = &auide_dma_timeout; + + hwif->ide_dma_check = &auide_dma_check; + hwif->dma_exec_cmd = &auide_dma_exec_cmd; + hwif->dma_start = &auide_dma_start; + hwif->ide_dma_end = &auide_dma_end; + hwif->dma_setup = &auide_dma_setup; + hwif->ide_dma_test_irq = &auide_dma_test_irq; + hwif->ide_dma_host_off = &auide_dma_host_off; + hwif->ide_dma_host_on = &auide_dma_host_on; + hwif->ide_dma_lostirq = &auide_dma_lostirq; + hwif->ide_dma_on = &auide_dma_on; + + hwif->autodma = 1; + hwif->drives[0].autodma = hwif->autodma; + hwif->drives[1].autodma = hwif->autodma; + hwif->atapi_dma = 1; + #else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ - hwif->autodma = 0; - hwif->channel = 0; - hwif->hold = 1; - hwif->select_data = 0; /* no chipset-specific code */ - hwif->config_data = 0; /* no chipset-specific code */ - - hwif->drives[0].autodma = 0; - hwif->drives[0].drive_data = 0; /* no drive data */ - hwif->drives[0].using_dma = 0; - hwif->drives[0].waiting_for_dma = 0; - hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */ - /* secondary hdd not supported */ - hwif->drives[1].autodma = 0; - - hwif->drives[1].drive_data = 0; - hwif->drives[1].using_dma = 0; - hwif->drives[1].waiting_for_dma = 0; - hwif->drives[1].autotune = 2; /* 1=autotune, 2=noautotune, 0=default */ -#endif - hwif->drives[0].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ - hwif->drives[1].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ - - /*Register Driver with PM Framework*/ -#ifdef CONFIG_PM - auide_hwif.pm.lock = SPIN_LOCK_UNLOCKED; - auide_hwif.pm.stopped = 0; - - auide_hwif.pm.dev = new_au1xxx_power_device( "ide", - &au1200ide_pm_callback, - NULL); - if ( auide_hwif.pm.dev == NULL ) - printk(KERN_INFO "Unable to create a power management \ - device entry for the au1200-IDE.\n"); - else - printk(KERN_INFO "Power management device entry for the \ - au1200-IDE loaded.\n"); + hwif->autodma = 0; + hwif->channel = 0; + hwif->hold = 1; + hwif->select_data = 0; /* no chipset-specific code */ + hwif->config_data = 0; /* no chipset-specific code */ + + hwif->drives[0].autodma = 0; + hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */ #endif + hwif->drives[0].no_io_32bit = 1; - auide_hwif.hwif = hwif; - hwif->hwif_data = &auide_hwif; + auide_hwif.hwif = hwif; + hwif->hwif_data = &auide_hwif; -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - auide_ddma_init(&auide_hwif); - dbdma_init_done = 1; +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA + auide_ddma_init(&auide_hwif); + dbdma_init_done = 1; #endif probe_hwif_init(hwif); dev_set_drvdata(dev, hwif); - printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); + printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); -out: - return ret; + out: + return ret; } static int au_ide_remove(struct device *dev) @@ -1045,7 +780,7 @@ static int au_ide_remove(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct resource *res; ide_hwif_t *hwif = dev_get_drvdata(dev); - _auide_hwif *ahwif = &auide_hwif; + _auide_hwif *ahwif = &auide_hwif; ide_unregister(hwif - ide_hwifs); @@ -1069,180 +804,11 @@ static int __init au_ide_init(void) return driver_register(&au1200_ide_driver); } -static void __init au_ide_exit(void) +static void __exit au_ide_exit(void) { driver_unregister(&au1200_ide_driver); } -#ifdef CONFIG_PM -int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\ - au1xxx_request_t request, void *data) { - - unsigned int d, err = 0; - unsigned long flags; - - spin_lock_irqsave(auide_hwif.pm.lock, flags); - - switch (request){ - case AU1XXX_PM_SLEEP: - err = au1xxxide_pm_sleep(dev); - break; - case AU1XXX_PM_WAKEUP: - d = *((unsigned int*)data); - if ( d > 0 && d <= 99) { - err = au1xxxide_pm_standby(dev); - } - else { - err = au1xxxide_pm_resume(dev); - } - break; - case AU1XXX_PM_GETSTATUS: - err = au1xxxide_pm_getstatus(dev); - break; - case AU1XXX_PM_ACCESS: - err = au1xxxide_pm_access(dev); - break; - case AU1XXX_PM_IDLE: - err = au1xxxide_pm_idle(dev); - break; - case AU1XXX_PM_CLEANUP: - err = au1xxxide_pm_cleanup(dev); - break; - default: - err = -1; - break; - } - - spin_unlock_irqrestore(auide_hwif.pm.lock, flags); - - return err; -} - -static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) { - return 0; -} - -static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) { - - int retval; - ide_hwif_t *hwif = auide_hwif.hwif; - struct request rq; - struct request_pm_state rqpm; - ide_task_t args; - - if(auide_hwif.pm.stopped) - return -1; - - /* - * wait until hard disc is ready - */ - if ( wait_for_ready(&hwif->drives[0], 35000) ) { - printk("Wait for drive sleep timeout!