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/char/pcmcia/cm4000_cs.c | 3 +-- drivers/char/pcmcia/cm4040_cs.c | 3 +-- drivers/char/pcmcia/synclink_cs.c | 10 +--------- 3 files changed, 3 insertions(+), 13 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 5fdf185..3ddd3da 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1899,8 +1899,7 @@ static int cm4000_resume(struct pcmcia_device *p_dev) static void cm4000_release(dev_link_t *link) { cmm_cm4000_release(link->priv); /* delay release until device closed */ - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link->handle); } static int cm4000_attach(struct pcmcia_device *p_dev) diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 466e33b..1c355bd 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -654,8 +654,7 @@ static int reader_resume(struct pcmcia_device *p_dev) static void reader_release(dev_link_t *link) { cm4040_reader_release(link->priv); - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link->handle); } static int reader_attach(struct pcmcia_device *p_dev) diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index e6b714b..371d10b 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -710,15 +710,7 @@ static void mgslpc_release(u_long arg) if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_release(0x%p)\n", link); - /* Unlink the device chain */ - link->dev = NULL; - link->state &= ~DEV_CONFIG; - - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); + pcmcia_disable_device(link->handle); } static void mgslpc_detach(struct pcmcia_device *p_dev) -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 9 --------- drivers/char/pcmcia/cm4040_cs.c | 24 ------------------------ drivers/char/pcmcia/synclink_cs.c | 6 ------ 3 files changed, 39 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 3ddd3da..870decb 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1870,10 +1870,6 @@ static int cm4000_suspend(struct pcmcia_device *p_dev) struct cm4000_dev *dev; dev = link->priv; - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); stop_monitor(dev); return 0; @@ -1885,11 +1881,6 @@ static int cm4000_resume(struct pcmcia_device *p_dev) struct cm4000_dev *dev; dev = link->priv; - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) start_monitor(dev); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 1c355bd..47f10c8 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -629,28 +629,6 @@ cs_release: link->state &= ~DEV_CONFIG_PENDING; } -static int reader_suspend(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; -} - -static int reader_resume(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - - return 0; -} - static void reader_release(dev_link_t *link) { cm4040_reader_release(link->priv); @@ -754,8 +732,6 @@ static struct pcmcia_driver reader_driver = { }, .probe = reader_attach, .remove = reader_detach, - .suspend = reader_suspend, - .resume = reader_resume, .id_table = cm4040_ids, }; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 371d10b..d3ea53a 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -733,10 +733,7 @@ static int mgslpc_suspend(struct pcmcia_device *dev) dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state |= DEV_SUSPEND; info->stop = 1; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); return 0; } @@ -746,9 +743,6 @@ static int mgslpc_resume(struct pcmcia_device *dev) dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); info->stop = 0; return 0; -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 7 ------- drivers/char/pcmcia/cm4040_cs.c | 7 ------- drivers/char/pcmcia/synclink_cs.c | 7 ------- 3 files changed, 21 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 870decb..c996ae1 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1765,7 +1765,6 @@ static void cm4000_config(dev_link_t * link, int devno) struct cm4000_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; @@ -1790,16 +1789,10 @@ static void cm4000_config(dev_link_t * link, int devno) fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = - pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 47f10c8..94ecd03 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -520,7 +520,6 @@ static void reader_config(dev_link_t *link, int devno) struct reader_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; @@ -546,16 +545,10 @@ static void reader_config(dev_link_t *link, int devno) fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_configuration_info(handle, &conf)) - != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index d3ea53a..a6cbd32 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -576,7 +576,6 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) link->irq.Handler = NULL; link->conf.Attributes = 0; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->handle = p_dev; @@ -604,7 +603,6 @@ static void mgslpc_config(dev_link_t *link) cisparse_t parse; int last_fn, last_ret; u_char buf[64]; - config_info_t conf; cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg; @@ -626,10 +624,6 @@ static void mgslpc_config(dev_link_t *link) /* Configure card */ link->state |= DEV_CONFIG; - /* Look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; - /* get CIS configuration entry */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; @@ -662,7 +656,6 @@ static void mgslpc_config(dev_link_t *link) } link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 8; link->conf.Present = PRESENT_OPTION; -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 29 +++++++++++++---------------- drivers/char/pcmcia/cm4040_cs.c | 29 +++++++++++++---------------- drivers/char/pcmcia/synclink_cs.c | 21 +++++++++------------ 3 files changed, 35 insertions(+), 44 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index c996ae1..3e6d6e0 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -46,7 +46,7 @@ /* #define ATR_CSUM */ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -106,7 +106,7 @@ static int major; /* major number we get from the kernel */ #define REG_STOPBITS(x) (x + 7) struct cm4000_dev { - dev_link_t link; /* pcmcia link */ + struct pcmcia_device *p_dev; dev_node_t node; /* OS node (major,minor) */ unsigned char atr[MAX_ATR]; @@ -454,7 +454,7 @@ static struct card_fixup card_fixups[] = { static void set_cardparameter(struct cm4000_dev *dev) { int i; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; u_int8_t stopbits = 0x02; /* ISO default */ DEBUGP(3, dev, "-> set_cardparameter\n"); @@ -487,7 +487,7 @@ static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq) unsigned short num_bytes_read; unsigned char pts_reply[4]; ssize_t rc; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; rc = 0; @@ -699,7 +699,7 @@ static void terminate_monitor(struct cm4000_dev *dev) static void monitor_card(unsigned long p) { struct cm4000_dev *dev = (struct cm4000_dev *) p; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; struct ptsreq ptsreq; int i, atrc; @@ -962,7 +962,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i, j, k; @@ -971,7 +971,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, if (count == 0) /* according to manpage */ return 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1083,7 +1083,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; unsigned char tmp; unsigned char infolen; @@ -1108,7 +1108,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1440,7 +1440,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; dev_link_t *link; int size; int rc; @@ -1844,7 +1844,7 @@ static void cm4000_config(dev_link_t * link, int devno) dev->node.major = major; dev->node.minor = devno; dev->node.next = NULL; - link->dev = &dev->node; + link->dev_node = &dev->node; link->state &= ~DEV_CONFIG_PENDING; return; @@ -1889,8 +1889,8 @@ static void cm4000_release(dev_link_t *link) static int cm4000_attach(struct pcmcia_device *p_dev) { struct cm4000_dev *dev; - dev_link_t *link; int i; + dev_link_t *link = dev_to_instance(p_dev); for (i = 0; i < CM4000_MAX_DEV; i++) if (dev_table[i] == NULL) @@ -1906,7 +1906,7 @@ static int cm4000_attach(struct pcmcia_device *p_dev) if (dev == NULL) return -ENOMEM; - link = &dev->link; + dev->p_dev = p_dev; link->priv = dev; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -1916,9 +1916,6 @@ static int cm4000_attach(struct pcmcia_device *p_dev) init_waitqueue_head(&dev->atrq); init_waitqueue_head(&dev->readq); - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; cm4000_config(link, i); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 94ecd03..97e32e7 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -41,7 +41,7 @@ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -74,7 +74,7 @@ static struct class *cmx_class; #define BS_WRITABLE 0x02 struct reader_dev { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; wait_queue_head_t devq; wait_queue_head_t poll_wait; @@ -116,7 +116,7 @@ static inline unsigned char xinb(unsigned short port) static void cm4040_do_poll(unsigned long dummy) { struct reader_dev *dev = (struct reader_dev *) dummy; - unsigned int obs = xinb(dev->link.io.BasePort1 + unsigned int obs = xinb(dev->p_dev->io.BasePort1 + REG_OFFSET_BUFFER_STATUS); if ((obs & BSR_BULK_IN_FULL)) { @@ -147,7 +147,7 @@ static void cm4040_stop_poll(struct reader_dev *dev) static int wait_for_bulk_out_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -177,7 +177,7 @@ static int wait_for_bulk_out_ready(struct