From 6e3d4f25a561d15863ff4868a03780f59ba5ae8c Mon Sep 17 00:00:00 2001 From: Janos Farkas Date: Fri, 31 Mar 2006 01:04:57 +0200 Subject: [PATCH] pcmcia: permit single-character identifiers For some time, the core pcmcia drivers seem not to think single character prod_ids are valid, thus preventing the "cleverly" named "D" "Link DWL-650 11Mbps WLAN Card" Before (as in 2.6.16): PRODID_1="" PRODID_2="Link DWL-650 11Mbps WLAN Card" PRODID_3="Version 01.02" PRODID_4="" MANFID=0156,0002 FUNCID=6 After (with the patch) PRODID_1="D" PRODID_2="Link DWL-650 11Mbps WLAN Card" PRODID_3="Version 01.02" PRODID_4="" MANFID=0156,0002 FUNCID=6 Signed-off-by: Janos Farkas Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index bb96ce1db08..a4333a82669 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -546,7 +546,7 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) tmp = vers1->str + vers1->ofs[i]; length = strlen(tmp) + 1; - if ((length < 3) || (length > 255)) + if ((length < 2) || (length > 255)) continue; p_dev->prod_id[i] = kmalloc(sizeof(char) * length, -- cgit v1.2.3 From 1ae9c7d8198ae973da3b927e28d63f294ffa11e3 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 20:40:40 +0100 Subject: [PATCH] pcmcia: remove unused field Present from config_t config_t.Present is set to the same value as CardValues, which isn't modified anywhere. Therefore, we can use only one of these two objects. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 1 - drivers/pcmcia/pcmcia_resource.c | 6 +++--- 2 files changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 7b37eba35bf..2b267def962 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -45,7 +45,6 @@ typedef struct config_t { u_int IntType; u_int ConfigBase; u_char Status, Pin, Copy, Option, ExtStatus; - u_int Present; u_int CardValues; io_req_t io; struct { diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 89022ad5b52..f58814519eb 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -338,7 +338,7 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, if ((c != NULL) && (c->state & CONFIG_LOCKED) && (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { u_char reg; - if (c->Present & PRESENT_PIN_REPLACE) { + if (c->CardValues & PRESENT_PIN_REPLACE) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); status->CardState |= (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; @@ -352,7 +352,7 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, /* No PRR? Then assume we're always ready */ status->CardState |= CS_EVENT_READY_CHANGE; } - if (c->Present & PRESENT_EXT_STATUS) { + if (c->CardValues & PRESENT_EXT_STATUS) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); status->CardState |= (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; @@ -643,7 +643,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, /* Set up CIS configuration registers */ base = c->ConfigBase = req->ConfigBase; - c->Present = c->CardValues = req->Present; + c->CardValues = req->Present; if (req->Present & PRESENT_COPY) { c->Copy = req->Copy; pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy); -- cgit v1.2.3 From dbb22f0d65ccc2e9dfeb4c420942f2757a80f8d2 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 20:41:27 +0100 Subject: [PATCH] pcmcia: access config_t using pointer instead of array Access the PCMCIA config_t struct (one per device function) using a pointer in struct pcmcia_device, instead of looking them up in an array. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 6 ------ drivers/pcmcia/ds.c | 1 + drivers/pcmcia/pcmcia_resource.c | 19 +++++++++---------- 3 files changed, 10 insertions(+), 16 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 2b267def962..f889a44280f 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -94,12 +94,6 @@ static inline void cs_socket_put(struct pcmcia_socket *skt) } } -#define CHECK_SOCKET(s) \ - (((s) >= sockets) || (socket_table[s]->ops == NULL)) - -#define SOCKET(h) (h->socket) -#define CONFIG(h) (&SOCKET(h)->config[(h)->func]) - /* In cardbus.c */ int cb_alloc(struct pcmcia_socket *s); void cb_free(struct pcmcia_socket *s); diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index a4333a82669..5166f00cfe3 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -399,6 +399,7 @@ static int pcmcia_device_probe(struct device * dev) goto put_module; } } + p_dev->function_config = &s->config[p_dev->func]; ret = p_drv->probe(p_dev); if (ret) diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index f58814519eb..11a94d9a15f 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -372,9 +372,7 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, int pcmcia_get_status(client_handle_t handle, cs_status_t *status) { - struct pcmcia_socket *s; - s = SOCKET(handle); - return pccard_get_status(s, handle->func, status); + return pccard_get_status(handle->socket, handle->func, status); } EXPORT_SYMBOL(pcmcia_get_status); @@ -422,7 +420,8 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, config_t *c; s = p_dev->socket; - c = CONFIG(p_dev); + c = p_dev->function_config; + if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; if (!(c->state & CONFIG_LOCKED)) @@ -470,7 +469,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) p_dev->state &= ~CLIENT_CONFIG_LOCKED; if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); + config_t *c = p_dev->function_config; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; @@ -512,7 +511,7 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) p_dev->state &= ~CLIENT_IO_REQ; if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); + config_t *c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if ((c->io.BasePort1 != req->BasePort1) || @@ -540,7 +539,7 @@ int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) p_dev->state &= ~CLIENT_IRQ_REQ; if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); + config_t *c= p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->irq.Attributes != req->Attributes) @@ -610,7 +609,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (req->IntType & INT_CARDBUS) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; @@ -730,7 +729,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) if (!req) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IO_REQ) @@ -786,7 +785,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IRQ_REQ) -- cgit v1.2.3 From 855cdf134dfcf2ecb92ac4ad675cf655d8ceb678 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 20:48:59 +0100 Subject: [PATCH] pcmcia: always use device pointer to config_t Update the remaining users using the static lookup table of the PCMCIA function configuration to use the struct pcmcia_device-contained pointer. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 5 ++-- drivers/pcmcia/pcmcia_ioctl.c | 57 +++++++++++++++++++++++++++++----------- drivers/pcmcia/pcmcia_resource.c | 39 +++++++++++---------------- 3 files changed, 58 insertions(+), 43 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index f889a44280f..88c96aee0f4 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -126,10 +126,9 @@ extern struct class_interface pccard_sysfs_interface; extern struct rw_semaphore pcmcia_socket_list_rwsem; extern struct list_head pcmcia_socket_list; int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); -int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config); +int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); int pccard_reset_card(struct pcmcia_socket *skt); -int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status); -int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg); +int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status); struct pcmcia_callback{ diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 80969f7e7a0..56b625d171a 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -70,10 +70,26 @@ extern int ds_pc_debug; #define ds_dbg(lvl, fmt, arg...) do { } while (0) #endif +static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s, + unsigned int function) +{ + struct pcmcia_device *p_dev = NULL; + unsigned long flags; + + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { + if (p_dev->func == function) { + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + return pcmcia_get_dev(p_dev); + } + } + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + return NULL; +} /* backwards-compatible accessing of driver --- by name! */ -static struct pcmcia_driver * get_pcmcia_driver (dev_info_t *dev_info) +static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info) { struct device_driver *drv; struct pcmcia_driver *p_drv; @@ -583,9 +599,11 @@ static int ds_ioctl(struct inode * inode, struct file * file, if (buf->config.Function && (buf->config.Function >= s->functions)) ret = CS_BAD_ARGS; - else - ret = pccard_get_configuration_info(s, - buf->config.Function, &buf->config); + else { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function); + ret = pccard_get_configuration_info(s, p_dev, &buf->config); + pcmcia_put_dev(p_dev); + } break; case DS_GET_FIRST_TUPLE: down(&s->skt_sem); @@ -609,12 +627,15 @@ static int ds_ioctl(struct inode * inode, struct file * file, ret = pccard_reset_card(s); break; case DS_GET_STATUS: - if (buf->status.Function && - (buf->status.Function >= s->functions)) - ret = CS_BAD_ARGS; - else - ret = pccard_get_status(s, buf->status.Function, &buf->status); - break; + if (buf->status.Function && + (buf->status.Function >= s->functions)) + ret = CS_BAD_ARGS; + else { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function); + ret = pccard_get_status(s, p_dev, &buf->status); + pcmcia_put_dev(p_dev); + } + break; case DS_VALIDATE_CIS: down(&s->skt_sem); pcmcia_validate_mem(s); @@ -638,12 +659,16 @@ static int ds_ioctl(struct inode * inode, struct file * file, err = -EPERM; goto free_out; } - if (buf->conf_reg.Function && - (buf->conf_reg.Function >= s->functions)) - ret = CS_BAD_ARGS; - else - ret = pccard_access_configuration_register(s, - buf->conf_reg.Function, &buf->conf_reg); + + ret = CS_BAD_ARGS; + + if (!(buf->conf_reg.Function && + (buf->conf_reg.Function >= s->functions))) { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function); + if (p_dev) + ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg); + pcmcia_put_dev(p_dev); + } break; case DS_GET_FIRST_REGION: case DS_GET_NEXT_REGION: diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 11a94d9a15f..aabde8be647 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -165,21 +165,19 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, * this and the tuple reading services. */ -int pccard_access_configuration_register(struct pcmcia_socket *s, - unsigned int function, +int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, conf_reg_t *reg) { + struct pcmcia_socket *s; config_t *c; int addr; u_char val; - if (!s || !s->config) + if (!p_dev || !p_dev->function_config) return CS_NO_CARD; - c = &s->config[function]; - - if (c == NULL) - return CS_NO_CARD; + s = p_dev->socket; + c = p_dev->function_config; if (!