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/ide/legacy/ide-cs.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 6213bd3caee..024aad61648 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -369,14 +369,8 @@ void ide_release(dev_link_t *link) ide_unregister(info->hd); } info->ndev = 0; - link->dev = NULL; - - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - - link->state &= ~DEV_CONFIG; + pcmcia_disable_device(link->handle); } /* ide_release */ static int ide_suspend(struct pcmcia_device *dev) -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 23 ----------------------- 1 file changed, 23 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 024aad61648..7ad8a95969f 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -373,27 +373,6 @@ void ide_release(dev_link_t *link) pcmcia_disable_device(link->handle); } /* ide_release */ -static int ide_suspend(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; -} - -static int ide_resume(struct pcmcia_device *dev) -{ - dev_link_t *link = dev_to_instance(dev); - - link->state &= ~DEV_SUSPEND; - if (DEV_OK(link)) - pcmcia_request_configuration(link->handle, &link->conf); - - return 0; -} /*====================================================================== @@ -456,8 +435,6 @@ static struct pcmcia_driver ide_cs_driver = { .probe = ide_attach, .remove = ide_detach, .id_table = ide_ids, - .suspend = ide_suspend, - .resume = ide_resume, }; static int __init init_ide_cs(void) -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 7ad8a95969f..3b5b55f85e2 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -122,7 +122,6 @@ static int ide_attach(struct pcmcia_device *p_dev) link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->handle = p_dev; @@ -222,7 +221,6 @@ static void ide_config(dev_link_t *link) /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf)); - link->conf.Vcc = stk->conf.Vcc; pass = io_base = ctl_base = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; @@ -244,10 +242,10 @@ static void ide_config(dev_link_t *link) } if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = + link->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) { @@ -329,9 +327,8 @@ static void ide_config(dev_link_t *link) info->node.minor = 0; info->hd = hd; link->dev = &info->node; - printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n", - info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10, - link->conf.Vpp1 / 10, link->conf.Vpp1 % 10); + printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n", + info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10); link->state &= ~DEV_CONFIG_PENDING; kfree(stk); -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 3b5b55f85e2..70bb1b8bab0 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -81,7 +81,7 @@ static const char ide_major[] = { }; typedef struct ide_info_t { - dev_link_t link; + struct pcmcia_device *p_dev; int ndev; dev_node_t node; int hd; @@ -106,7 +106,7 @@ static void ide_detach(struct pcmcia_device *p_dev); static int ide_attach(struct pcmcia_device *p_dev) { ide_info_t *info; - dev_link_t *link; + dev_link_t *link = dev_to_instance(p_dev); DEBUG(0, "ide_attach()\n"); @@ -114,7 +114,9 @@ static int ide_attach(struct pcmcia_device *p_dev) info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - link = &info->link; link->priv = info; + + info->p_dev = p_dev; + link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; @@ -124,9 +126,6 @@ static int ide_attach(struct pcmcia_device *p_dev) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ide_config(link); @@ -326,7 +325,7 @@ static void ide_config(dev_link_t *link) info->node.major = ide_major[hd]; info->node.minor = 0; info->hd = hd; - link->dev = &info->node; + link->dev_node = &info->node; printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n", info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10); -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 60 +++++++++++++++++++++------------------------ 1 file changed, 28 insertions(+), 32 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 70bb1b8bab0..58690c1ff6b 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -87,8 +87,8 @@ typedef struct ide_info_t { int hd; } ide_info_t; -static void ide_release(dev_link_t *); -static void ide_config(dev_link_t *); +static void ide_release(struct pcmcia_device *); +static void ide_config(struct pcmcia_device *); static void ide_detach(struct pcmcia_device *p_dev); @@ -103,10 +103,9 @@ static void ide_detach(struct pcmcia_device *p_dev); ======================================================================*/ -static int ide_attach(struct pcmcia_device *p_dev) +static int ide_attach(struct pcmcia_device *link) { ide_info_t *info; - dev_link_t *link = dev_to_instance(p_dev); DEBUG(0, "ide_attach()\n"); @@ -115,7 +114,7 @@ static int ide_attach(struct pcmcia_device *p_dev) if (!info) return -ENOMEM; - info->p_dev = p_dev; + info->p_dev = link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; @@ -141,10 +140,8 @@ static int ide_attach(struct pcmcia_device *p_dev) ======================================================================*/ -static void ide_detach(struct pcmcia_device *p_dev) +static void ide_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - DEBUG(0, "ide_detach(0x%p)\n", link); if (link->state & DEV_CONFIG) @@ -175,9 +172,8 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void ide_config(dev_link_t *link) +static void ide_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; ide_info_t *info = link->priv; tuple_t tuple; struct { @@ -201,16 +197,16 @@ static void ide_config(dev_link_t *link) tuple.TupleDataMax = 255; tuple.Attributes = 0; tuple.DesiredTuple = CISTPL_CONFIG; - 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, &stk->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, &stk->parse)); link->conf.ConfigBase = stk->parse.config.base; link->conf.Present = stk->parse.config.rmask[0]; tuple.DesiredTuple = CISTPL_MANFID; - if (!pcmcia_get_first_tuple(handle, &tuple) && - !pcmcia_get_tuple_data(handle, &tuple) && - !pcmcia_parse_tuple(handle, &tuple, &stk->parse)) + if (!pcmcia_get_first_tuple(link, &tuple) && + !pcmcia_get_tuple_data(link, &tuple) && + !pcmcia_parse_tuple(link, &tuple, &stk->parse)) is_kme = ((stk->parse.manfid.manf == MANFID_KME) && ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); @@ -219,15 +215,15 @@ static void ide_config(dev_link_t *link) link->state |= DEV_CONFIG; /* Not sure if this is right... look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf)); + CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf)); pass = io_base = ctl_base = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { - if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry; - if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry; + if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry; + if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry; /* Check for matching Vcc, unless we're desperate */ if (!pass) { @@ -258,14 +254,14 @@ static void ide_config(dev_link_t *link) link->io.NumPorts1 = 8; link->io.BasePort2 = io->win[1].base; link->io.NumPorts2 = (is_kme) ? 2 : 1; - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; io_base = link->io.BasePort1; ctl_base = link->io.BasePort2; } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { link->io.NumPorts1 = io->win[0].len; link->io.NumPorts2 = 0; - if (pcmcia_request_io(link->handle, &link->io) != 0) + if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; io_base = link->io.BasePort1; ctl_base = link->io.BasePort1 + 0x0e; @@ -278,16 +274,16 @@ static void ide_config(dev_link_t *link) if (cfg->flags & CISTPL_CFTABLE_DEFAULT) memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); if (pass) { - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); - } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) { - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); + } else if (pcmcia_get_next_tuple(link, &tuple) != 0) { + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); memset(&stk->dflt, 0, sizeof(stk->dflt)); pass++; } } - CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); /* disable drive interrupts during IDE probe */ outb(0x02, ctl_base); @@ -298,12 +294,12 @@ static void ide_config(dev_link_t *link) /* retry registration in case device is still spinning up */ for (hd = -1, i = 0; i < 10; i++) { - hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, handle); + hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); if (hd >= 0) break; if (link->io.NumPorts1 == 0x20) { outb(0x02, ctl_base + 0x10); hd = idecs_register(io_base + 0x10, ctl_base + 0x10, - link->irq.AssignedIRQ, handle); + link->irq.AssignedIRQ, link); if (hd >= 0) { io_base += 0x10; ctl_base += 0x10; @@ -338,7 +334,7 @@ err_mem: goto failed; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); failed: kfree(stk); ide_release(link); @@ -353,7 +349,7 @@ failed: ======================================================================*/ -void ide_release(dev_link_t *link) +void ide_release(struct pcmcia_device *link) { ide_info_t *info = link->priv; @@ -366,7 +362,7 @@ void ide_release(dev_link_t *link) } info->ndev = 0; - pcmcia_disable_device(link->handle); + pcmcia_disable_device(link); } /* ide_release */ -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 58690c1ff6b..56c8e828c6e 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -88,7 +88,7 @@ typedef struct ide_info_t { } ide_info_t; static void ide_release(struct pcmcia_device *); -static void ide_config(struct pcmcia_device *); +static int ide_config(struct pcmcia_device *); static void ide_detach(struct pcmcia_device *p_dev); @@ -103,7 +103,7 @@ static void ide_detach(struct pcmcia_device *p_dev); ======================================================================*/ -static int ide_attach(struct pcmcia_device *link) +static int ide_probe(struct pcmcia_device *link) { ide_info_t *info; @@ -126,9 +126,7 @@ static int ide_attach(struct pcmcia_device *link) link->conf.IntType = INT_MEMORY_AND_IO; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - ide_config(link); - - return 0; + return ide_config(link); } /* ide_attach */ /*====================================================================== @@ -172,7 +170,7 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void ide_config(struct pcmcia_device *link) +static int ide_config(struct pcmcia_device *link) { ide_info_t *info = link->priv; tuple_t tuple; @@ -327,7 +325,7 @@ static void ide_config(struct pcmcia_device *link) link->state &= ~DEV_CONFIG_PENDING; kfree(stk); - return; + return 0; err_mem: printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n"); @@ -339,6 +337,7 @@ failed: kfree(stk); ide_release(link); link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } /* ide_config */ /*====================================================================== @@ -424,7 +423,7 @@ static struct pcmcia_driver ide_cs_driver = { .drv = { .name = "ide-cs", }, - .probe = ide_attach, + .probe = ide_probe, .remove = ide_detach, .id_table = ide_ids, }; -- cgit v1.2.2 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/ide/legacy/ide-cs.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'drivers/ide') diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 56c8e828c6e..4961f1e764a 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -125,7 +125,6 @@ static int ide_probe(struct pcmcia_device *link) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; return ide_config(link); } /* ide_attach */ @@ -142,8 +141,7 @@ static void ide_detach(struct pcmcia_device *link) { DEBUG(0, "ide_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) - ide_release(link); + ide_release(link); kfree(link->priv); } /* ide_detach */ @@ -209,9 +207,6 @@ static int ide_config(struct pcmcia_device *link) ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); - /* Configure card */ - link->state |= DEV_CONFIG; - /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf)); @@ -323,7 +318,6 @@ static int ide_config(struct pcmcia_device *link) printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n", info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10); - link->state &= ~DEV_CONFIG_PENDING; kfree(stk); return 0; @@ -336,7 +330,6 @@ cs_failed: failed: kfree(stk); ide_release(link); - link->state &= ~DEV_CONFIG_PENDING; return -ENODEV; } /* ide_config */ -- cgit v1.2.2