reader_dev *dev) /* Write to Sync Control Register */ static int write_sync_reg(unsigned char val, struct reader_dev *dev) { - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; int rc; rc = wait_for_bulk_out_ready(dev); @@ -195,7 +195,7 @@ static int write_sync_reg(unsigned char val, struct reader_dev *dev) static int wait_for_bulk_in_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -225,7 +225,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; size_t bytes_to_read; unsigned long i; size_t min_bytes_to_read; @@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT)==0) + if ((dev->p_dev->state & DEV_PRESENT)==0) return -ENODEV; for (i = 0; i < 5; i++) { @@ -328,7 +328,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i; unsigned int bytes_to_write; @@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT) == 0) + if ((dev->p_dev->state & DEV_PRESENT) == 0) return -ENODEV; bytes_to_write = count; @@ -606,7 +606,7 @@ static void reader_config(dev_link_t *link, int devno) dev->node.major = major; dev->node.minor = devno; dev->node.next = NULL; - link->dev = &dev->node; + link->dev_node = &dev->node; link->state &= ~DEV_CONFIG_PENDING; DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, @@ -631,8 +631,8 @@ static void reader_release(dev_link_t *link) static int reader_attach(struct pcmcia_device *p_dev) { struct reader_dev *dev; - dev_link_t *link; int i; + dev_link_t *link = dev_to_instance(p_dev); for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -649,8 +649,8 @@ static int reader_attach(struct pcmcia_device *p_dev) dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; dev->buffer_status = 0; - link = &dev->link; link->priv = dev; + dev->p_dev = p_dev; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -662,9 +662,6 @@ static int reader_attach(struct pcmcia_device *p_dev) init_timer(&dev->poll_timer); dev->poll_timer.function = &cm4040_do_poll; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; reader_config(link, i); diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index a6cbd32..7b1e055 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -228,7 +228,7 @@ typedef struct _mgslpc_info { struct _input_signal_events input_signal_events; /* PCMCIA support */ - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; int stop; @@ -536,11 +536,11 @@ static void ldisc_receive_buf(struct tty_struct *tty, static int mgslpc_attach(struct pcmcia_device *p_dev) { MGSLPC_INFO *info; - dev_link_t *link; - + dev_link_t *link = dev_to_instance(p_dev); + if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); - + info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); if (!info) { printk("Error can't allocate device instance data\n"); @@ -565,22 +565,19 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) info->imrb_value = 0xffff; info->pim_value = 0xff; - link = &info->link; + info->p_dev = p_dev; link->priv = info; - + /* Initialize the dev_link_t structure */ /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; - + link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; mgslpc_config(link); @@ -673,7 +670,7 @@ static void mgslpc_config(dev_link_t *link) /* add to linked list of devices */ sprintf(info->node.dev_name, "mgslpc0"); info->node.major = info->node.minor = 0; - link->dev = &info->node; + link->dev_node = &info->node; printk(KERN_INFO "%s: index 0x%02x:", info->node.dev_name, link->conf.ConfigIndex); @@ -1259,7 +1256,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs) if (!info) return IRQ_NONE; - if (!(info->link.state & DEV_CONFIG)) + if (!(info->p_dev->state & DEV_CONFIG)) return IRQ_HANDLED; spin_lock(&info->lock); -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 55 ++++++++++++++++++--------------------- drivers/char/pcmcia/cm4040_cs.c | 53 +++++++++++++++++-------------------- drivers/char/pcmcia/synclink_cs.c | 46 ++++++++++++++------------------ 3 files changed, 69 insertions(+), 85 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 3e6d6e0..79b8ad0 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -67,7 +67,7 @@ static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte"; #define T_100MSEC msecs_to_jiffies(100) #define T_500MSEC msecs_to_jiffies(500) -static void cm4000_release(dev_link_t *link); +static void cm4000_release(struct pcmcia_device *link); static int major; /* major number we get from the kernel */ @@ -149,14 +149,14 @@ struct cm4000_dev { #define ZERO_DEV(dev) \ memset(&dev->atr_csum,0, \ sizeof(struct cm4000_dev) - \ - /*link*/ sizeof(dev_link_t) - \ + /*link*/ sizeof(struct pcmcia_device) - \ /*node*/ sizeof(dev_node_t) - \ /*atr*/ MAX_ATR*sizeof(char) - \ /*rbuf*/ 512*sizeof(char) - \ /*sbuf*/ 512*sizeof(char) - \ /*queue*/ 4*sizeof(wait_queue_head_t)) -static dev_link_t *dev_table[CM4000_MAX_DEV]; +static struct pcmcia_device *dev_table[CM4000_MAX_DEV]; static struct class *cmm_class; /* This table doesn't use spaces after the comma between fields and thus @@ -1441,7 +1441,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, { struct cm4000_dev *dev = filp->private_data; ioaddr_t iobase = dev->p_dev->io.BasePort1; - dev_link_t *link; + struct pcmcia_device *link; int size; int rc; void __user *argp = (void __user *)arg; @@ -1660,7 +1660,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, static int cmm_open(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int rc, minor = iminor(inode); if (minor >= CM4000_MAX_DEV) @@ -1709,7 +1709,7 @@ static int cmm_open(struct inode *inode, struct file *filp) static int cmm_close(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM4000_MAX_DEV) @@ -1735,7 +1735,7 @@ static int cmm_close(struct inode *inode, struct file *filp) return 0; } -static void cmm_cm4000_release(dev_link_t * link) +static void cmm_cm4000_release(struct pcmcia_device * link) { struct cm4000_dev *dev = link->priv; @@ -1759,9 +1759,8 @@ static void cmm_cm4000_release(dev_link_t * link) /*==== Interface to PCMCIA Layer =======================================*/ -static void cm4000_config(dev_link_t * link, int devno) +static void cm4000_config(struct pcmcia_device * link, int devno) { - client_handle_t handle = link->handle; struct cm4000_dev *dev; tuple_t tuple; cisparse_t parse; @@ -1776,16 +1775,16 @@ static void cm4000_config(dev_link_t * link, int devno) tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } if ((fail_rc = - pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) { + pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; } @@ -1798,13 +1797,13 @@ static void cm4000_config(dev_link_t * link, int devno) link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); - rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) { + for (rc = pcmcia_get_first_tuple(link, &tuple); + rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -1824,7 +1823,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); if (rc == CS_SUCCESS) break; /* we are done */ } @@ -1834,7 +1833,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->conf.IntType = 00000002; if ((fail_rc = - pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) { + pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) { fail_fn = RequestConfiguration; goto cs_release; } @@ -1850,16 +1849,15 @@ static void cm4000_config(dev_link_t * link, int devno) return; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: cm4000_release(link); link->state &= ~DEV_CONFIG_PENDING; } -static int cm4000_suspend(struct pcmcia_device *p_dev) +static int cm4000_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; @@ -1868,9 +1866,8 @@ static int cm4000_suspend(struct pcmcia_device *p_dev) return 0; } -static int cm4000_resume(struct pcmcia_device *p_dev) +static int cm4000_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; @@ -1880,17 +1877,16 @@ static int cm4000_resume(struct pcmcia_device *p_dev) return 0; } -static void cm4000_release(dev_link_t *link) +static void cm4000_release(struct pcmcia_device *link) { cmm_cm4000_release(link->priv); /* delay release until device closed */ - pcmcia_disable_device(link->handle); + pcmcia_disable_device(link); } -static int cm4000_attach(struct pcmcia_device *p_dev) +static int cm4000_attach(struct pcmcia_device *link) { struct cm4000_dev *dev; int i; - dev_link_t *link = dev_to_instance(p_dev); for (i = 0; i < CM4000_MAX_DEV; i++) if (dev_table[i] == NULL) @@ -1906,7 +1902,7 @@ static int cm4000_attach(struct pcmcia_device *p_dev) if (dev == NULL) return -ENOMEM; - dev->p_dev = p_dev; + dev->p_dev = link; link->priv = dev; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -1925,9 +1921,8 @@ static int cm4000_attach(struct pcmcia_device *p_dev) return 0; } -static void cm4000_detach(struct pcmcia_device *p_dev) +static void cm4000_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev = link->priv; int devno; diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 97e32e7..8334226 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -65,7 +65,7 @@ static char *version = /* how often to poll for fifo status change */ #define POLL_PERIOD msecs_to_jiffies(10) -static void reader_release(dev_link_t *link); +static void reader_release(struct pcmcia_device *link); static int major; static struct class *cmx_class; @@ -87,7 +87,7 @@ struct reader_dev { struct timer_list poll_timer; }; -static dev_link_t *dev_table[CM_MAX_DEV]; +static struct