From cc3b4866bee996c922e875b8c8efe9f0d8803aae Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Mon, 14 Nov 2005 21:23:14 +0100 Subject: [PATCH] pcmcia: unify detach, REMOVAL_EVENT handlers into one remove callback Unify the "detach" and REMOVAL_EVENT handlers to one "remove" function. Old functionality is preserved, for the moment. Signed-off-by: Dominik Brodowski --- drivers/char/pcmcia/cm4000_cs.c | 55 ++++++++++++--------------------------- drivers/char/pcmcia/cm4040_cs.c | 52 ++++++++++++------------------------ drivers/char/pcmcia/synclink_cs.c | 34 ++++++------------------ 3 files changed, 42 insertions(+), 99 deletions(-) (limited to 'drivers/char/pcmcia') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 05e93054c98..8a064f2f005 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -66,7 +66,7 @@ static char *version = "cm4000_cs.c v2.4.0gm5 - All bugs added by Harald Welte"; #define T_100MSEC msecs_to_jiffies(100) #define T_500MSEC msecs_to_jiffies(500) -static void cm4000_detach(dev_link_t *link); +static void cm4000_detach(struct pcmcia_device *p_dev); static void cm4000_release(dev_link_t *link); static int major; /* major number we get from the kernel */ @@ -1888,11 +1888,6 @@ static int cm4000_event(event_t event, int priority, link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; cm4000_config(link, devno); break; - case CS_EVENT_CARD_REMOVAL: - DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n"); - link->state &= ~DEV_PRESENT; - stop_monitor(dev); - break; default: DEBUGP(5, dev, "unknown event %.2x\n", event); break; @@ -1978,7 +1973,7 @@ static dev_link_t *cm4000_attach(void) i = pcmcia_register_client(&link->handle, &client_reg); if (i) { cs_error(link->handle, RegisterClient, i); - cm4000_detach(link); + cm4000_detach(link->handle); return NULL; } @@ -1990,39 +1985,28 @@ static dev_link_t *cm4000_attach(void) return link; } -static void cm4000_detach_by_devno(int devno, dev_link_t * link) +static void cm4000_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev = link->priv; + int devno; - DEBUGP(3, dev, "-> detach_by_devno(devno=%d)\n", devno); + /* find device */ + for (devno = 0; devno < CM4000_MAX_DEV; devno++) + if (dev_table[devno] == link) + break; + if (devno == CM4000_MAX_DEV) + return; - if (link->state & DEV_CONFIG) { - DEBUGP(5, dev, "device still configured (try to release it)\n"); - cm4000_release(link); - } + link->state &= ~DEV_PRESENT; + stop_monitor(dev); - if (link->handle) { - pcmcia_deregister_client(link->handle); - } + if (link->state & DEV_CONFIG) + cm4000_release(link); dev_table[devno] = NULL; - kfree(dev); - return; -} - -static void cm4000_detach(dev_link_t * link) -{ - int i; + kfree(dev); - /* find device */ - for (i = 0; i < CM4000_MAX_DEV; i++) - if (dev_table[i] == link) - break; - - if (i == CM4000_MAX_DEV) - return; - - cm4000_detach_by_devno(i, link); return; } @@ -2048,7 +2032,7 @@ static struct pcmcia_driver cm4000_driver = { .name = "cm4000_cs", }, .attach = cm4000_attach, - .detach = cm4000_detach, + .remove = cm4000_detach, .suspend = cm4000_suspend, .resume = cm4000_resume, .event = cm4000_event, @@ -2071,13 +2055,8 @@ static int __init cmm_init(void) static void __exit cmm_exit(void) { - int i; - printk(KERN_INFO MODULE_NAME ": unloading\n"); pcmcia_unregister_driver(&cm4000_driver); - for (i = 0; i < CM4000_MAX_DEV; i++) - if (dev_table[i]) - cm4000_detach_by_devno(i, dev_table[i]); unregister_chrdev(major, DEVICE_NAME); }; diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 3622fd39c47..e08ab949c11 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -65,7 +65,7 @@ static char *version = #define POLL_PERIOD msecs_to_jiffies(10) static void reader_release(dev_link_t *link); -static void reader_detach(dev_link_t *link); +static void reader_detach(struct pcmcia_device *p_dev); static int major; @@ -652,10 +652,6 @@ static int reader_event(event_t event, int priority, link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; reader_config(link, devno); break; - case CS_EVENT_CARD_REMOVAL: - DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n"); - link->state &= ~DEV_PRESENT; - break; default: DEBUGP(5, dev, "reader_event: unknown event %.2x\n", @@ -734,7 +730,7 @@ static dev_link_t *reader_attach(void) i = pcmcia_register_client(&link->handle, &client_reg); if (i) { cs_error(link->handle, RegisterClient, i); - reader_detach(link); + reader_detach(link->handle); return NULL; } init_waitqueue_head(&dev->devq); @@ -747,36 +743,28 @@ static dev_link_t *reader_attach(void) return link; } -static void reader_detach_by_devno(int devno, dev_link_t *link) +static void reader_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct reader_dev *dev = link->priv; - - if (link->state & DEV_CONFIG) { - DEBUGP(5, dev, "device still configured (try to release it)\n"); - reader_release(link); - } - - pcmcia_deregister_client(link->handle); - dev_table[devno] = NULL; - DEBUGP(5, dev, "freeing dev=%p\n", dev); - cm4040_stop_poll(dev); - kfree(dev); - return; -} - -static void reader_detach(dev_link_t *link) -{ - int i; + int devno; /* find device */ - for (i = 0; i < CM_MAX_DEV; i++) { - if (dev_table[i] == link) + for (devno = 0; devno < CM_MAX_DEV; devno++) { + if (dev_table[devno] == link) break; } - if (i == CM_MAX_DEV) + if (devno == CM_MAX_DEV) return; - reader_detach_by_devno(i, link); + link->state &= ~DEV_PRESENT; + + if (link->state & DEV_CONFIG) + reader_release(link); + + dev_table[devno] = NULL; + kfree(dev); + return; } @@ -803,7 +791,7 @@ static struct pcmcia_driver reader_driver = { .name = "cm4040_cs", }, .attach = reader_attach, - .detach = reader_detach, + .remove = reader_detach, .suspend = reader_suspend, .resume = reader_resume, .event = reader_event, @@ -825,14 +813,8 @@ static int __init cm4040_init(void) static void __exit cm4040_exit(void) { - int i; - printk(KERN_INFO MODULE_NAME ": unloading\n"); pcmcia_unregister_driver(&reader_driver); - for (i = 0; i < CM_MAX_DEV; i++) { - if (dev_table[i]) - reader_detach_by_devno(i, dev_table[i]); - } unregister_chrdev(major, DEVICE_NAME); } diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 776103e5604..34597144d9c 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -489,7 +489,7 @@ static void mgslpc_release(u_long arg); static int mgslpc_event(event_t event, int priority, event_callback_args_t *args); static dev_link_t *mgslpc_attach(void); -static void mgslpc_detach(dev_link_t *); +static void mgslpc_detach(struct pcmcia_device *p_dev); static dev_info_t dev_info = "synclink_cs"; static dev_link_t *dev_list = NULL; @@ -598,7 +598,7 @@ static dev_link_t *mgslpc_attach(void) ret = pcmcia_register_client(&link->handle, &client_reg); if (ret != CS_SUCCESS) { cs_error(link->handle, RegisterClient, ret); - mgslpc_detach(link); + mgslpc_detach(link->handle); return NULL; } @@ -736,17 +736,16 @@ static void mgslpc_release(u_long arg) pcmcia_release_io(link->handle, &link->io); if (link->irq.AssignedIRQ) pcmcia_release_irq(link->handle, &link->irq); - if (link->state & DEV_STALE_LINK) - mgslpc_detach(link); } -static void mgslpc_detach(dev_link_t *link) +static void mgslpc_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); dev_link_t **linkp; if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_detach(0x%p)\n", link); - + /* find device */ for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) if (*linkp == link) break; @@ -754,20 +753,10 @@ static void mgslpc_detach(dev_link_t *link) return; if (link->state & DEV_CONFIG) { - /* device is configured/active, mark it so when - * release() is called a proper detach() occurs. - */ - if (debug_level >= DEBUG_LEVEL_INFO) - printk(KERN_DEBUG "synclinkpc: detach postponed, '%s' " - "still locked\n", link->dev->dev_name); - link->state |= DEV_STALE_LINK; - return; + ((MGSLPC_INFO *)link->priv)->stop = 1; + mgslpc_release((u_long)link); } - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - /* Unlink device structure, and free it */ *linkp = link->next; mgslpc_remove_device((MGSLPC_INFO *)link->priv); @@ -809,13 +798,6 @@ static int mgslpc_event(event_t event, int priority, printk("mgslpc_event(0x%06x)\n", event); switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - ((MGSLPC_INFO *)link->priv)->stop = 1; - mgslpc_release((u_long)link); - } - break; case CS_EVENT_CARD_INSERTION: link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; mgslpc_config(link); @@ -3102,7 +3084,7 @@ static struct pcmcia_driver mgslpc_driver = { }, .attach = mgslpc_attach, .event = mgslpc_event, - .detach = mgslpc_detach, + .remove = mgslpc_detach, .id_table = mgslpc_ids, .suspend = mgslpc_suspend, .resume = mgslpc_resume, -- cgit v1.2.3