(c->state & CONFIG_LOCKED)) return CS_CONFIGURATION_LOCKED; @@ -200,20 +198,12 @@ int pccard_access_configuration_register(struct pcmcia_socket *s, break; } return CS_SUCCESS; -} /* pccard_access_configuration_register */ - -int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, - conf_reg_t *reg) -{ - return pccard_access_configuration_register(p_dev->socket, - p_dev->func, reg); -} +} /* pcmcia_access_configuration_register */ EXPORT_SYMBOL(pcmcia_access_configuration_register); - int pccard_get_configuration_info(struct pcmcia_socket *s, - unsigned int function, + struct pcmcia_device *p_dev, config_info_t *config) { config_t *c; @@ -221,7 +211,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - config->Function = function; + config->Function = p_dev->func; #ifdef CONFIG_CARDBUS if (s->state & SOCKET_CARDBUS) { @@ -242,7 +232,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, } #endif - c = (s->config != NULL) ? &s->config[function] : NULL; + c = (p_dev) ? p_dev->function_config : NULL; if ((c == NULL) || !(c->state & CONFIG_LOCKED)) { config->Attributes = 0; @@ -271,7 +261,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, int pcmcia_get_configuration_info(struct pcmcia_device *p_dev, config_info_t *config) { - return pccard_get_configuration_info(p_dev->socket, p_dev->func, + return pccard_get_configuration_info(p_dev->socket, p_dev, config); } EXPORT_SYMBOL(pcmcia_get_configuration_info); @@ -317,7 +307,7 @@ EXPORT_SYMBOL(pcmcia_get_window); * SocketState yet: I haven't seen any point for it. */ -int pccard_get_status(struct pcmcia_socket *s, unsigned int function, +int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status) { config_t *c; @@ -334,7 +324,8 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = (s->config != NULL) ? &s->config[function] : NULL; + c = (p_dev) ? p_dev->function_config : NULL; + if ((c != NULL) && (c->state & CONFIG_LOCKED) && (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { u_char reg; @@ -370,9 +361,9 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, return CS_SUCCESS; } /* pccard_get_status */ -int pcmcia_get_status(client_handle_t handle, cs_status_t *status) +int pcmcia_get_status(struct pcmcia_device *p_dev, cs_status_t *status) { - return pccard_get_status(handle->socket, handle->func, status); + return pccard_get_status(p_dev->socket, p_dev, status); } EXPORT_SYMBOL(pcmcia_get_status); -- cgit v1.2.3 From 360b65b95bae96f854a2413093ee9b79c31203ae Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 20:50:39 +0100 Subject: [PATCH] pcmcia: make config_t independent, add reference counting Handle config_t structs independent of struct pcmcia_socket, and add reference counting for them. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs.c | 2 -- drivers/pcmcia/cs_internal.h | 2 ++ drivers/pcmcia/ds.c | 70 +++++++++++++++++++++++++++----------------- 3 files changed, 45 insertions(+), 29 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 613f2f1fbfd..45cffbf285c 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -406,8 +406,6 @@ static void socket_shutdown(struct pcmcia_socket *s) cb_free(s); #endif s->functions = 0; - kfree(s->config); - s->config = NULL; s->ops->get_status(s, &status); if (status & SS_POWERON) { diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 88c96aee0f4..01c32af559b 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -16,6 +16,7 @@ #define _LINUX_CS_INTERNAL_H #include +#include /* Flags in client state */ #define CLIENT_CONFIG_LOCKED 0x0001 @@ -40,6 +41,7 @@ typedef struct region_t { /* Each card function gets one of these guys */ typedef struct config_t { + struct kref ref; u_int state; u_int Attributes; u_int IntType; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 5166f00cfe3..37ba1246c28 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -23,6 +23,7 @@ #include #include #include +#include #define IN_CARD_SERVICES #include @@ -343,12 +344,19 @@ void pcmcia_put_dev(struct pcmcia_device *p_dev) put_device(&p_dev->dev); } +static void pcmcia_release_function(struct kref *ref) +{ + struct config_t *c = container_of(ref, struct config_t, ref); + kfree(c); +} + static void pcmcia_release_dev(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); ds_dbg(1, "releasing dev %p\n", p_dev); pcmcia_put_socket(p_dev->socket); kfree(p_dev->devname); + kref_put(&p_dev->function_config->ref, pcmcia_release_function); kfree(p_dev); } @@ -377,30 +385,14 @@ static int pcmcia_device_probe(struct device * dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; - if ((!p_drv->probe) || (!try_module_get(p_drv->owner))) { + if ((!p_drv->probe) || (!p_dev->function_config) || + (!try_module_get(p_drv->owner))) { ret = -EINVAL; goto put_dev; } p_dev->state &= ~CLIENT_UNBOUND; - /* set up the device configuration, if it hasn't been done before */ - if (!s->functions) { - cistpl_longlink_mfc_t mfc; - if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC, - &mfc) == CS_SUCCESS) - s->functions = mfc.nfn; - else - s->functions = 1; - s->config = kzalloc(sizeof(config_t) * s->functions, - GFP_KERNEL); - if (!s->config) { - ret = -ENOMEM; - goto put_module; - } - } - p_dev->function_config = &s->config[p_dev->func]; - ret = p_drv->probe(p_dev); if (ret) goto put_module; @@ -576,7 +568,7 @@ static DECLARE_MUTEX(device_add_lock); struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) { - struct pcmcia_device *p_dev; + struct pcmcia_device *p_dev, *tmp_dev; unsigned long flags; int bus_id_len; @@ -597,6 +589,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f p_dev->socket = s; p_dev->device_no = (s->device_count++); p_dev->func = function; + if (s->functions < function) + s->functions = function; p_dev->dev.bus = &pcmcia_bus_type; p_dev->dev.parent = s->dev.dev; @@ -611,28 +605,50 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f /* compat */ p_dev->state = CLIENT_UNBOUND; - /* Add to the list in pcmcia_bus_socket */ + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + + /* + * p_dev->function_config must be the same for all card functions. + * Note that this is serialized by the device_add_lock, so that + * only one such struct will be created. + */ + list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list) + if (p_dev->func == tmp_dev->func) { + p_dev->function_config = tmp_dev->function_config; + kref_get(&p_dev->function_config->ref); + } + + /* Add to the list in pcmcia_bus_socket */ list_add_tail(&p_dev->socket_device_list, &s->devices_list); + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + if (!p_dev->function_config) { + p_dev->function_config = kzalloc(sizeof(struct config_t), + GFP_KERNEL); + if (!p_dev->function_config) + goto err_unreg; + kref_init(&p_dev->function_config->ref); + } + printk(KERN_NOTICE "pcmcia: registering new device %s\n", p_dev->devname); pcmcia_device_query(p_dev); - if (device_register(&p_dev->dev)) { - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_del(&p_dev->socket_device_list); - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - goto err_free; - } + if (device_register(&p_dev->dev)) + goto err_unreg; up(&device_add_lock); return p_dev; + err_unreg: + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_del(&p_dev->socket_device_list); + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + err_free: kfree(p_dev->devname); kfree(p_dev); -- cgit v1.2.3 From 7fe908dd11e0c947bb72baa5b001d7abe5a420d5 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 21:20:36 +0100 Subject: [PATCH] pcmcia: use mutexes instead of semaphores Use mutexes in the PCMICA core, as they suffice for what needs to be done. Includes a bugfix from and Signed-off-by Andrew Morton. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs.c | 40 ++++++++++++++++++++-------------------- drivers/pcmcia/ds.c | 14 +++++++------- drivers/pcmcia/pcmcia_ioctl.c | 12 ++++++------ drivers/pcmcia/rsrc_nonstatic.c | 40 ++++++++++++++++++++-------------------- drivers/pcmcia/socket_sysfs.c | 9 +++++---- 5 files changed, 58 insertions(+), 57 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 45cffbf285c..907a6768e99 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -111,9 +111,9 @@ int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_suspend(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -129,9 +129,9 @@ int pcmcia_socket_dev_resume(struct device *dev) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_resume(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -237,7 +237,7 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) init_completion(&socket->socket_released); init_completion(&socket->thread_done); init_waitqueue_head(&socket->thread_wait); - init_MUTEX(&socket->skt_sem); + mutex_init(&socket->skt_mutex); spin_lock_init(&socket->thread_lock); ret = kernel_thread(pccardd, socket, CLONE_KERNEL); @@ -662,7 +662,7 @@ static int pccardd(void *__skt) spin_unlock_irqrestore(&skt->thread_lock, flags); if (events) { - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); if (events & SS_DETECT) socket_detect_change(skt); if (events & SS_BATDEAD) @@ -671,7 +671,7 @@ static int pccardd(void *__skt) send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); if (events & SS_READY) send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); continue; } @@ -715,8 +715,8 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) { int ret = 0; - /* s->skt_sem also protects s->callback */ - down(&s->skt_sem); + /* s->skt_mutex also protects s->callback */ + mutex_lock(&s->skt_mutex); if (c) { /* registration */ @@ -732,7 +732,7 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) } else s->callback = NULL; err: - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return ret; } @@ -750,7 +750,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "resetting socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -779,7 +779,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) ret = CS_SUCCESS; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* reset_card */ @@ -795,7 +795,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "suspending socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -812,7 +812,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) } ret = socket_suspend(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* suspend_card */ @@ -825,7 +825,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "waking up socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -839,7 +839,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) if (!ret && skt->callback) skt->callback->resume(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* resume_card */ @@ -853,7 +853,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user eject request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = -ENODEV; @@ -869,7 +869,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) socket_remove(skt); ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* eject_card */ @@ -882,7 +882,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user insert request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (skt->state & SOCKET_PRESENT) { ret = -EBUSY; @@ -894,7 +894,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) } ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* insert_card */ diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 37ba1246c28..3b7e1ba13c7 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -564,7 +564,7 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) * won't work, this doesn't matter much at the moment: the driver core doesn't * support it either. */ -static DECLARE_MUTEX(device_add_lock); +static