pcmcia_device *dev_table[CM_MAX_DEV]; #ifndef PCMCIA_DEBUG #define xoutb outb @@ -445,7 +445,7 @@ static unsigned int cm4040_poll(struct file *filp, poll_table *wait) static int cm4040_open(struct inode *inode, struct file *filp) { struct reader_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM_MAX_DEV) @@ -478,7 +478,7 @@ static int cm4040_open(struct inode *inode, struct file *filp) static int cm4040_close(struct inode *inode, struct file *filp) { struct reader_dev *dev = filp->private_data; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), @@ -500,7 +500,7 @@ static int cm4040_close(struct inode *inode, struct file *filp) return 0; } -static void cm4040_reader_release(dev_link_t *link) +static void cm4040_reader_release(struct pcmcia_device *link) { struct reader_dev *dev = link->priv; @@ -514,9 +514,8 @@ static void cm4040_reader_release(dev_link_t *link) return; } -static void reader_config(dev_link_t *link, int devno) +static void reader_config(struct pcmcia_device *link, int devno) { - client_handle_t handle; struct reader_dev *dev; tuple_t tuple; cisparse_t parse; @@ -524,23 +523,21 @@ static void reader_config(dev_link_t *link, int devno) int fail_fn, fail_rc; int rc; - handle = link->handle; - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } - if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) + if ((fail_rc = pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; @@ -554,13 +551,13 @@ static void reader_config(dev_link_t *link, int devno) link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); + for (rc = pcmcia_get_first_tuple(link, &tuple); rc == CS_SUCCESS; - rc = pcmcia_get_next_tuple(handle, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_next_tuple(link, &tuple)) { + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -578,13 +575,13 @@ static void reader_config(dev_link_t *link, int devno) link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); - dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); + dev_printk(KERN_INFO, &handle_to_dev(link), "foo"); if (rc == CS_SUCCESS) break; else - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_io failed 0x%x\n", rc); } if (rc != CS_SUCCESS) @@ -592,10 +589,10 @@ static void reader_config(dev_link_t *link, int devno) link->conf.IntType = 00000002; - if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) + if ((fail_rc = pcmcia_request_configuration(link,&link->conf)) !=CS_SUCCESS) { fail_fn = RequestConfiguration; - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_configuration failed 0x%x\n", fail_rc); goto cs_release; @@ -616,23 +613,22 @@ static void reader_config(dev_link_t *link, int devno) return; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); link->state &= ~DEV_CONFIG_PENDING; } -static void reader_release(dev_link_t *link) +static void reader_release(struct pcmcia_device *link) { cm4040_reader_release(link->priv); - pcmcia_disable_device(link->handle); + pcmcia_disable_device(link); } -static int reader_attach(struct pcmcia_device *p_dev) +static int reader_attach(struct pcmcia_device *link) { struct reader_dev *dev; int i; - dev_link_t *link = dev_to_instance(p_dev); for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -650,7 +646,7 @@ static int reader_attach(struct pcmcia_device *p_dev) dev->buffer_status = 0; link->priv = dev; - dev->p_dev = p_dev; + dev->p_dev = link; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -671,9 +667,8 @@ static int reader_attach(struct pcmcia_device *p_dev) return 0; } -static void reader_detach(struct pcmcia_device *p_dev) +static void reader_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct reader_dev *dev = link->priv; int devno; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 7b1e055..9bfd90e 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout); /* PCMCIA prototypes */ -static void mgslpc_config(dev_link_t *link); +static void mgslpc_config(struct pcmcia_device *link); static void mgslpc_release(u_long arg); static void mgslpc_detach(struct pcmcia_device *p_dev); @@ -533,10 +533,9 @@ static void ldisc_receive_buf(struct tty_struct *tty, } } -static int mgslpc_attach(struct pcmcia_device *p_dev) +static int mgslpc_attach(struct pcmcia_device *link) { MGSLPC_INFO *info; - dev_link_t *link = dev_to_instance(p_dev); if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); @@ -565,10 +564,10 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) info->imrb_value = 0xffff; info->pim_value = 0xff; - info->p_dev = p_dev; + info->p_dev = link; link->priv = info; - /* Initialize the dev_link_t structure */ + /* Initialize the struct pcmcia_device structure */ /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; @@ -592,9 +591,8 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void mgslpc_config(dev_link_t *link) +static void mgslpc_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; MGSLPC_INFO *info = link->priv; tuple_t tuple; cisparse_t parse; @@ -612,9 +610,9 @@ static void mgslpc_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; @@ -624,11 +622,11 @@ static void mgslpc_config(dev_link_t *link) /* get CIS configuration entry */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); cfg = &(parse.cftable_entry); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) @@ -649,7 +647,7 @@ static void mgslpc_config(dev_link_t *link) link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; link->io.BasePort1 = io->win[0].base; link->io.NumPorts1 = io->win[0].len; - CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); + CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); } link->conf.Attributes = CONF_ENABLE_IRQ; @@ -660,9 +658,9 @@ static void mgslpc_config(dev_link_t *link) link->irq.Attributes |= IRQ_HANDLE_PRESENT; link->irq.Handler = mgslpc_isr; link->irq.Instance = info; - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); info->io_base = link->io.BasePort1; info->irq_level = link->irq.AssignedIRQ; @@ -685,7 +683,7 @@ static void mgslpc_config(dev_link_t *link) return; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); mgslpc_release((u_long)link); } @@ -695,18 +693,16 @@ cs_failed: */ static void mgslpc_release(u_long arg) { - dev_link_t *link = (dev_link_t *)arg; + struct pcmcia_device *link = (struct pcmcia_device *)arg; if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_release(0x%p)\n", link); - pcmcia_disable_device(link->handle); + pcmcia_disable_device(link); } -static void mgslpc_detach(struct pcmcia_device *p_dev) +static void mgslpc_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_detach(0x%p)\n", link); @@ -718,9 +714,8 @@ static void mgslpc_detach(struct pcmcia_device *p_dev) mgslpc_remove_device((MGSLPC_INFO *)link->priv); } -static int mgslpc_suspend(struct pcmcia_device *dev) +static int mgslpc_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; info->stop = 1; @@ -728,9 +723,8 @@ static int mgslpc_suspend(struct pcmcia_device *dev) return 0; } -static int mgslpc_resume(struct pcmcia_device *dev) +static int mgslpc_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; info->stop = 0; -- cgit v1.1 From 15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 31 Mar 2006 17:26:06 +0200 Subject: [PATCH] pcmcia: add return value to _config() functions Most of the driver initialization isn't done in the .probe function, but in the internal _config() functions. Make them return a value, so that .probe can properly report whether the probing of the device succeeded or not. Signed-off-by: Dominik Brodowski --- drivers/char/pcmcia/cm4000_cs.c | 15 +++++++++------ drivers/char/pcmcia/cm4040_cs.c | 15 +++++++++------ drivers/char/pcmcia/synclink_cs.c | 16 ++++++++++------ 3 files changed, 28 insertions(+), 18 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 79b8ad0..22dce9d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1759,7 +1759,7 @@ static void cmm_cm4000_release(struct pcmcia_device * link) /*==== Interface to PCMCIA Layer =======================================*/ -static void cm4000_config(struct pcmcia_device * link, int devno) +static int cm4000_config(struct pcmcia_device * link, int devno) { struct cm4000_dev *dev; tuple_t tuple; @@ -1846,7 +1846,7 @@ static void cm4000_config(struct pcmcia_device * link, int devno) link->dev_node = &dev->node; link->state &= ~DEV_CONFIG_PENDING; - return; + return 0; cs_failed: cs_error(link, fail_fn, fail_rc); @@ -1854,6 +1854,7 @@ cs_release: cm4000_release(link); link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } static int cm4000_suspend(struct pcmcia_device *link) @@ -1883,10 +1884,10 @@ static void cm4000_release(struct pcmcia_device *link) pcmcia_disable_device(link); } -static int cm4000_attach(struct pcmcia_device *link) +static int cm4000_probe(struct pcmcia_device *link) { struct cm4000_dev *dev; - int i; + int i, ret; for (i = 0; i < CM4000_MAX_DEV; i++) if (dev_table[i] == NULL) @@ -1913,7 +1914,9 @@ static int cm4000_attach(struct pcmcia_device *link) init_waitqueue_head(&dev->readq); link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - cm4000_config(link, i); + ret = cm4000_config(link, i); + if (ret) + return ret; class_device_create(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); @@ -1968,7 +1971,7 @@ static struct pcmcia_driver cm4000_driver = { .drv = { .name = "cm4000_cs", }, - .probe = cm4000_attach, + .probe = cm4000_probe, .remove = cm4000_detach, .suspend = cm4000_suspend, .resume = cm4000_resume, diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 8334226..6ccca8c 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -514,7 +514,7 @@ static void cm4040_reader_release(struct pcmcia_device *link) return; } -static void reader_config(struct pcmcia_device *link, int devno) +static int reader_config(struct pcmcia_device *link, int devno) { struct reader_dev *dev; tuple_t tuple; @@ -610,13 +610,14 @@ static void reader_config(struct pcmcia_device *link, int devno) link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); DEBUGP(2, dev, "<- reader_config (succ)\n"); - return; + return 0; cs_failed: cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } static void reader_release(struct pcmcia_device *link) @@ -625,10 +626,10 @@ static void reader_release(struct pcmcia_device *link) pcmcia_disable_device(link); } -static int reader_attach(struct pcmcia_device *link) +static int reader_probe(struct pcmcia_device *link) { struct reader_dev *dev; - int i; + int i, ret; for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -659,7 +660,9 @@ static int reader_attach(struct pcmcia_device *link) dev->poll_timer.function = &cm4040_do_poll; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - reader_config(link, i); + ret = reader_config(link, i); + if (ret) + return ret; class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); @@ -715,7 +718,7 @@ static struct pcmcia_driver reader_driver = { .drv = { .name = "cm4040_cs", }, - .probe = reader_attach, + .probe = reader_probe, .remove = reader_detach, .id_table = cm4040_ids, }; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 9bfd90e..ef7a813 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout); /* PCMCIA prototypes */ -static void mgslpc_config(struct pcmcia_device *link); +static int mgslpc_config(struct pcmcia_device *link); static void mgslpc_release(u_long arg); static void mgslpc_detach(struct pcmcia_device *p_dev); @@ -533,9 +533,10 @@ static void ldisc_receive_buf(struct tty_struct *tty, } } -static int mgslpc_attach(struct pcmcia_device *link) +static int mgslpc_probe(struct pcmcia_device *link) { MGSLPC_INFO *info; + int ret; if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); @@ -578,7 +579,9 @@ static int mgslpc_attach(struct pcmcia_device *link) link->conf.IntType = INT_MEMORY_AND_IO; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - mgslpc_config(link); + ret = mgslpc_config(link); + if (ret) + return ret; mgslpc_add_device(info); @@ -591,7 +594,7 @@ static int mgslpc_attach(struct pcmcia_device *link) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void mgslpc_config(struct pcmcia_device *link) +static int mgslpc_config(struct pcmcia_device *link) { MGSLPC_INFO *info = link->priv; tuple_t tuple; @@ -680,11 +683,12 @@ static void mgslpc_config(struct pcmcia_device *link) printk("\n"); link->state &= ~DEV_CONFIG_PENDING; - return; + return 0; cs_failed: cs_error(link, last_fn, last_ret); mgslpc_release((u_long)link); + return -ENODEV; } /* Card has been removed. @@ -3003,7 +3007,7 @@ static struct pcmcia_driver mgslpc_driver = { .drv = { .name = "synclink_cs", }, - .probe = mgslpc_attach, + .probe = mgslpc_probe, .remove = mgslpc_detach, .id_table = mgslpc_ids, .suspend = mgslpc_suspend, -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 13 +++---------- drivers/char/pcmcia/cm4040_cs.c | 16 ++++------------ drivers/char/pcmcia/synclink_cs.c | 28 ++++++++++------------------ 3 files changed, 17 insertions(+), 40 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 22dce9d..16e105d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -971,7 +971,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, if (count == 0) /* according to manpage */ return 0; - if ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1108,7 +1108,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; - if ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1789,7 +1789,6 @@ static int cm4000_config(struct pcmcia_device * link, int devno) goto cs_failed; } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; @@ -1844,7 +1843,6 @@ static int cm4000_config(struct pcmcia_device * link, int devno) dev->node.minor = devno; dev->node.next = NULL; link->dev_node = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; return 0; @@ -1852,8 +1850,6 @@ cs_failed: cs_error(link, fail_fn, fail_rc); cs_release: cm4000_release(link); - - link->state &= ~DEV_CONFIG_PENDING; return -ENODEV; } @@ -1913,7 +1909,6 @@ static int cm4000_probe(struct pcmcia_device *link) init_waitqueue_head(&dev->atrq); init_waitqueue_head(&dev->readq); - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ret = cm4000_config(link, i); if (ret) return ret; @@ -1936,11 +1931,9 @@ static void cm4000_detach(struct pcmcia_device *link) if (devno == CM4000_MAX_DEV) return; - link->state &= ~DEV_PRESENT; stop_monitor(dev); - if (link->state & DEV_CONFIG) - cm4000_release(link); + cm4000_release(link); dev_table[devno] = NULL; kfree(dev); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 6ccca8c..74609c3 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, return -EAGAIN; } - if ((dev->p_dev->state & DEV_PRESENT)==0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; for (i = 0; i < 5; i++) { @@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return -EAGAIN; } - if ((dev->p_dev->state & DEV_PRESENT) == 0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; bytes_to_write = count; @@ -543,7 +543,6 @@ static int reader_config(struct pcmcia_device *link, int devno) goto cs_failed; } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; @@ -602,9 +601,7 @@ static int reader_config(struct pcmcia_device *link, int devno) sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); dev->node.major = major; dev->node.minor = devno; - dev->node.next = NULL; - link->dev_node = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; + dev->node.next = &dev->node; DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); @@ -616,7 +613,6 @@ cs_failed: cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); - link->state &= ~DEV_CONFIG_PENDING; return -ENODEV; } @@ -659,7 +655,6 @@ static int reader_probe(struct pcmcia_device *link) init_timer(&dev->poll_timer); dev->poll_timer.function = &cm4040_do_poll; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ret = reader_config(link, i); if (ret) return ret; @@ -683,10 +678,7 @@ static void reader_detach(struct pcmcia_device *link) if (devno == CM_MAX_DEV) return; - link->state &= ~DEV_PRESENT; - - if (link->state & DEV_CONFIG) - reader_release(link); + reader_release(link); dev_table[devno] = NULL; kfree(dev); diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index ef7a813..0721345 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -578,7 +578,6 @@ static int mgslpc_probe(struct pcmcia_device *link) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ret = mgslpc_config(link); if (ret) return ret; @@ -618,9 +617,6 @@ static int mgslpc_config(struct pcmcia_device *link) CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; /* get CIS configuration entry */ @@ -681,8 +677,6 @@ static int mgslpc_config(struct pcmcia_device *link) printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); printk("\n"); - - link->state &= ~DEV_CONFIG_PENDING; return 0; cs_failed: @@ -697,25 +691,23 @@ cs_failed: */ static void mgslpc_release(u_long arg) { - struct pcmcia_device *link = (struct pcmcia_device *)arg; + struct pcmcia_device *link = (struct pcmcia_device *)arg; - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_release(0x%p)\n", link); + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_release(0x%p)\n", link); - pcmcia_disable_device(link); + pcmcia_disable_device(link); } static void mgslpc_detach(struct pcmcia_device *link) { - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_detach(0x%p)\n", link); + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) { - ((MGSLPC_INFO *)link->priv)->stop = 1; - mgslpc_release((u_long)link); - } + ((MGSLPC_INFO *)link->priv)->stop = 1; + mgslpc_release((u_long)link); - mgslpc_remove_device((MGSLPC_INFO *)link->priv); + mgslpc_remove_device((MGSLPC_INFO *)link->priv); } static int mgslpc_suspend(struct pcmcia_device *link) @@ -1254,7 +1246,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs) if (!info) return IRQ_NONE; - if (!(info->p_dev->state & DEV_CONFIG)) + if (!(info->p_dev->_locked)) return IRQ_HANDLED; spin_lock(&info->lock); -- cgit v1.1 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/char/pcmcia/cm4000_cs.c | 4 ++-- drivers/char/pcmcia/cm4040_cs.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 16e105d..02114a0 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1458,7 +1458,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, iminor(inode), ioctl_names[_IOC_NR(cmd)]); link = dev_table[iminor(inode)]; - if (!(DEV_OK(link))) { + if (!pcmcia_dev_present(link)) { DEBUGP(4, dev, "DEV_OK false\n"); return -ENODEV; } @@ -1667,7 +1667,7 @@ static int cmm_open(struct inode *inode, struct file *filp) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 74609c3..29efa64 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -452,7 +452,7 @@ static int cm4040_open(struct inode *inode, struct file *filp) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) -- cgit v1.1