\n"); - retval = -1; - } - - /* - * sequenz to tell the high level ide driver that pm is resuming - */ - memset(&rq, 0, sizeof(rq)); - memset(&rqpm, 0, sizeof(rqpm)); - memset(&args, 0, sizeof(args)); - rq.flags = REQ_PM_SUSPEND; - rq.special = &args; - rq.pm = &rqpm; - rqpm.pm_step = ide_pm_state_start_suspend; - rqpm.pm_state = PMSG_SUSPEND; - - retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait); - - if (wait_for_ready (&hwif->drives[0], 35000)) { - printk("Wait for drive sleep timeout!\n"); - retval = -1; - } - - /* - * stop dbdma channels - */ - au1xxx_dbdma_reset(auide_hwif.tx_chan); - au1xxx_dbdma_reset(auide_hwif.rx_chan); - - auide_hwif.pm.stopped = 1; - - return retval; -} - -static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) { - - int retval; - ide_hwif_t *hwif = auide_hwif.hwif; - struct request rq; - struct request_pm_state rqpm; - ide_task_t args; - - if(!auide_hwif.pm.stopped) - return -1; - - /* - * start dbdma channels - */ - au1xxx_dbdma_start(auide_hwif.tx_chan); - au1xxx_dbdma_start(auide_hwif.rx_chan); - - /* - * wait until hard disc is ready - */ - if (wait_for_ready ( &hwif->drives[0], 35000)) { - printk("Wait for drive wake up timeout!\n"); - retval = -1; - } - - /* - * sequenz to tell the high level ide driver that pm is resuming - */ - memset(&rq, 0, sizeof(rq)); - memset(&rqpm, 0, sizeof(rqpm)); - memset(&args, 0, sizeof(args)); - rq.flags = REQ_PM_RESUME; - rq.special = &args; - rq.pm = &rqpm; - rqpm.pm_step = ide_pm_state_start_resume; - rqpm.pm_state = PMSG_ON; - - retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait); - - /* - * wait for hard disc - */ - if ( wait_for_ready(&hwif->drives[0], 35000) ) { - printk("Wait for drive wake up timeout!\n"); - retval = -1; - } - - auide_hwif.pm.stopped = 0; - - return retval; -} - -static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) { - return dev->cur_state; -} - -static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) { - if (dev->cur_state != AWAKE_STATE) - return 0; - else - return -1; -} - -static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) { - return 0; -} - -static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) { - return 0; -} -#endif /* CONFIG_PM */ - MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AU1200 IDE driver"); diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index af526b671c4..4ee597d0879 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d) ide_hwif_t *hwif; int h; + /* + * Find an empty HWIF; if none available, return -ENOMEM. + */ for (h = 0; h < MAX_HWIFS; ++h) { hwif = &ide_hwifs[h]; - /* Find an empty HWIF */ if (hwif->chipset == ide_unknown) break; } + if (h == MAX_HWIFS) { + printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name); + return -ENOMEM; + } /* Get the CmdBlk and CtrlBlk Base Registers */ base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET; diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 7161ce0ef5a..86fb1e0286d 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -80,6 +80,7 @@ static struct via_isa_bridge { u16 flags; } via_isa_bridges[] = { { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, + { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4acc7fd4cd0..4f41ec3e433 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -42,7 +42,7 @@ static struct alps_model_info alps_model_data[] = { { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, - { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, 