DEFINE_MUTEX(device_add_lock); struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) { @@ -576,7 +576,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f if (!s) return NULL; - down(&device_add_lock); + mutex_lock(&device_add_lock); /* max of 2 devices per card */ if (s->device_count == 2) @@ -640,7 +640,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f if (device_register(&p_dev->dev)) goto err_unreg; - up(&device_add_lock); + mutex_unlock(&device_add_lock); return p_dev; @@ -654,7 +654,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f kfree(p_dev); s->device_count--; err_put: - up(&device_add_lock); + mutex_unlock(&device_add_lock); pcmcia_put_socket(s); return NULL; @@ -713,7 +713,7 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt) int no_devices=0; unsigned long flags; - /* must be called with skt_sem held */ + /* must be called with skt_mutex held */ spin_lock_irqsave(&pcmcia_dev_list_lock, flags); if (list_empty(&skt->devices_list)) no_devices=1; @@ -999,9 +999,9 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, if (!count) return -EINVAL; - down(&p_dev->socket->skt_sem); + mutex_lock(&p_dev->socket->skt_mutex); p_dev->allow_func_id_match = 1; - up(&p_dev->socket->skt_sem); + mutex_unlock(&p_dev->socket->skt_mutex); bus_rescan_devices(&pcmcia_bus_type); diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 56b625d171a..8eceba73910 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -269,9 +269,9 @@ rescan: /* * Prevent this racing with a card insertion. */ - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); bus_rescan_devices(&pcmcia_bus_type); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); /* check whether the driver indeed matched. I don't care if this * is racy or not, because it can only happen on cardmgr access @@ -606,9 +606,9 @@ static int ds_ioctl(struct inode * inode, struct file * file, } break; case DS_GET_FIRST_TUPLE: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple); break; case DS_GET_NEXT_TUPLE: @@ -637,9 +637,9 @@ static int ds_ioctl(struct inode * inode, struct file * file, } break; case DS_VALIDATE_CIS: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo); break; case DS_SUSPEND_CARD: diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 5301ac60358..6da4a03d68e 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -61,7 +61,7 @@ struct socket_data { unsigned int rsrc_mem_probe; }; -static DECLARE_MUTEX(rsrc_sem); +static DEFINE_MUTEX(rsrc_mutex); #define MEM_PROBE_LOW (1 << 0) #define MEM_PROBE_HIGH (1 << 1) @@ -484,7 +484,7 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) /* - * Locking note: Must be called with skt_sem held! + * Locking note: Must be called with skt_mutex held! */ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) { @@ -495,7 +495,7 @@ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) if (!probe_mem) return 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); if (s->features & SS_CAP_PAGE_REGS) probe_mask = MEM_PROBE_HIGH; @@ -507,7 +507,7 @@ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) s_data->rsrc_mem_probe |= probe_mask; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -585,7 +585,7 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star struct socket_data *s_data = s->resource_data; int ret = -ENOMEM; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) { unsigned long start = m->base; unsigned long end = m->base + m->num - 1; @@ -596,7 +596,7 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star ret = adjust_resource(res, r_start, r_end - r_start + 1); break; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -630,7 +630,7 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, data.offset = base & data.mask; data.map = &s_data->io_db; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); #ifdef CONFIG_PCI if (s->cb_dev) { ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, @@ -639,7 +639,7 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, #endif ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, 1, pcmcia_align, &data); - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); if (ret != 0) { kfree(res); @@ -672,7 +672,7 @@ static struct resource * nonstatic_find_mem_region(u_long base, u_long num, min = 0x100000UL + base; } - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); #ifdef CONFIG_PCI if (s->cb_dev) { ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, @@ -682,7 +682,7 @@ static struct resource * nonstatic_find_mem_region(u_long base, u_long num, #endif ret = allocate_resource(&iomem_resource, res, num, min, max, 1, pcmcia_align, &data); - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); if (ret == 0 || low) break; low = 1; @@ -705,7 +705,7 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned if (end < start) return -EINVAL; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: ret = add_interval(&data->mem_db, start, size); @@ -723,7 +723,7 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned default: ret = -EINVAL; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -741,7 +741,7 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long if (end > IO_SPACE_LIMIT) return -EINVAL; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: if (add_interval(&data->io_db, start, size) != 0) { @@ -760,7 +760,7 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long ret = -EINVAL; break; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -867,7 +867,7 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) struct socket_data *data = s->resource_data; struct resource_map *p, *q; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); for (p = data->mem_db.next; p != &data->mem_db; p = q) { q = p->next; kfree(p); @@ -876,7 +876,7 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) q = p->next; kfree(p); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); } @@ -901,7 +901,7 @@ static ssize_t show_io_db(struct class_device *class_dev, char *buf) struct resource_map *p; ssize_t ret = 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); data = s->resource_data; for (p = data->io_db.next; p != &data->io_db; p = p->next) { @@ -913,7 +913,7 @@ static ssize_t show_io_db(struct class_device *class_dev, char *buf) ((unsigned long) p->base + p->num - 1)); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return (ret); } @@ -953,7 +953,7 @@ static ssize_t show_mem_db(struct class_device *class_dev, char *buf) struct resource_map *p; ssize_t ret = 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); data = s->resource_data; for (p = data->mem_db.next; p != &data->mem_db; p = p->next) { @@ -965,7 +965,7 @@ static ssize_t show_mem_db(struct class_device *class_dev, char *buf) ((unsigned long) p->base + p->num - 1)); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return (ret); } diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 5ab1cdef7c4..83c6b31133a 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -183,7 +184,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, s->resource_setup_done = 1; spin_unlock_irqrestore(&s->lock, flags); - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { @@ -192,7 +193,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return count; } @@ -322,7 +323,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz kfree(cis); if (!ret) { - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { @@ -330,7 +331,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); } -- cgit v1.2.3 From e904663b4d511884145df54bead401840389853a Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 21:35:49 +0100 Subject: [PATCH] pcmcia: remove include of config.h Remove the inclusion of include/config.h as it isn't needed any longer. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cistpl.c | 1 - drivers/pcmcia/cs.c | 1 - drivers/pcmcia/cs_internal.h | 1 - drivers/pcmcia/ds.c | 1 - drivers/pcmcia/i82092.c | 1 - drivers/pcmcia/i82365.c | 1 - drivers/pcmcia/pcmcia_compat.c | 1 - drivers/pcmcia/pcmcia_ioctl.c | 1 - drivers/pcmcia/pcmcia_resource.c | 1 - drivers/pcmcia/pd6729.c | 1 - drivers/pcmcia/rsrc_mgr.c | 1 - drivers/pcmcia/rsrc_nonstatic.c | 1 - drivers/pcmcia/sa1100_cerf.c | 1 - drivers/pcmcia/socket_sysfs.c | 1 - drivers/pcmcia/ti113x.h | 1 - 15 files changed, 15 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 120fa8da639..912c03e5eb0 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include #include #include #include diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 907a6768e99..3162998579c 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -16,7 +16,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 01c32af559b..ad04ad4386b 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -15,7 +15,6 @@ #ifndef _LINUX_CS_INTERNAL_H #define _LINUX_CS_INTERNAL_H -#include #include /* Flags in client state */ diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 3b7e1ba13c7..4d11b35d4c3 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -13,7 +13,6 @@ * (C) 2003 - 2005 Dominik Brodowski */ -#include #include #include #include diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 7979c85df3d..d5f03a338c6 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -10,7 +10,6 @@ */ #include -#include #include #include #include diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 35a92d1e494..bd0308e8981 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -34,7 +34,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/pcmcia/pcmcia_compat.c b/drivers/pcmcia/pcmcia_compat.c index ebb161c4f81..734f28085a9 100644 --- a/drivers/pcmcia/pcmcia_compat.c +++ b/drivers/pcmcia/pcmcia_compat.c @@ -13,7 +13,6 @@ * */ -#include #include #include diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 8eceba73910..be08bc9e99f 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -18,7 +18,6 @@ */ -#include #include #include #include diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index aabde8be647..08377232d8e 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -14,7 +14,6 @@ * */ -#include #include #include #include diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index f2789afb22b..16d1ea7b0a1 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -8,7 +8,6 @@ */ #include -#include #include #include #include diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 51460936983..e5a33121de7 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include #include #include diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 6da4a03d68e..0f8b157c971 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include #include #include #include diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index 2b3c2895b43..eb89928f233 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -5,7 +5,6 @@ * Based off the Assabet. * */ -#include #include #include #include diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 83c6b31133a..c5d7476da47 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h index d5b4ff74462..7a3d1b8e16b 100644 --- a/drivers/pcmcia/ti113x.h +++ b/drivers/pcmcia/ti113x.h @@ -30,7 +30,6 @@ #ifndef _LINUX_TI113X_H #define _LINUX_TI113X_H -#include /* Register definitions for TI 113X PCI-to-CardBus bridges */ -- cgit v1.2.3 From 1540eec5e5549b2e41704ce77f3f4ba880d2434c Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 00:51:53 +0100 Subject: [PATCH] pcmcia: remove pcmcia_compat.c Remove the compatibility wrappers, as they can (now) also be implemented using macros. Please continue using these wrappers instead of new functions until a new API has stabilized. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/Makefile | 2 +- drivers/pcmcia/pcmcia_compat.c | 64 ------------------------------------------ 2 files changed, 1 insertion(+), 65 deletions(-) delete mode 100644 drivers/pcmcia/pcmcia_compat.c (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index bcecf5133b7..22e17fdfa74 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -10,7 +10,7 @@ pcmcia_core-y += cs.o cistpl.o rsrc_mgr.o socket_sysfs.o pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o obj-$(CONFIG_PCCARD) += pcmcia_core.o -pcmcia-y += ds.o pcmcia_compat.o pcmcia_resource.o +pcmcia-y += ds.o pcmcia_resource.o pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o obj-$(CONFIG_PCMCIA) += pcmcia.o diff --git a/drivers/pcmcia/pcmcia_compat.c b/drivers/pcmcia/pcmcia_compat.c deleted file mode 100644 index 734f28085a9..00000000000 --- a/drivers/pcmcia/pcmcia_compat.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * PCMCIA 16-bit compatibility functions - * - * The initial developer of the original code is David A. Hinds - * . Portions created by David A. Hinds - * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - * - * Copyright (C) 2004 Dominik Brodowski - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include -#include - -#define IN_CARD_SERVICES -#include -#include -#include -#include -#include -#include - -#include "cs_internal.h" - -int pcmcia_get_first_tuple(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_first_tuple(p_dev->socket, p_dev->func, tuple); -} -EXPORT_SYMBOL(pcmcia_get_first_tuple); - -int pcmcia_get_next_tuple(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_next_tuple(p_dev->socket, p_dev->func, tuple); -} -EXPORT_SYMBOL(pcmcia_get_next_tuple); - -int pcmcia_get_tuple_data(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_tuple_data(p_dev->socket, tuple); -} -EXPORT_SYMBOL(pcmcia_get_tuple_data); - -int pcmcia_parse_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, cisparse_t *parse) -{ - return pccard_parse_tuple(tuple, parse); -} -EXPORT_SYMBOL(pcmcia_parse_tuple); - -int pcmcia_validate_cis(struct pcmcia_device *p_dev, cisinfo_t *info) -{ - return pccard_validate_cis(p_dev->socket, p_dev->func, info); -} -EXPORT_SYMBOL(pcmcia_validate_cis); - - -int pcmcia_reset_card(struct pcmcia_device *p_dev, client_req_t *req) -{ - return pccard_reset_card(p_dev->socket); -} -EXPORT_SYMBOL(pcmcia_reset_card); -- cgit v1.2.3 From 0e0fad8f71a8a23fad223b7d72b4ba06d57f764f Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 01:14:31 +0100 Subject: [PATCH] pcmcia: size reduction if ioctl isn't compiled If the kernel is configured to not include the deprecated PCMCIA ioctl, some code doesn't need to be built. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 2 ++ drivers/pcmcia/ds_internal.h | 2 +- drivers/pcmcia/rsrc_mgr.c | 4 ++++ 3 files changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 4d11b35d4c3..211aa84353f 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -835,9 +835,11 @@ static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) { struct pcmcia_driver * p_drv = to_pcmcia_drv(drv); struct pcmcia_device_id *did = p_drv->id_table; +#ifdef CONFIG_PCMCIA_IOCTL /* matching by cardmgr */ if (p_dev->cardmgr == p_drv) return 1; +#endif while (did && did->match_flags) { if (pcmcia_devmatch(p_dev, did)) diff --git a/drivers/pcmcia/ds_internal.h b/drivers/pcmcia/ds_internal.h index d359bd25a51..783d8617a05 100644 --- a/drivers/pcmcia/ds_internal.h +++ b/drivers/pcmcia/ds_internal.h @@ -15,7 +15,7 @@ extern void handle_event(struct pcmcia_socket *s, event_t event); extern int handle_request(struct pcmcia_socket *s, event_t event); #else static inline void __init pcmcia_setup_ioctl(void) { return; } -static inline void __init pcmcia_cleanup_ioctl(void) { return; } +static inline void __exit pcmcia_cleanup_ioctl(void) { return; } static inline void handle_event(struct pcmcia_socket *s, event_t event) { return; } static inline int handle_request(struct pcmcia_socket *s, event_t event) { return CS_SUCCESS; } #endif diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index e5a33121de7..81dfc2cac2b 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -21,6 +21,8 @@ #include "cs_internal.h" +#ifdef CONFIG_PCMCIA_IOCTL + #ifdef CONFIG_PCMCIA_PROBE static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) @@ -97,6 +99,8 @@ int pcmcia_adjust_resource_info(adjust_t *adj) } EXPORT_SYMBOL(pcmcia_adjust_resource_info); +#endif + int pcmcia_validate_mem(struct pcmcia_socket *s) { if (s->resource_ops->validate_mem) -- cgit v1.2.3 From c7d006935dfda9174187aa557e94a137ced10c30 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 08:04:43 +0100 Subject: [PATCH] pcmcia: remove duplicate fields in io_window_t BasePort, NumPorts and Attributes are or can be embedded in struct resource, so remove them. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_resource.c | 45 ++++++++++++++++++++-------------------- 1 file changed, 22 insertions(+), 23 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 08377232d8e..dbd5571064d 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -88,7 +88,7 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, } if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { *base = s->io_offset | (*base & 0x0fff); - s->io[0].Attributes = attr; + s->io[0].res->flags = (s->io[0].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); return 0; } /* Check for an already-allocated window that must conflict with @@ -96,38 +96,36 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, * potential conflicts, just the most obvious ones. */ for (i = 0; i < MAX_IO_WIN; i++) - if ((s->io[i].NumPorts != 0) && - ((s->io[i].BasePort & (align-1)) == *base)) + if ((s->io[i].res) && + ((s->io[i].res->start & (align-1)) == *base)) return 1; for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) { + if (!s->io[i].res) { s->io[i].res = pcmcia_find_io_region(*base, num, align, s); if (s->io[i].res) { - s->io[i].Attributes = attr; - s->io[i].BasePort = *base = s->io[i].res->start; - s->io[i].NumPorts = s->io[i].InUse = num; + *base = s->io[i].res->start; + s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); + s->io[i].InUse = num; break; } else return 1; - } else if (s->io[i].Attributes != attr) + } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) continue; /* Try to extend top of window */ - try = s->io[i].BasePort + s->io[i].NumPorts; + try = s->io[i].res->end + 1; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, s->io[i].res->end + num, s) == 0) { *base = try; - s->io[i].NumPorts += num; s->io[i].InUse += num; break; } /* Try to extend bottom of window */ - try = s->io[i].BasePort - num; + try = s->io[i].res->start - num; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, s->io[i].res->end, s) == 0) { - s->io[i].BasePort = *base = try; - s->io[i].NumPorts += num; + *base = try; s->io[i].InUse += num; break; } @@ -142,12 +140,13 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, int i; for (i = 0; i < MAX_IO_WIN; i++) { - if ((s->io[i].BasePort <= base) && - (s->io[i].BasePort+s->io[i].NumPorts >= base+num)) { + if (!s->io[i].res) + continue; + if ((s->io[i].res->start <= base) && + (s->io[i].res->end >= base+num-1)) { s->io[i].InUse -= num; /* Free the window if no one else is using it */ if (s->io[i].InUse == 0) { - s->io[i].NumPorts = 0; release_resource(s->io[i].res); kfree(s->io[i].res); s->io[i].res = NULL; @@ -224,8 +223,8 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, config->AssignedIRQ = s->irq.AssignedIRQ; if (config->AssignedIRQ) config->Attributes |= CONF_ENABLE_IRQ; - config->BasePort1 = s->io[0].BasePort; - config->NumPorts1 = s->io[0].NumPorts; + config->BasePort1 = s->io[0].res->start; + config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1; } return CS_SUCCESS; } @@ -468,7 +467,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) } if (c->state & CONFIG_IO_REQ) for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) + if (!s->io[i].res) continue; s->io[i].Config--; if (s->io[i].Config != 0) @@ -679,10 +678,10 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (c->state & CONFIG_IO_REQ) { iomap.speed = io_speed; for (i = 0; i < MAX_IO_WIN; i++) - if (s->io[i].NumPorts != 0) { + if (s->io[i].res) { iomap.map = i; iomap.flags = MAP_ACTIVE; - switch (s->io[i].Attributes & IO_DATA_PATH_WIDTH) { + switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) { case IO_DATA_PATH_WIDTH_16: iomap.flags |= MAP_16BIT; break; case IO_DATA_PATH_WIDTH_AUTO: @@ -690,8 +689,8 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, default: break; } - iomap.start = s->io[i].BasePort; - iomap.stop = iomap.start + s->io[i].NumPorts - 1; + iomap.start = s->io[i].res->start; + iomap.stop = s->io[i].res->end; s->ops->set_io_map(s, &iomap); s->io[i].Config++; } -- cgit v1.2.3 From 552dc85dfed6b6a74a3a01c4ba277ee09797dd0a Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Wed, 1 Mar 2006 14:04:52 +0100 Subject: [PATCH] pcmcia: socket.functions starts with 1 socket.functions is the number of functions, and so must be one larger than the maximum function number. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 211aa84353f..16159e9d1b2 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -588,8 +588,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f p_dev->socket = s; p_dev->device_no = (s->device_count++); p_dev->func = function; - if (s->functions < function) - s->functions = function; + if (s->functions <= function) + s->functions = function + 1; p_dev->dev.bus = &pcmcia_bus_type; p_dev->dev.parent = s->dev.dev; -- cgit v1.2.3 From 2c1f3b7a30286c16ba151fadb0abf0b20e2a1e45 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 21 Feb 2006 12:56:52 +0200 Subject: [PATCH] pcmcia: AT91RM9200 Compact Flash driver This patch adds support for the Compact Flash controller integrated in the Atmel AT91RM9200 processor. Signed-off-by: Andrew Victor --- drivers/pcmcia/Kconfig | 7 + drivers/pcmcia/Makefile | 1 + drivers/pcmcia/at91_cf.c | 365 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 373 insertions(+) create mode 100644 drivers/pcmcia/at91_cf.c (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 1f4ad0e7836..cba6c9eef28 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -263,6 +263,13 @@ config OMAP_CF Say Y here to support the CompactFlash controller on OMAP. Note that this doesn't support "True IDE" mode. +config AT91_CF + tristate "AT91 CompactFlash Controller" + depends on PCMCIA && ARCH_AT91RM9200 + help + Say Y here to support the CompactFlash controller on AT91 chips. + Or choose M to compile the driver as a module named "at91_cf". + config PCCARD_NONSTATIC tristate diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 22e17fdfa74..4276965517f 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o obj-$(CONFIG_OMAP_CF) += omap_cf.o +obj-$(CONFIG_AT91_CF) += at91_cf.o sa11xx_core-y += soc_common.o sa11xx_base.o pxa2xx_core-y += soc_common.o pxa2xx_base.o diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c new file mode 100644 index 00000000000..67cc5f7d0c9 --- /dev/null +++ b/drivers/pcmcia/at91_cf.c @@ -0,0 +1,365 @@ +/* + * at91_cf.c -- AT91 CompactFlash controller driver + * + * Copyright (C) 2005 David Brownell + * + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include +#include +#include + + +#define CF_SIZE 0x30000000 /* CS5+CS6: unavailable */ + +/* + * A0..A10 work in each range; A23 indicates I/O space; A25 is CFRNW; + * some other bit in {A24,A22..A11} is nREG to flag memory access + * (vs attributes). So more than 2KB/region would just be waste. + */ +#define CF_ATTR_PHYS (AT91_CF_BASE) +#define CF_IO_PHYS (AT91_CF_BASE + (1 << 23)) +#define CF_MEM_PHYS (AT91_CF_BASE + 0x017ff800) + +/*--------------------------------------------------------------------------*/ + +static const char driver_name[] = "at91_cf"; + +struct at91_cf_socket { + struct pcmcia_socket socket; + + unsigned present:1; + + struct platform_device *pdev; + struct at91_cf_data *board; +}; + +#define SZ_2K (2 * SZ_1K) + +static inline int at91_cf_present(struct at91_cf_socket *cf) +{ + return !at91_get_gpio_value(cf->board->det_pin); +} + +/*--------------------------------------------------------------------------*/ + +static int at91_cf_ss_init(struct pcmcia_socket *s) +{ + return 0; +} + +static irqreturn_t at91_cf_irq(int irq, void *_cf, struct pt_regs *r) +{ + struct at91_cf_socket *cf = (struct at91_cf_socket *) _cf; + + if (irq == cf->board->det_pin) { + unsigned present = at91_cf_present(cf); + + /* kick pccard as needed */ + if (present != cf->present) { + cf->present = present; + pr_debug("%s: card %s\n", driver_name, present ? "present" : "gone"); + pcmcia_parse_events(&cf->socket, SS_DETECT); + } + } + + return IRQ_HANDLED; +} + +static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp) +{ + struct at91_cf_socket *cf; + + if (!sp) + return -EINVAL; + + cf = container_of(s, struct at91_cf_socket, socket); + + /* NOTE: we assume 3VCARD, not XVCARD... */ + if (at91_cf_present(cf)) { + int rdy = cf->board->irq_pin; /* RDY/nIRQ */ + int vcc = cf->board->vcc_pin; + + *sp = SS_DETECT | SS_3VCARD; + if (!rdy || at91_get_gpio_value(rdy)) + *sp |= SS_READY; + if (!vcc || at91_get_gpio_value(vcc)) + *sp |= SS_POWERON; + } else + *sp = 0; + + return 0; +} + +static int at91_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s) +{ + struct at91_cf_socket *cf; + + cf = container_of(sock, struct at91_cf_socket, socket); + + /* switch Vcc if needed and possible */ + if (cf->board->vcc_pin) { + switch (s->Vcc) { + case 0: + at91_set_gpio_value(cf->board->vcc_pin, 0); + break; + case 33: + at91_set_gpio_value(cf->board->vcc_pin, 1); + break; + default: + return -EINVAL; + } + } + + /* toggle reset if needed */ + at91_set_gpio_value(cf->board->rst_pin, s->flags & SS_RESET); + + pr_debug("%s: Vcc %d, io_irq %d, flags %04x csc %04x\n", + driver_name, s->Vcc, s->io_irq, s->flags, s->csc_mask); + + return 0; +} + +static int at91_cf_ss_suspend(struct pcmcia_socket *s) +{ + return at91_cf_set_socket(s, &dead_socket); +} + +/* we already mapped the I/O region */ +static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) +{ + struct at91_cf_socket *cf; + u32 csr; + + cf = container_of(s, struct at91_cf_socket, socket); + io->flags &= (MAP_ACTIVE | MAP_16BIT | MAP_AUTOSZ); + + /* + * Use 16 bit accesses unless/until we need 8-bit i/o space. + * Always set CSR4 ... PCMCIA won't always unmap things. + */ + csr = at91_sys_read(AT91_SMC_CSR(4)) & ~AT91_SMC_DBW; + + /* + * NOTE: this CF controller ignores IOIS16, so we can't really do + * MAP_AUTOSZ. The 16bit mode allows single byte access on either + * D0-D7 (even addr) or D8-D15 (odd), so it's close enough for many + * purposes (and handles ide-cs). + * + * The 8bit mode is needed for odd byte access on D0-D7. It seems + * some cards only like that way to get at the odd byte, despite + * CF 3.0 spec table 35 also giving the D8-D15 option. + */ + if (!(io->flags & (MAP_16BIT|MAP_AUTOSZ))) { + csr |= AT91_SMC_DBW_8; + pr_debug("%s: 8bit i/o bus\n", driver_name); + } else { + csr |= AT91_SMC_DBW_16; + pr_debug("%s: 16bit i/o bus\n", driver_name); + } + at91_sys_write(AT91_SMC_CSR(4), csr); + + io->start = cf->socket.io_offset; + io->stop = io->start + SZ_2K - 1; + + return 0; +} + +/* pcmcia layer maps/unmaps mem regions */ +static int at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map) +{ + struct at91_cf_socket *cf; + + if (map->card_start) + return -EINVAL; + + cf = container_of(s, struct at91_cf_socket, socket); + + map->flags &= MAP_ACTIVE|MAP_ATTRIB|MAP_16BIT; + if (map->flags & MAP_ATTRIB) + map->static_start = CF_ATTR_PHYS; + else + map->static_start = CF_MEM_PHYS; + + return 0; +} + +static struct pccard_operations at91_cf_ops = { + .init = at91_cf_ss_init, + .suspend = at91_cf_ss_suspend, + .get_status = at91_cf_get_status, + .set_socket = at91_cf_set_socket, + .set_io_map = at91_cf_set_io_map, + .set_mem_map = at91_cf_set_mem_map, +}; + +/*--------------------------------------------------------------------------*/ + +static int __init at91_cf_probe(struct device *dev) +{ + struct at91_cf_socket *cf; + struct at91_cf_data *board = dev->platform_data; + struct platform_device *pdev = to_platform_device(dev); + unsigned int csa; + int status; + + if (!board || !board->det_pin || !board->rst_pin) + return -ENODEV; + + cf = kcalloc(1, sizeof *cf, GFP_KERNEL); + if (!cf) + return -ENOMEM; + + cf->board = board; + cf->pdev = pdev; + dev_set_drvdata(dev, cf); + + /* CF takes over CS4, CS5, CS6 */ + csa = at91_sys_read(AT91_EBI_CSA); + at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); + + /* force poweron defaults for these pins ... */ + (void) at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ + (void) at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ + (void) at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ + (void) at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ + + /* nWAIT is _not_ a default setting */ + (void) at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ + + /* + * Static memory controller timing adjustments. + * REVISIT: these timings are in terms of MCK cycles, so + * when MCK changes (cpufreq etc) so must these values... + */ + at91_sys_write(AT91_SMC_CSR(4), AT91_SMC_ACSS_STD | AT91_SMC_DBW_16 | AT91_SMC_BAT | AT91_SMC_WSEN + | AT91_SMC_NWS_(32) /* wait states */ + | AT91_SMC_RWSETUP_(6) /* setup time */ + | AT91_SMC_RWHOLD_(4) /* hold time */ + ); + + /* must be a GPIO; ergo must trigger on both edges */ + status = request_irq(board->det_pin, at91_cf_irq, + SA_SAMPLE_RANDOM, driver_name, cf); + if (status < 0) + goto fail0; + + /* + * The card driver will request this irq later as needed. + * but it causes lots of "irqNN: nobody cared" messages + * unless we report that we handle everything (sigh). + * (Note: DK board doesn't wire the IRQ pin...) + */ + if (board->irq_pin) { + status = request_irq(board->irq_pin, at91_cf_irq, + SA_SHIRQ, driver_name, cf); + if (status < 0) + goto fail0a; + cf->socket.pci_irq = board->irq_pin; + } + else + cf->socket.pci_irq = NR_IRQS + 1; + + /* pcmcia layer only remaps "real" memory not iospace */ + cf->socket.io_offset = (unsigned long) ioremap(CF_IO_PHYS, SZ_2K); + if (!cf->socket.io_offset) + goto fail1; + + /* reserve CS4, CS5, and CS6 regions; but use just CS4 */ + if (!request_mem_region(AT91_CF_BASE, CF_SIZE, driver_name)) + goto fail1; + + pr_info("%s: irqs det #%d, io #%d\n", driver_name, + board->det_pin, board->irq_pin); + + cf->socket.owner = THIS_MODULE; + cf->socket.dev.dev = dev; + cf->socket.ops = &at91_cf_ops; + cf->socket.resource_ops = &pccard_static_ops; + cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP + | SS_CAP_MEM_ALIGN; + cf->socket.map_size = SZ_2K; + cf->socket.io[0].NumPorts = SZ_2K; + + status = pcmcia_register_socket(&cf->socket); + if (status < 0) + goto fail2; + + return 0; + +fail2: + iounmap((void __iomem *) cf->socket.io_offset); + release_mem_region(AT91_CF_BASE, CF_SIZE); +fail1: + if (board->irq_pin) + free_irq(board->irq_pin, cf); +fail0a: + free_irq(board->det_pin, cf); +fail0: + at91_sys_write(AT91_EBI_CSA, csa); + kfree(cf); + return status; +} + +static int __exit at91_cf_remove(struct device *dev) +{ + struct at91_cf_socket *cf = dev_get_drvdata(dev); + unsigned int csa; + + pcmcia_unregister_socket(&cf->socket); + free_irq(cf->board->irq_pin, cf); + free_irq(cf->board->det_pin, cf); + iounmap((void __iomem *) cf->socket.io_offset); + release_mem_region(AT91_CF_BASE, CF_SIZE); + + csa = at91_sys_read(AT91_EBI_CSA); + at91_sys_write(AT91_EBI_CSA, csa & ~AT91_EBI_CS4A); + + kfree(cf); + return 0; +} + +static struct device_driver at91_cf_driver = { + .name = (char *) driver_name, + .bus = &platform_bus_type, + .probe = at91_cf_probe, + .remove = __exit_p(at91_cf_remove), + .suspend = pcmcia_socket_dev_suspend, + .resume = pcmcia_socket_dev_resume, +}; + +/*--------------------------------------------------------------------------*/ + +static int __init at91_cf_init(void) +{ + return driver_register(&at91_cf_driver); +} +module_init(at91_cf_init); + +static void __exit at91_cf_exit(void) +{ + driver_unregister(&at91_cf_driver); +} +module_exit(at91_cf_exit); + +MODULE_DESCRIPTION("AT91 Compact Flash Driver"); +MODULE_AUTHOR("David Brownell"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 5f2a71fcb7995633b335a1e380ac63a968e61320 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 09:32:39 +0100 Subject: [PATCH] pcmcia: add pcmcia_disable_device pcmcia_disable_device(struct pcmcia_device *p_dev) performs the necessary cleanups upon device or driver removal: it calls the appropriate pcmcia_release_* functions, and can replace (most) of the current drivers' _release() functions. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_resource.c | 71 +++++++++++++++++++++++----------------- 1 file changed, 41 insertions(+), 30 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index dbd5571064d..555c8698ebd 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -451,20 +451,20 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) { pccard_io_map io = { 0, 0, 0, 0, 1 }; struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; int i; - if (!(p_dev->state & CLIENT_CONFIG_LOCKED)) - return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_CONFIG_LOCKED; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = p_dev->function_config; + if (p_dev->state & CLIENT_CONFIG_LOCKED) { + p_dev->state &= ~CLIENT_CONFIG_LOCKED; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); } + } + if (c->state & CONFIG_LOCKED) { + c->state &= ~CONFIG_LOCKED; if (c->state & CONFIG_IO_REQ) for (i = 0; i < MAX_IO_WIN; i++) { if (!s->io[i].res) @@ -475,7 +475,6 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) io.map = i; s->ops->set_io_map(s, &io); } - c->state &= ~CONFIG_LOCKED; } return CS_SUCCESS; @@ -494,22 +493,20 @@ EXPORT_SYMBOL(pcmcia_release_configuration); int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) { struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; if (!(p_dev->state & CLIENT_IO_REQ)) return CS_BAD_HANDLE; + p_dev->state &= ~CLIENT_IO_REQ; - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = p_dev->function_config; - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if ((c->io.BasePort1 != req->BasePort1) || - (c->io.NumPorts1 != req->NumPorts1) || - (c->io.BasePort2 != req->BasePort2) || - (c->io.NumPorts2 != req->NumPorts2)) - return CS_BAD_ARGS; - c->state &= ~CONFIG_IO_REQ; - } + if ((c->io.BasePort1 != req->BasePort1) || + (c->io.NumPorts1 != req->NumPorts1) || + (c->io.BasePort2 != req->BasePort2) || + (c->io.NumPorts2 != req->NumPorts2)) + return CS_BAD_ARGS; + + c->state &= ~CONFIG_IO_REQ; release_io_space(s, req->BasePort1, req->NumPorts1); if (req->NumPorts2) @@ -523,22 +520,21 @@ EXPORT_SYMBOL(pcmcia_release_io); int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) { struct pcmcia_socket *s = p_dev->socket; + config_t *c= p_dev->function_config; + if (!(p_dev->state & CLIENT_IRQ_REQ)) return CS_BAD_HANDLE; p_dev->state &= ~CLIENT_IRQ_REQ; - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c= p_dev->function_config; - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if (c->irq.Attributes != req->Attributes) - return CS_BAD_ATTRIBUTE; - if (s->irq.AssignedIRQ != req->AssignedIRQ) - return CS_BAD_IRQ; - if (--s->irq.Config == 0) { - c->state &= ~CONFIG_IRQ_REQ; - s->irq.AssignedIRQ = 0; - } + if (c->state & CONFIG_LOCKED) + return CS_CONFIGURATION_LOCKED; + if (c->irq.Attributes != req->Attributes) + return CS_BAD_ATTRIBUTE; + if (s->irq.AssignedIRQ != req->AssignedIRQ) + return CS_BAD_IRQ; + if (--s->irq.Config == 0) { + c->state &= ~CONFIG_IRQ_REQ; + s->irq.AssignedIRQ = 0; } if (req->Attributes & IRQ_HANDLE_PRESENT) { @@ -929,3 +925,18 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h return CS_SUCCESS; } /* pcmcia_request_window */ EXPORT_SYMBOL(pcmcia_request_window); + +void pcmcia_disable_device(struct pcmcia_device *p_dev) { + if (!p_dev->instance) + return; + + pcmcia_release_configuration(p_dev); + pcmcia_release_io(p_dev, &p_dev->instance->io); + pcmcia_release_irq(p_dev, &p_dev->instance->irq); + if (&p_dev->instance->win) + pcmcia_release_window(p_dev->instance->win); + + p_dev->instance->dev = NULL; + p_dev->instance->state &= ~DEV_CONFIG; +} +EXPORT_SYMBOL(pcmcia_disable_device); -- cgit v1.2.3 From 50db3fdbbc98260fb538c1cc3f8cc597ba7bffe7 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 10:05:19 +0100 Subject: [PATCH] pcmcia: convert remaining users of pcmcia_release_io and _irq Convert the remaining drivers which use pcmcia_release_io or pcmcia_release_irq, and remove the EXPORT of these symbols. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_resource.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 555c8698ebd..f4dcea6ac44 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -514,7 +514,6 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) return CS_SUCCESS; } /* pcmcia_release_io */ -EXPORT_SYMBOL(pcmcia_release_io); int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) @@ -547,7 +546,6 @@ int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) return CS_SUCCESS; } /* pcmcia_release_irq */ -EXPORT_SYMBOL(pcmcia_release_irq); int pcmcia_release_window(window_handle_t win) @@ -937,6 +935,5 @@ void pcmcia_disable_device(struct pcmcia_device *p_dev) { pcmcia_release_window(p_dev->instance->win); p_dev->instance->dev = NULL; - p_dev->instance->state &= ~DEV_CONFIG; } EXPORT_SYMBOL(pcmcia_disable_device); -- cgit v1.2.3 From 8661bb5b4af1849c1f5a4e80c4e275fd13c155d6 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Thu, 2 Mar 2006 00:02:33 +0100 Subject: [PATCH] pcmcia: default suspend and resume handling In all but one case, the suspend and resume functions of PCMCIA drivers contain mostly of calls to pcmcia_release_configuration() and pcmcia_request_configuration(). Therefore, move this code out of the drivers and into the core. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 30 ++++++++++++++++++++++++++---- 1 file changed, 26 insertions(+), 4 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 16159e9d1b2..ec2d4166a2e 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -10,7 +10,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2005 Dominik Brodowski + * (C) 2003 - 2006 Dominik Brodowski */ #include @@ -1030,12 +1030,22 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; + int ret; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->suspend) - return p_drv->suspend(p_dev); + if (p_drv && p_drv->suspend) { + ret = p_drv->suspend(p_dev); + if (ret) + return ret; + if (p_dev->instance) { + p_dev->instance->state |= DEV_SUSPEND; + if ((p_dev->instance->state & DEV_CONFIG) && + !(p_dev->instance->state & DEV_SUSPEND_NORELEASE)) + pcmcia_release_configuration(p_dev); + } + } return 0; } @@ -1045,12 +1055,24 @@ static int pcmcia_dev_resume(struct device * dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; + int ret; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->resume) + if (p_drv && p_drv->resume) { + if (p_dev->instance) { + p_dev->instance->state &= ~DEV_SUSPEND; + if ((p_dev->instance->state & DEV_CONFIG) && + !(p_dev->instance->state & DEV_SUSPEND_NORELEASE)){ + ret = pcmcia_request_configuration(p_dev, + &p_dev->instance->conf); + if (ret) + return ret; + } + } return p_drv->resume(p_dev); + } return 0; } -- cgit v1.2.3 From 4bbed5231468014b500b048d7370a1c6c349231a Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 11:18:12 +0100 Subject: [PATCH] pcmcia: remove export of pcmcia_release_configuration Handle the _modifying_ operation sm91c92_cs requires in pcmcia_modify_configuration, so that the only remaining users of pcmcia_release_configuration() are within the pcmcia core module. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds_internal.h | 2 ++ drivers/pcmcia/pcmcia_resource.c | 23 ++++++++++++++++++++++- 2 files changed, 24 insertions(+), 1 deletion(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds_internal.h b/drivers/pcmcia/ds_internal.h index 783d8617a05..3a2b25e6ed7 100644 --- a/drivers/pcmcia/ds_internal.h +++ b/drivers/pcmcia/ds_internal.h @@ -8,6 +8,8 @@ extern void pcmcia_put_dev(struct pcmcia_device *p_dev); struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function); +extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); + #ifdef CONFIG_PCMCIA_IOCTL extern void __init pcmcia_setup_ioctl(void); extern void __exit pcmcia_cleanup_ioctl(void); diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index f4dcea6ac44..16504f852af 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -442,6 +442,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, (mod->Attributes & CONF_VPP2_CHANGE_VALID)) return CS_BAD_VPP; + if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { + pccard_io_map io_off = { 0, 0, 0, 0, 1 }; + pccard_io_map io_on; + int i; + + io_on.speed = io_speed; + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + io_off.map = i; + io_on.map = i; + + io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; + io_on.start = s->io[i].res->start; + io_on.stop = s->io[i].res->end; + + s->ops->set_io_map(s, &io_off); + mdelay(40); + s->ops->set_io_map(s, &io_on); + } + } + return CS_SUCCESS; } /* modify_configuration */ EXPORT_SYMBOL(pcmcia_modify_configuration); @@ -479,7 +501,6 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) return CS_SUCCESS; } /* pcmcia_release_configuration */ -EXPORT_SYMBOL(pcmcia_release_configuration); /** pcmcia_release_io -- cgit v1.2.3 From 70294b468302fd7a0a99dad935c7ba5322989345 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 12:43:16 +0100 Subject: [PATCH] pcmcia: remove unneeded Vcc pseudo setting As we do not allow setting Vcc in the pcmcia core, and Vpp1 and Vpp2 can only be set to the same value, a lot of code can be streamlined. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_resource.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 16504f852af..17e2fbf26e1 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -618,11 +618,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, return CS_CONFIGURATION_LOCKED; /* Do power control. We don't allow changes in Vcc. */ - if (s->socket.Vcc != req->Vcc) - return CS_BAD_VCC; - if (req->Vpp1 != req->Vpp2) - return CS_BAD_VPP; - s->socket.Vpp = req->Vpp1; + s->socket.Vpp = req->Vpp; if (s->ops->set_socket(s, &s->socket)) return CS_BAD_VPP; -- cgit v1.2.3 From a78f4dd331a4f6a396eb5849656a4a72a70a56d7 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 15 Jan 2006 16:26:00 +0100 Subject: [PATCH] pcmcia: rename pcmcia_device.state Rename pcmcia_device.state (which is used in very few places) to p_state in order to avoid a namespace collision when moving the deprecated dev_link_t into struct pcmcia_device Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 12 ++++++------ drivers/pcmcia/pcmcia_resource.c | 24 ++++++++++++------------ 2 files changed, 18 insertions(+), 18 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index ec2d4166a2e..488448a12b2 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -390,7 +390,7 @@ static int pcmcia_device_probe(struct device * dev) goto put_dev; } - p_dev->state &= ~CLIENT_UNBOUND; + p_dev->p_state &= ~CLIENT_UNBOUND; ret = p_drv->probe(p_dev); if (ret) @@ -433,17 +433,17 @@ static int pcmcia_device_remove(struct device * dev) p_drv->remove(p_dev); /* check for proper unloading */ - if (p_dev->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) + if (p_dev->p_state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) printk(KERN_INFO "pcmcia: driver %s did not release config properly\n", p_drv->drv.name); for (i = 0; i < MAX_WIN; i++) - if (p_dev->state & CLIENT_WIN_REQ(i)) + if (p_dev->p_state & CLIENT_WIN_REQ(i)) printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n", p_drv->drv.name); /* references from pcmcia_probe_device */ - p_dev->state = CLIENT_UNBOUND; + p_dev->p_state = CLIENT_UNBOUND; pcmcia_put_dev(p_dev); module_put(p_drv->owner); @@ -472,7 +472,7 @@ static void pcmcia_card_remove(struct pcmcia_socket *s) } p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); list_del(&p_dev->socket_device_list); - p_dev->state |= CLIENT_STALE; + p_dev->p_state |= CLIENT_STALE; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); device_unregister(&p_dev->dev); @@ -602,7 +602,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id); /* compat */ - p_dev->state = CLIENT_UNBOUND; + p_dev->p_state = CLIENT_UNBOUND; spin_lock_irqsave(&pcmcia_dev_list_lock, flags); diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 17e2fbf26e1..ab0bbb6207b 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -476,8 +476,8 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) config_t *c = p_dev->function_config; int i; - if (p_dev->state & CLIENT_CONFIG_LOCKED) { - p_dev->state &= ~CLIENT_CONFIG_LOCKED; + if (p_dev->p_state & CLIENT_CONFIG_LOCKED) { + p_dev->p_state &= ~CLIENT_CONFIG_LOCKED; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; @@ -516,10 +516,10 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) struct pcmcia_socket *s = p_dev->socket; config_t *c = p_dev->function_config; - if (!(p_dev->state & CLIENT_IO_REQ)) + if (!(p_dev->p_state & CLIENT_IO_REQ)) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IO_REQ; + p_dev->p_state &= ~CLIENT_IO_REQ; if ((c->io.BasePort1 != req->BasePort1) || (c->io.NumPorts1 != req->NumPorts1) || @@ -542,9 +542,9 @@ int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) struct pcmcia_socket *s = p_dev->socket; config_t *c= p_dev->function_config; - if (!(p_dev->state & CLIENT_IRQ_REQ)) + if (!