0 }, + { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index b586a83a9b4..eb41391e06e 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -679,7 +679,15 @@ static void mmc_idle_cards(struct mmc_host *host) } /* - * Apply power to the MMC stack. + * Apply power to the MMC stack. This is a two-stage process. + * First, we enable power to the card without the clock running. + * We then wait a bit for the power to stabilise. Finally, + * enable the bus drivers and clock to the card. + * + * We must _NOT_ enable the clock prior to power stablising. + * + * If a host does all the power sequencing itself, ignore the + * initial MMC_POWER_UP stage. */ static void mmc_power_up(struct mmc_host *host) { diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 8bec0438dc8..5b0edd1f192 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.h +++ b/drivers/scsi/ibmvscsi/ibmvscsi.h @@ -100,7 +100,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, void ibmvscsi_release_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata, int max_requests); -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata); void ibmvscsi_handle_crq(struct viosrp_crq *crq, diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c index 1045872b017..ce15d9e3962 100644 --- a/drivers/scsi/ibmvscsi/iseries_vscsi.c +++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c @@ -117,9 +117,10 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue, * * no-op for iSeries */ -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata) { + return 0; } /** diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c index 8bf5652f106..75db2f5c545 100644 --- a/drivers/scsi/ibmvscsi/rpa_vscsi.c +++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c @@ -230,6 +230,11 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, rc = plpar_hcall_norets(H_REG_CRQ, vdev->unit_address, queue->msg_token, PAGE_SIZE); + if (rc == H_Resource) + /* maybe kexecing and resource is busy. try a reset */ + rc = ibmvscsi_reset_crq_queue(queue, + hostdata); + if (rc == 2) { /* Adapter is good, but other end is not ready */ printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n"); @@ -281,7 +286,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue, * @hostdata: ibmvscsi_host_data of host * */ -void ibmvscsi_reset_crq_queue(struct crq_queue *queue, +int ibmvscsi_reset_crq_queue(struct crq_queue *queue, struct ibmvscsi_host_data *hostdata) { int rc; @@ -309,4 +314,5 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue, printk(KERN_WARNING "ibmvscsi: couldn't register crq--rc 0x%x\n", rc); } + return rc; } diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index f9792528e33..578143e93a6 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -664,7 +664,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) sg->offset; } else buf = cmd->request_buffer; - memset(cmd->request_buffer, 0, cmd->cmnd[4]); + memset(buf, 0, cmd->cmnd[4]); if (cmd->use_sg) { struct scatterlist *sg; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 7096945ea23..7b3efd53129 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2476,17 +2476,9 @@ typedef struct scsi_qla_host { */ #define LOOP_TRANSITION(ha) \ (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) - -#define LOOP_NOT_READY(ha) \ - ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \ - test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \ - test_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) || \ + test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \ atomic_read(&ha->loop_state) == LOOP_DOWN) -#define LOOP_RDY(ha) (!LOOP_NOT_READY(ha)) - #define TGT_Q(ha, t) (ha->otgt[t]) #define to_qla_host(x) ((scsi_qla_host_t *) (x)->hostdata) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2d720121a0d..c46d2469b85 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1259,7 +1259,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha) rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa, &area, &domain, &topo); if (rval != QLA_SUCCESS) { - if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) || + if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { DEBUG2(printk("%s(%ld) Loop is in a transition state\n", __func__, ha->host_no)); @@ -1796,7 +1796,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha) } if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { - if (LOOP_NOT_READY(ha)) { + if (LOOP_TRANSITION(ha)) { rval = QLA_FUNCTION_FAILED; } else { rval = qla2x00_configure_fabric(ha); @@ -2369,7 +2369,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) if (qla2x00_is_reserved_id(ha, loop_id)) continue; - if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha)) + if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) break; if (swl != NULL) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 09afc0f06bd..5181d966fec 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) resid = resid_len; cp->resid = resid; CMD_RESID_LEN(cp) = resid; + + if (!lscsi_status && + ((unsigned)(cp->request_bufflen - resid) < + cp->underflow)) { + qla_printk(KERN_INFO, ha, + "scsi(%ld:%d:%d:%d): Mid-layer underflow " + "detected (%x of %x bytes)...returning " + "error status.\n", ha->host_no, + cp->device->channel, cp->device->id, + cp->device->lun, resid, + cp->request_bufflen); + + cp->result = DID_ERROR << 16; + break; + } } cp->result = DID_OK << 16 | lscsi_status; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 18c5d252301..c0ae9e965f6 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -422,10 +422,15 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) **/ static void scsi_eh_done(struct scsi_cmnd *scmd) { + struct completion *eh_action; + SCSI_LOG_ERROR_RECOVERY(3, printk("%s scmd: %p result: %x\n", __FUNCTION__, scmd, scmd->result)); - complete(scmd->device->host->eh_action); + + eh_action = scmd->device->host->eh_action; + if (eh_action) + complete(eh_action); } /** diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ce9d73a292e..dc249cb970e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1085,6 +1085,26 @@ static void scsi_generic_done(struct scsi_cmnd *cmd) scsi_io_completion(cmd, cmd->result == 0 ? cmd->bufflen : 0, 0); } +void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries) +{ + struct request *req = cmd->request; + + BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); + memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); + cmd->cmd_len = req->cmd_len; + if (!req->data_len) + cmd->sc_data_direction = DMA_NONE; + else if (rq_data_dir(req) == WRITE) + cmd->sc_data_direction = DMA_TO_DEVICE; + else + cmd->sc_data_direction = DMA_FROM_DEVICE; + + cmd->transfersize = req->data_len; + cmd->allowed = retries; + cmd->timeout_per_command = req->timeout; +} +EXPORT_SYMBOL_GPL(scsi_setup_blk_pc_cmnd); + static int scsi_prep_fn(struct request_queue *q, struct request *req) { struct scsi_device *sdev = q->queuedata; @@ -1220,18 +1240,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req) goto kill; } } else { - memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); - cmd->cmd_len = req->cmd_len; - if (rq_data_dir(req) == WRITE) - cmd->sc_data_direction = DMA_TO_DEVICE; - else if (req->data_len) - cmd->sc_data_direction = DMA_FROM_DEVICE; - else - cmd->sc_data_direction = DMA_NONE; - - cmd->transfersize = req->data_len; - cmd->allowed = 3; - cmd->timeout_per_command = req->timeout; + scsi_setup_blk_pc_cmnd(cmd, 3); cmd->done = scsi_generic_done; } } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8613a131771..03fcbab3003 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -245,24 +245,10 @@ static int sd_init_command(struct scsi_cmnd * SCpnt) * SG_IO from block layer already setup, just copy cdb basically */ if (blk_pc_request(rq)) { - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else if (rq->data_len) - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - else - SCpnt->sc_data_direction = DMA_NONE; - - this_count = rq->data_len; + scsi_setup_blk_pc_cmnd(SCpnt, SD_PASSTHROUGH_RETRIES); if (rq->timeout) timeout = rq->timeout; - SCpnt->transfersize = rq->data_len; - SCpnt->allowed = SD_PASSTHROUGH_RETRIES; goto queue; } diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index d68cea753bb..fb4012b5c18 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -320,25 +320,11 @@ static int sr_init_command(struct scsi_cmnd * SCpnt) * these are already setup, just copy cdb basically */ if (SCpnt->request->flags & REQ_BLOCK_PC) { - struct request *rq = SCpnt->request; + scsi_setup_blk_pc_cmnd(SCpnt, MAX_RETRIES); - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - if (!rq->data_len) - SCpnt->sc_data_direction = DMA_NONE; - else if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - - this_count = rq->data_len; - if (rq->timeout) - timeout = rq->timeout; + if (SCpnt->timeout_per_command) + timeout = SCpnt->timeout_per_command; - SCpnt->transfersize = rq->data_len; goto queue; } diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 7ac6ea141ff..dd592f6a252 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt) */ static int st_init_command(struct scsi_cmnd *SCpnt) { - struct request *rq; - if (!(SCpnt->request->flags & REQ_BLOCK_PC)) return 0; - rq = SCpnt->request; - if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd)) - return 0; - - memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd)); - SCpnt->cmd_len = rq->cmd_len; - - if (rq_data_dir(rq) == WRITE) - SCpnt->sc_data_direction = DMA_TO_DEVICE; - else if (rq->data_len) - SCpnt->sc_data_direction = DMA_FROM_DEVICE; - else - SCpnt->sc_data_direction = DMA_NONE; - - SCpnt->timeout_per_command = rq->timeout; - SCpnt->transfersize = rq->data_len; + scsi_setup_blk_pc_cmnd(SCpnt, 0); SCpnt->done = st_intr; return 1; } diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index a7420cad454..1564ca203a3 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -1405,7 +1405,6 @@ static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget, goal->iu = 0; goal->dt = 0; goal->qas = 0; - goal->period = 0; goal->offset = 0; return; } @@ -1465,7 +1464,8 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp * Many devices implement PPR in a buggy way, so only use it if we * really want to. */ - if (goal->iu || goal->dt || goal->qas || (goal->period < 0xa)) { + if (goal->offset && + (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) { nego = NS_PPR; } else if (spi_width(starget) != goal->width) { nego = NS_WIDE; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 0a044ad9888..a5e3a0ddbe5 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -32,6 +32,7 @@ void reiserfs_delete_inode(struct inode *inode) JOURNAL_PER_BALANCE_CNT * 2 + 2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb); struct reiserfs_transaction_handle th; + int err; truncate_inode_pages(&inode->i_data, 0); @@ -49,15 +50,13 @@ void reiserfs_delete_inode(struct inode *inode) } reiserfs_update_inode_transaction(inode); - if (reiserfs_delete_object(&th, inode)) { - up(&inode->i_sem); - goto out; - } + err = reiserfs_delete_object(&th, inode); /* Do quota update inside a transaction for journaled quotas. We must do that * after delete_object so that quota updates go into the same transaction as * stat data deletion */ - DQUOT_FREE_INODE(inode); + if (!err) + DQUOT_FREE_INODE(inode); if (journal_end(&th, inode->i_sb, jbegin_count)) { up(&inode->i_sem); @@ -66,6 +65,12 @@ void reiserfs_delete_inode(struct inode *inode) up(&inode->i_sem); + /* check return value from reiserfs_delete_object after + * ending the transaction + */ + if (err) + goto out; + /* all items of file are deleted, so we can remove "save" link */ remove_save_link(inode, 0 /* not truncate */ ); /* we can't do anything * about an error here */ @@ -2099,6 +2104,7 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps) struct page *page = NULL; int error; struct buffer_head *bh = NULL; + int err2; reiserfs_write_lock(p_s_inode->i_sb); @@ -2136,14 +2142,18 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps) transaction of truncating gets committed - on reboot the file either appears