(p_dev->p_state & CLIENT_IRQ_REQ)) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IRQ_REQ; + p_dev->p_state &= ~CLIENT_IRQ_REQ; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; @@ -576,7 +576,7 @@ int pcmcia_release_window(window_handle_t win) if ((win == NULL) || (win->magic != WINDOW_MAGIC)) return CS_BAD_HANDLE; s = win->sock; - if (!(win->handle->state & CLIENT_WIN_REQ(win->index))) + if (!(win->handle->p_state & CLIENT_WIN_REQ(win->index))) return CS_BAD_HANDLE; /* Shut down memory window */ @@ -590,7 +590,7 @@ int pcmcia_release_window(window_handle_t win) kfree(win->ctl.res); win->ctl.res = NULL; } - win->handle->state &= ~CLIENT_WIN_REQ(win->index); + win->handle->p_state &= ~CLIENT_WIN_REQ(win->index); win->magic = 0; @@ -708,7 +708,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, } c->state |= CONFIG_LOCKED; - p_dev->state |= CLIENT_CONFIG_LOCKED; + p_dev->p_state |= CLIENT_CONFIG_LOCKED; return CS_SUCCESS; } /* pcmcia_request_configuration */ EXPORT_SYMBOL(pcmcia_request_configuration); @@ -754,7 +754,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) c->io = *req; c->state |= CONFIG_IO_REQ; - p_dev->state |= CLIENT_IO_REQ; + p_dev->p_state |= CLIENT_IO_REQ; return CS_SUCCESS; } /* pcmcia_request_io */ EXPORT_SYMBOL(pcmcia_request_io); @@ -850,7 +850,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) s->irq.Config++; c->state |= CONFIG_IRQ_REQ; - p_dev->state |= CLIENT_IRQ_REQ; + p_dev->p_state |= CLIENT_IRQ_REQ; #ifdef CONFIG_PCMCIA_PROBE pcmcia_used_irq[irq]++; @@ -910,7 +910,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h if (!win->ctl.res) return CS_IN_USE; } - (*p_dev)->state |= CLIENT_WIN_REQ(w); + (*p_dev)->p_state |= CLIENT_WIN_REQ(w); /* Configure the socket controller */ win->ctl.map = w+1; -- cgit v1.2.3 From fd238232cd0ff4840ae6946bb338502154096d88 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 5 Mar 2006 10:45:09 +0100 Subject: [PATCH] pcmcia: embed dev_link_t into struct pcmcia_device Embed dev_link_t into struct pcmcia_device(), as they basically address the same entity. The actual contents of dev_link_t will be cleaned up step by step. This patch includes a bugfix from and signed-off-by Andrew Morton. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 19 ++++++++----------- drivers/pcmcia/pcmcia_ioctl.c | 9 ++++----- drivers/pcmcia/pcmcia_resource.c | 13 +++++-------- 3 files changed, 17 insertions(+), 24 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 488448a12b2..4ab956843d8 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -391,6 +391,7 @@ static int pcmcia_device_probe(struct device * dev) } p_dev->p_state &= ~CLIENT_UNBOUND; + p_dev->handle = p_dev; ret = p_drv->probe(p_dev); if (ret) @@ -1039,12 +1040,10 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) ret = p_drv->suspend(p_dev); if (ret) return ret; - if (p_dev->instance) { - p_dev->instance->state |= DEV_SUSPEND; - if ((p_dev->instance->state & DEV_CONFIG) && - !(p_dev->instance->state & DEV_SUSPEND_NORELEASE)) + p_dev->state |= DEV_SUSPEND; + if ((p_dev->state & DEV_CONFIG) && + !(p_dev->state & DEV_SUSPEND_NORELEASE)) pcmcia_release_configuration(p_dev); - } } return 0; @@ -1061,16 +1060,14 @@ static int pcmcia_dev_resume(struct device * dev) p_drv = to_pcmcia_drv(dev->driver); if (p_drv && p_drv->resume) { - if (p_dev->instance) { - p_dev->instance->state &= ~DEV_SUSPEND; - if ((p_dev->instance->state & DEV_CONFIG) && - !(p_dev->instance->state & DEV_SUSPEND_NORELEASE)){ + p_dev->state &= ~DEV_SUSPEND; + if ((p_dev->state & DEV_CONFIG) && + !(p_dev->state & DEV_SUSPEND_NORELEASE)){ ret = pcmcia_request_configuration(p_dev, - &p_dev->instance->conf); + &p_dev->conf); if (ret) return ret; } - } return p_drv->resume(p_dev); } diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index be08bc9e99f..2b11a332175 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -229,7 +229,7 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info) * by userspace before, we need to * return the "instance". */ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - bind_info->instance = p_dev->instance; + bind_info->instance = p_dev; ret = -EBUSY; goto err_put_module; } else { @@ -358,16 +358,15 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int found: spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - if ((!p_dev->instance) || - (p_dev->instance->state & DEV_CONFIG_PENDING)) { + if (p_dev->state & DEV_CONFIG_PENDING) { ret = -EAGAIN; goto err_put; } if (first) - node = p_dev->instance->dev; + node = p_dev->dev_node; else - for (node = p_dev->instance->dev; node; node = node->next) + for (node = p_dev->dev_node; node; node = node->next) if (node == bind_info->next) break; if (!node) { diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index ab0bbb6207b..93ab9402d37 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -942,15 +942,12 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h EXPORT_SYMBOL(pcmcia_request_window); void pcmcia_disable_device(struct pcmcia_device *p_dev) { - if (!p_dev->instance) - return; - pcmcia_release_configuration(p_dev); - pcmcia_release_io(p_dev, &p_dev->instance->io); - pcmcia_release_irq(p_dev, &p_dev->instance->irq); - if (&p_dev->instance->win) - pcmcia_release_window(p_dev->instance->win); + pcmcia_release_io(p_dev, &p_dev->io); + pcmcia_release_irq(p_dev, &p_dev->irq); + if (&p_dev->win) + pcmcia_release_window(p_dev->win); - p_dev->instance->dev = NULL; + p_dev->dev_node = NULL; } EXPORT_SYMBOL(pcmcia_disable_device); -- cgit v1.2.3 From fba395eee7d3f342ca739c20f5b3ee635d0420a0 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 31 Mar 2006 17:21:06 +0200 Subject: [PATCH] pcmcia: remove dev_link_t and client_handle_t indirection dev_link_t * and client_handle_t both mean struct pcmcai_device * by now. Therefore, remove all such indirections. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 2 +- drivers/pcmcia/ds.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index ad04ad4386b..ecc579bbaeb 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -31,7 +31,7 @@ typedef struct region_t { u_short region_magic; u_short state; dev_info_t dev_info; - client_handle_t mtd; + struct pcmcia_device *mtd; u_int MediaID; region_info_t info; } region_t; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 4ab956843d8..e8fe544f2e9 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -391,7 +391,6 @@ static int pcmcia_device_probe(struct device * dev) } p_dev->p_state &= ~CLIENT_UNBOUND; - p_dev->handle = p_dev; ret = p_drv->probe(p_dev); if (ret) -- cgit v1.2.3 From b4c884000a7d3664dd8ad7227241456bd7824d86 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 18 Jan 2006 23:53:13 -0800 Subject: [PATCH] pcmcia: make pcmcia_release_{io,irq} static We can now make pcmcia_release_{io,irq} static. Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 93ab9402d37..dbf167c979f 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -511,7 +511,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) * don't bother checking the port ranges against the current socket * values. */ -int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) +static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) { struct pcmcia_socket *s = p_dev->socket; config_t *c = p_dev->function_config; @@ -537,7 +537,7 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) } /* pcmcia_release_io */ -int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) +static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) { struct pcmcia_socket *s = p_dev->socket; config_t *c= p_dev->function_config; -- cgit v1.2.3 From f6fbe01ac976f3ec618cd5fb71ad9ce2cfa7ab2b Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 20 Jan 2006 15:10:23 +0100 Subject: [PATCH] pcmcia: remove unused p_dev->state flags Remove the unused DEV_RELEASE_PENDING flag, and move the DEV_SUSPEND flag into the p_dev structure, and make use of it at the core level. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 48 +++++++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 23 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index e8fe544f2e9..34e634aa48e 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -945,7 +945,7 @@ static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - if (p_dev->dev.power.power_state.event != PM_EVENT_ON) + if (p_dev->suspended) return sprintf(buf, "off\n"); else return sprintf(buf, "on\n"); @@ -960,11 +960,9 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute if (!count) return -EINVAL; - if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) && - (!strncmp(buf, "off", 3))) + if ((!p_dev->suspended) && !strncmp(buf, "off", 3)) ret = dpm_runtime_suspend(dev, PMSG_SUSPEND); - else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) && - (!strncmp(buf, "on", 2))) + else if (p_dev->suspended && !strncmp(buf, "on", 2)) dpm_runtime_resume(dev); return ret ? ret : count; @@ -1030,7 +1028,7 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; - int ret; + int ret = 0; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); @@ -1038,14 +1036,16 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) if (p_drv && p_drv->suspend) { ret = p_drv->suspend(p_dev); if (ret) - return ret; - p_dev->state |= DEV_SUSPEND; - if ((p_dev->state & DEV_CONFIG) && - !(p_dev->state & DEV_SUSPEND_NORELEASE)) - pcmcia_release_configuration(p_dev); + goto out; + if ((p_dev->state & DEV_CONFIG) && + !(p_dev->state & DEV_SUSPEND_NORELEASE)) + pcmcia_release_configuration(p_dev); } - return 0; + out: + if (!ret) + p_dev->suspended = 1; + return ret; } @@ -1053,24 +1053,26 @@ static int pcmcia_dev_resume(struct device * dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; - int ret; + int ret = 0; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); if (p_drv && p_drv->resume) { - p_dev->state &= ~DEV_SUSPEND; - if ((p_dev->state & DEV_CONFIG) && - !(p_dev->state & DEV_SUSPEND_NORELEASE)){ - ret = pcmcia_request_configuration(p_dev, - &p_dev->conf); - if (ret) - return ret; - } - return p_drv->resume(p_dev); + if ((p_dev->state & DEV_CONFIG) && + !(p_dev->state & DEV_SUSPEND_NORELEASE)){ + ret = pcmcia_request_configuration(p_dev, + &p_dev->conf); + if (ret) + goto out; + } + ret = p_drv->resume(p_dev); } - return 0; + out: + if (!ret) + p_dev->suspended = 0; + return ret; } -- cgit v1.2.3 From e2d4096365e06b9a3799afbadc28b4519c0b3526 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Thu, 2 Mar 2006 00:09:29 +0100 Subject: [PATCH] pcmcia: use bitfield instead of p_state and state Instead of the two status values struct pcmcia_device->p_state and state, use descriptive bitfields. Most value-checking in drivers was invalid, as the core now only calls the ->remove() (a.k.a. detach) function in case the attachement _and_ configuration was successful. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 2 +- drivers/pcmcia/ds.c | 41 +++++++++++++++++++--------------------- drivers/pcmcia/pcmcia_ioctl.c | 4 +++- drivers/pcmcia/pcmcia_resource.c | 24 +++++++++++------------ 4 files changed, 35 insertions(+), 36 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index ecc579bbaeb..d6164cd583f 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -23,7 +23,7 @@ #define CLIENT_IO_REQ 0x0004 #define CLIENT_UNBOUND 0x0008 #define CLIENT_STALE 0x0010 -#define CLIENT_WIN_REQ(i) (0x20<<(i)) +#define CLIENT_WIN_REQ(i) (0x1<<(i)) #define CLIENT_CARDBUS 0x8000 #define REGION_MAGIC 0xE3C9 diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 34e634aa48e..8c87343707c 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -390,8 +390,6 @@ static int pcmcia_device_probe(struct device * dev) goto put_dev; } - p_dev->p_state &= ~CLIENT_UNBOUND; - ret = p_drv->probe(p_dev); if (ret) goto put_module; @@ -433,17 +431,16 @@ static int pcmcia_device_remove(struct device * dev) p_drv->remove(p_dev); /* check for proper unloading */ - if (p_dev->p_state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) + if (p_dev->_irq || p_dev->_io || p_dev->_locked) printk(KERN_INFO "pcmcia: driver %s did not release config properly\n", p_drv->drv.name); for (i = 0; i < MAX_WIN; i++) - if (p_dev->p_state & CLIENT_WIN_REQ(i)) + if (p_dev->_win & CLIENT_WIN_REQ(i)) printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n", p_drv->drv.name); /* references from pcmcia_probe_device */ - p_dev->p_state = CLIENT_UNBOUND; pcmcia_put_dev(p_dev); module_put(p_drv->owner); @@ -472,7 +469,6 @@ static void pcmcia_card_remove(struct pcmcia_socket *s) } p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); list_del(&p_dev->socket_device_list); - p_dev->p_state |= CLIENT_STALE; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); device_unregister(&p_dev->dev); @@ -602,9 +598,6 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id); /* compat */ - p_dev->p_state = CLIENT_UNBOUND; - - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); /* @@ -1033,15 +1026,18 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->suspend) { + if (!p_drv) + goto out; + + if (p_drv->suspend) { ret = p_drv->suspend(p_dev); if (ret) goto out; - if ((p_dev->state & DEV_CONFIG) && - !(p_dev->state & DEV_SUSPEND_NORELEASE)) - pcmcia_release_configuration(p_dev); } + if (p_dev->device_no == p_dev->func) + pcmcia_release_configuration(p_dev); + out: if (!ret) p_dev->suspended = 1; @@ -1058,17 +1054,18 @@ static int pcmcia_dev_resume(struct device * dev) if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->resume) { - if ((p_dev->state & DEV_CONFIG) && - !(p_dev->state & DEV_SUSPEND_NORELEASE)){ - ret = pcmcia_request_configuration(p_dev, - &p_dev->conf); - if (ret) - goto out; - } - ret = p_drv->resume(p_dev); + if (!p_drv) + goto out; + + if (p_dev->device_no == p_dev->func) { + ret = pcmcia_request_configuration(p_dev, &p_dev->conf); + if (ret) + goto out; } + if (p_drv->resume) + ret = p_drv->resume(p_dev); + out: if (!ret) p_dev->suspended = 0; diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 2b11a332175..c53db7ceda5 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -304,6 +304,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int { dev_node_t *node; struct pcmcia_device *p_dev; + struct pcmcia_driver *p_drv; unsigned long flags; int ret = 0; @@ -358,7 +359,8 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int found: spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - if (p_dev->state & DEV_CONFIG_PENDING) { + p_drv = to_pcmcia_drv(p_dev->dev.driver); + if (p_drv && !p_dev->_locked) { ret = -EAGAIN; goto err_put; } diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index dbf167c979f..45063b4e5b7 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -476,8 +476,8 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) config_t *c = p_dev->function_config; int i; - if (p_dev->p_state & CLIENT_CONFIG_LOCKED) { - p_dev->p_state &= ~CLIENT_CONFIG_LOCKED; + if (p_dev->_locked) { + p_dev->_locked = 0; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; @@ -516,10 +516,10 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) struct pcmcia_socket *s = p_dev->socket; config_t *c = p_dev->function_config; - if (!(p_dev->p_state & CLIENT_IO_REQ)) + if (!p_dev->_io ) return CS_BAD_HANDLE; - p_dev->p_state &= ~CLIENT_IO_REQ; + p_dev->_io = 0; if ((c->io.BasePort1 != req->BasePort1) || (c->io.NumPorts1 != req->NumPorts1) || @@ -542,9 +542,9 @@ static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) struct pcmcia_socket *s = p_dev->socket; config_t *c= p_dev->function_config; - if (!(p_dev->p_state & CLIENT_IRQ_REQ)) + if (!p_dev->_irq) return CS_BAD_HANDLE; - p_dev->p_state &= ~CLIENT_IRQ_REQ; + p_dev->_irq = 0; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; @@ -576,7 +576,7 @@ int pcmcia_release_window(window_handle_t win) if ((win == NULL) || (win->magic != WINDOW_MAGIC)) return CS_BAD_HANDLE; s = win->sock; - if (!(win->handle->p_state & CLIENT_WIN_REQ(win->index))) + if (!(win->handle->_win & CLIENT_WIN_REQ(win->index))) return CS_BAD_HANDLE; /* Shut down memory window */ @@ -590,7 +590,7 @@ int pcmcia_release_window(window_handle_t win) kfree(win->ctl.res); win->ctl.res = NULL; } - win->handle->p_state &= ~CLIENT_WIN_REQ(win->index); + win->handle->_win &= ~CLIENT_WIN_REQ(win->index); win->magic = 0; @@ -708,7 +708,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, } c->state |= CONFIG_LOCKED; - p_dev->p_state |= CLIENT_CONFIG_LOCKED; + p_dev->_locked = 1; return CS_SUCCESS; } /* pcmcia_request_configuration */ EXPORT_SYMBOL(pcmcia_request_configuration); @@ -754,7 +754,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) c->io = *req; c->state |= CONFIG_IO_REQ; - p_dev->p_state |= CLIENT_IO_REQ; + p_dev->_io = 1; return CS_SUCCESS; } /* pcmcia_request_io */ EXPORT_SYMBOL(pcmcia_request_io); @@ -850,7 +850,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) s->irq.Config++; c->state |= CONFIG_IRQ_REQ; - p_dev->p_state |= CLIENT_IRQ_REQ; + p_dev->_irq = 1; #ifdef CONFIG_PCMCIA_PROBE pcmcia_used_irq[irq]++; @@ -910,7 +910,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h if (!win->ctl.res) return CS_IN_USE; } - (*p_dev)->p_state |= CLIENT_WIN_REQ(w); + (*p_dev)->_win |= CLIENT_WIN_REQ(w); /* Configure the socket controller */ win->ctl.map = w+1; -- cgit v1.2.3 From 9940ec3617fec1db13e589bbc3f37e37878c7683 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 5 Mar 2006 11:04:33 +0100 Subject: [PATCH] pcmcia: convert DEV_OK to pcmcia_dev_present Instead of the DEV_OK macro, drivers should use pcmcia_dev_present(). Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 8c87343707c..677105e3575 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -469,6 +469,7 @@ static void pcmcia_card_remove(struct pcmcia_socket *s) } p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); list_del(&p_dev->socket_device_list); + p_dev->_removed=1; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); device_unregister(&p_dev->dev); @@ -1163,6 +1164,32 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) } /* ds_event */ +struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) +{ + struct pcmcia_device *p_dev; + struct pcmcia_device *ret = NULL; + + p_dev = pcmcia_get_dev(_p_dev); + if (!p_dev) + return NULL; + + if (!p_dev->socket->pcmcia_state.present) + goto out; + + if (p_dev->_removed) + goto out; + + if (p_dev->suspended) + goto out; + + ret = p_dev; + out: + pcmcia_put_dev(p_dev); + return ret; +} +EXPORT_SYMBOL(pcmcia_dev_present); + + static struct pcmcia_callback pcmcia_bus_callback = { .owner = THIS_MODULE, .event = ds_event, -- cgit v1.2.3 From d6ff5a8532b553e4d85ea65c99eaa0794edf5311 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 5 Feb 2006 09:51:34 +0100 Subject: [PATCH] pcmcia: pseudo device handling update If the driver for the primary pseudo device is removed from the device, the secondary driver must be removed as well -- it cannot exist on its own. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 81 +++++++++++++++++++++++++++++++---------------------- 1 file changed, 48 insertions(+), 33 deletions(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 677105e3575..8966dd09139 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -415,15 +415,61 @@ static int pcmcia_device_probe(struct device * dev) } +/* + * Removes a PCMCIA card from the device tree and socket list. + */ +static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *leftover) +{ + struct pcmcia_device *p_dev; + struct pcmcia_device *tmp; + unsigned long flags; + + ds_dbg(2, "unbind_request(%d)\n", s->sock); + + + if (!leftover) + s->device_count = 0; + else + s->device_count = 1; + + /* unregister all pcmcia_devices registered with this socket, except leftover */ + list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) { + if (p_dev == leftover) + continue; + + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_del(&p_dev->socket_device_list); + p_dev->_removed=1; + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + + device_unregister(&p_dev->dev); + } + + return; +} + + static int pcmcia_device_remove(struct device * dev) { struct pcmcia_device *p_dev; struct pcmcia_driver *p_drv; + struct pcmcia_device_id *did; int i; - /* detach the "instance" */ p_dev = to_pcmcia_dev(dev); p_drv = to_pcmcia_drv(dev->driver); + + /* If we're removing the primary module driving a + * pseudo multi-function card, we need to unbind + * all devices + */ + did = (struct pcmcia_device_id *) p_dev->dev.driver_data; + if ((did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && + (p_dev->socket->device_count != 0) && + (p_dev->device_no == 0)) + pcmcia_card_remove(p_dev->socket, p_dev); + + /* detach the "instance" */ if (!p_drv) return 0; @@ -448,37 +494,6 @@ static int pcmcia_device_remove(struct device * dev) } -/* - * Removes a PCMCIA card from the device tree and socket list. - */ -static void pcmcia_card_remove(struct pcmcia_socket *s) -{ - struct pcmcia_device *p_dev; - unsigned long flags; - - ds_dbg(2, "unbind_request(%d)\n", s->sock); - - s->device_count = 0; - - for (;;) { - /* unregister all pcmcia_devices registered with this socket*/ - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - if (list_empty(&s->devices_list)) { - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - return; - } - p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); - list_del(&p_dev->socket_device_list); - p_dev->_removed=1; - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - device_unregister(&p_dev->dev); - } - - return; -} /* unbind_request */ - - /* * pcmcia_device_query -- determine information about a pcmcia device */ @@ -1136,7 +1151,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) switch (event) { case CS_EVENT_CARD_REMOVAL: s->pcmcia_state.present = 0; - pcmcia_card_remove(skt); + pcmcia_card_remove(skt, NULL); handle_event(skt, event); break; -- cgit v1.2.3 From b2f51a1cb4e1d72061d7a3f7905affdb7d074fec Mon Sep 17 00:00:00 2001 From: Hugh Dickins Date: Fri, 10 Mar 2006 21:15:19 +0000 Subject: [PATCH] pcmcia: fix pcmcia_device_remove oops Fix pcmcia_device_remove NULL pointer dereference at shutdown. Signed-off-by: Hugh Dickins Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/pcmcia') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 8966dd09139..ae10d1eed65 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -464,7 +464,7 @@ static int pcmcia_device_remove(struct device * dev) * all devices */ did = (struct pcmcia_device_id *) p_dev->dev.driver_data; - if ((did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && + if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && (p_dev->socket->device_count != 0) && (p_dev->device_no == 0)) pcmcia_card_remove(p_dev->socket, p_dev); -- cgit v1.2.3