truncated properly or not truncated at all */ add_save_link(&th, p_s_inode, 1); - error = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps); - if (error) - goto out; + err2 = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps); error = journal_end(&th, p_s_inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1); if (error) goto out; + /* check reiserfs_do_truncate after ending the transaction */ + if (err2) { + error = err2; + goto out; + } + if (update_timestamps) { error = remove_save_link(p_s_inode, 1 /* truncate */ ); if (error) diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 68b7b78638f..3f17ef844fb 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1039,6 +1039,10 @@ static int flush_commit_list(struct super_block *s, } atomic_dec(&journal->j_async_throttle); + /* We're skipping the commit if there's an error */ + if (retval || reiserfs_is_journal_aborted(journal)) + barrier = 0; + /* wait on everything written so far before writing the commit * if we are in barrier mode, send the commit down now */ @@ -1077,10 +1081,16 @@ static int flush_commit_list(struct super_block *s, BUG_ON(atomic_read(&(jl->j_commit_left)) != 1); if (!barrier) { - if (buffer_dirty(jl->j_commit_bh)) - BUG(); - mark_buffer_dirty(jl->j_commit_bh); - sync_dirty_buffer(jl->j_commit_bh); + /* If there was a write error in the journal - we can't commit + * this transaction - it will be invalid and, if successful, + * will just end up propogating the write error out to + * the file system. */ + if (likely(!retval && !reiserfs_is_journal_aborted (journal))) { + if (buffer_dirty(jl->j_commit_bh)) + BUG(); + mark_buffer_dirty(jl->j_commit_bh) ; + sync_dirty_buffer(jl->j_commit_bh) ; + } } else wait_on_buffer(jl->j_commit_bh); diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h index 7da97a93754..2d44b42d184 100644 --- a/include/asm-arm/elf.h +++ b/include/asm-arm/elf.h @@ -22,6 +22,8 @@ typedef unsigned long elf_freg_t[3]; #define R_ARM_NONE 0 #define R_ARM_PC24 1 #define R_ARM_ABS32 2 +#define R_ARM_CALL 28 +#define R_ARM_JUMP24 29 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h index 33d275c3b84..e867b4ef96d 100644 --- a/include/asm-mips/mach-au1x00/au1xxx_ide.h +++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h @@ -74,9 +74,6 @@ typedef struct u8 white_list, black_list; struct dbdma_cmd *dma_table_cpu; dma_addr_t dma_table_dma; - struct scatterlist *sg_table; - int sg_nents; - int sg_dma_direction; #endif struct device *dev; int irq; @@ -87,11 +84,6 @@ typedef struct } _auide_hwif; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -struct drive_list_entry { - const char * id_model; - const char * id_firmware; -}; - /* HD white list */ static const struct drive_list_entry dma_white_list [] = { /* @@ -167,13 +159,9 @@ int __init auide_probe(void); * Multi-Word DMA + DbDMA functions */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - - static int in_drive_list(struct hd_driveid *id, - const struct drive_list_entry *drive_table); static int auide_build_sglist(ide_drive_t *drive, struct request *rq); static int auide_build_dmatable(ide_drive_t *drive); static int auide_dma_end(ide_drive_t *drive); - static void auide_dma_start(ide_drive_t *drive ); ide_startstop_t auide_dma_intr (ide_drive_t *drive); static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command); static int auide_dma_setup(ide_drive_t *drive); @@ -188,8 +176,6 @@ int __init auide_probe(void); static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs); static int auide_dma_off_quietly(ide_drive_t *drive); - static int auide_dma_timeout(ide_drive_t *drive); - #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ /******************************************************************************* @@ -299,3 +285,11 @@ int __init auide_probe(void); #define SBC_IDE_MDMA2_TPM (0x00<<6) #define SBC_IDE_MDMA2_TA (0x12<<0) +#define SBC_IDE_TIMING(mode) \ + SBC_IDE_##mode##_TWCS | \ + SBC_IDE_##mode##_TCSH | \ + SBC_IDE_##mode##_TCSOFF | \ + SBC_IDE_##mode##_TWP | \ + SBC_IDE_##mode##_TCSW | \ + SBC_IDE_##mode##_TPM | \ + SBC_IDE_##mode##_TA diff --git a/include/linux/ide.h b/include/linux/ide.h index a39c3c59789..7b6a6a58e46 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -23,17 +23,6 @@ #include <asm/io.h> #include <asm/semaphore.h> -/* - * This is the multiple IDE interface driver, as evolved from hd.c. - * It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15). - * There can be up to two drives per interface, as per the ATA-2 spec. - * - * Primary i/f: ide0: major=3; (hda) minor=0; (hdb) minor=64 - * Secondary i/f: ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64 - * Tertiary i/f: ide2: major=33; (hde) minor=0; (hdf) minor=64 - * Quaternary i/f: ide3: major=34; (hdg) minor=0; (hdh) minor=64 - */ - /****************************************************************************** * IDE driver configuration options (play with these as desired): * @@ -193,11 +182,6 @@ typedef unsigned char byte; /* used everywhere */ #define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */ #define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ -#define HOST(hwif,chipset) \ -{ \ - return ((hwif)->chipset == chipset) ? 1 : 0; \ -} - /* * Check for an interrupt and acknowledge the interrupt status */ @@ -391,45 +375,6 @@ typedef union { } ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t; /* - * ATA-IDE Error Register - * - * mark : Bad address mark - * tzero : Couldn't find track 0 - * abrt : Aborted Command - * mcr : Media Change Request - * id : ID field not found - * mce : Media Change Event - * ecc : Uncorrectable ECC error - * bdd : dual meaing - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned mark :1; - unsigned tzero :1; - unsigned abrt :1; - unsigned mcr :1; - unsigned id :1; - unsigned mce :1; - unsigned ecc :1; - unsigned bdd :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bdd :1; - unsigned ecc :1; - unsigned mce :1; - unsigned id :1; - unsigned mcr :1; - unsigned abrt :1; - unsigned tzero :1; - unsigned mark :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_error_t; - -/* * ATA-IDE Select Register, aka Device-Head * * head : always zeros here @@ -504,39 +449,6 @@ typedef union { } ata_status_t, atapi_status_t; /* - * ATA-IDE Control Register - * - * bit0 : Should be set to zero - * nIEN : device INTRQ to host - * SRST : host soft reset bit - * bit3 : ATA-2 thingy, Should be set to 1 - * reserved456 : Reserved - * HOB : 48-bit address ordering, High Ordered Bit - */ -typedef union { - unsigned all : 8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned bit0 : 1; - unsigned nIEN : 1; - unsigned SRST : 1; - unsigned bit3 : 1; - unsigned reserved456 : 3; - unsigned HOB : 1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned HOB : 1; - unsigned reserved456 : 3; - unsigned bit3 : 1; - unsigned SRST : 1; - unsigned nIEN : 1; - unsigned bit0 : 1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_control_t; - -/* * ATAPI Feature Register * * dma : Using DMA or PIO @@ -618,39 +530,6 @@ typedef union { } atapi_error_t; /* - * ATAPI floppy Drive Select Register - * - * sam_lun : Logical unit number - * reserved3 : Reserved - * drv : The responding drive will be drive 0 (0) or drive 1 (1) - * one5 : Should be set to 1 - * reserved6 : Reserved - * one7 : Should be set to 1 - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned sam_lun :3; - unsigned reserved3 :1; - unsigned drv :1; - unsigned one5 :1; - unsigned reserved6 :1; - unsigned one7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned one7 :1; - unsigned reserved6 :1; - unsigned one5 :1; - unsigned drv :1; - unsigned reserved3 :1; - unsigned sam_lun :3; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_select_t; - -/* * Status returned from various ide_ functions */ typedef enum { @@ -1101,10 +980,7 @@ typedef struct ide_driver_s { int (*end_request)(ide_drive_t *, int, int); ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); ide_startstop_t (*abort)(ide_drive_t *, struct request *rq); - int (*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long); ide_proc_entry_t *proc; - void (*ata_prebuilder)(ide_drive_t *); - void (*atapi_prebuilder)(ide_drive_t *); struct device_driver gen_driver; } ide_driver_t; @@ -1298,7 +1174,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *); extern void ide_timer_expiry(unsigned long); extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs); extern void do_ide_request(request_queue_t *); -extern void ide_init_subdrivers(void); void ide_init_disk(struct gendisk *, ide_drive_t *); @@ -1371,6 +1246,12 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *); #define GOOD_DMA_DRIVE 1 #ifdef CONFIG_BLK_DEV_IDEDMA +struct drive_list_entry { + const char *id_model; + const char *id_firmware; +}; + +int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); int __ide_dma_bad_drive(ide_drive_t *); int __ide_dma_good_drive(ide_drive_t *); int ide_use_dma(ide_drive_t *); diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 1e737e269db..4db67b3b05c 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1244,6 +1244,7 @@ #define PCI_DEVICE_ID_VIA_8378_0 0x3205 #define PCI_DEVICE_ID_VIA_8783_0 0x3208 #define PCI_DEVICE_ID_VIA_8237 0x3227 +#define PCI_DEVICE_ID_VIA_8251 0x3287 #define PCI_DEVICE_ID_VIA_3296_0 0x0296 #define PCI_DEVICE_ID_VIA_8231 0x8231 #define PCI_DEVICE_ID_VIA_8231_4 0x8235 diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 7529f4388bb..20da282d4ab 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -151,5 +151,6 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); extern void scsi_put_command(struct scsi_cmnd *); extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int); extern void scsi_finish_command(struct scsi_cmnd *cmd); +extern void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries); #endif /* _SCSI_SCSI_CMND_H */ diff --git a/init/Kconfig b/init/Kconfig index be74adb389e..6c5dbedc6e9 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -256,6 +256,20 @@ config CPUSETS source "usr/Kconfig" +config CC_OPTIMIZE_FOR_SIZE + bool "Optimize for size (Look out for broken compilers!)" + default y + depends on ARM || H8300 || EXPERIMENTAL + depends on !SPARC64 + help + Enabling this option will pass "-Os" instead of "-O2" to gcc + resulting in a smaller kernel. + + WARNING: some versions of gcc may generate incorrect code with this + option. If problems are observed, a gcc upgrade may be needed. + + If unsure, say N. + menuconfig EMBEDDED bool "Configure standard kernel features (for small systems)" help @@ -338,18 +352,6 @@ config EPOLL Disabling this option will cause the kernel to be built without support for epoll family of system calls. -config CC_OPTIMIZE_FOR_SIZE - bool "Optimize for size" - default y if ARM || H8300 - help - Enabling this option will pass "-Os" instead of "-O2" to gcc - resulting in a smaller kernel. - - WARNING: some versions of gcc may generate incorrect code with this - option. If problems are observed, a gcc upgrade may be needed. - - If unsure, say N. - config SHMEM bool "Use full shmem filesystem" if EMBEDDED default y diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index b7486488967..f2a8750bbf1 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -165,6 +165,9 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, skb_pull(skb, VLAN_HLEN); /* take off the VLAN header (4 bytes currently) */ + /* Need to correct hardware checksum */ + skb_postpull_rcsum(skb, vhdr, VLAN_HLEN); + /* Ok, lets check to make sure the device (dev) we * came in on is what this VLAN is attached to. */ diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index a4c347c3b8e..46f9d9cf7a5 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -618,7 +618,7 @@ static int ipgre_rcv(struct sk_buff *skb) skb->mac.raw = skb->nh.raw; skb->nh.raw = __pskb_pull(skb, offset); - skb_postpull_rcsum(skb, skb->mac.raw, offset); + skb_postpull_rcsum(skb, skb->h.raw, offset); memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); skb->pkt_type = PACKET_HOST; #ifdef CONFIG_NET_IPGRE_BROADCAST |