diff options
| -rw-r--r-- | drivers/pnp/card.c | 33 | ||||
| -rw-r--r-- | drivers/pnp/core.c | 29 | ||||
| -rw-r--r-- | drivers/pnp/driver.c | 20 | ||||
| -rw-r--r-- | drivers/pnp/interface.c | 2 | ||||
| -rw-r--r-- | drivers/pnp/isapnp/compat.c | 23 | ||||
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 30 | ||||
| -rw-r--r-- | drivers/pnp/isapnp/proc.c | 7 | ||||
| -rw-r--r-- | drivers/pnp/manager.c | 24 | ||||
| -rw-r--r-- | drivers/pnp/pnpacpi/core.c | 23 | ||||
| -rw-r--r-- | drivers/pnp/pnpacpi/rsparser.c | 160 | ||||
| -rw-r--r-- | drivers/pnp/pnpbios/bioscalls.c | 161 | ||||
| -rw-r--r-- | drivers/pnp/pnpbios/core.c | 28 | ||||
| -rw-r--r-- | drivers/pnp/pnpbios/proc.c | 5 | ||||
| -rw-r--r-- | drivers/pnp/pnpbios/rsparser.c | 99 | ||||
| -rw-r--r-- | drivers/pnp/quirks.c | 1 | ||||
| -rw-r--r-- | drivers/pnp/resource.c | 33 | ||||
| -rw-r--r-- | drivers/pnp/support.c | 8 | ||||
| -rw-r--r-- | drivers/pnp/system.c | 12 | ||||
| -rw-r--r-- | include/linux/pnp.h | 238 | ||||
| -rw-r--r-- | include/linux/pnpbios.h | 10 |
20 files changed, 312 insertions, 634 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index a379a38c196c..b6a4f02b01d1 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -2,7 +2,6 @@ * card.c - contains functions for managing groups of PnP devices * * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/module.h> @@ -17,12 +16,15 @@ static const struct pnp_card_device_id *match_card(struct pnp_card_driver *drv, struct pnp_card *card) { const struct pnp_card_device_id *drv_id = drv->id_table; + while (*drv_id->id) { if (compare_pnp_id(card->id, drv_id->id)) { int i = 0; + for (;;) { int found; struct pnp_dev *dev; + if (i == PNP_MAX_DEVICES || !*drv_id->devs[i].id) return drv_id; @@ -52,6 +54,7 @@ static void card_remove(struct pnp_dev *dev) static void card_remove_first(struct pnp_dev *dev) { struct pnp_card_driver *drv = to_pnp_card_driver(dev->driver); + if (!dev->card || !drv) return; if (drv->remove) @@ -96,12 +99,11 @@ static int card_probe(struct pnp_card *card, struct pnp_card_driver *drv) * pnp_add_card_id - adds an EISA id to the specified card * @id: pointer to a pnp_id structure * @card: pointer to the desired card - * */ - int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card) { struct pnp_id *ptr; + if (!id) return -EINVAL; if (!card) @@ -121,6 +123,7 @@ static void pnp_free_card_ids(struct pnp_card *card) { struct pnp_id *id; struct pnp_id *next; + if (!card) return; id = card->id; @@ -134,6 +137,7 @@ static void pnp_free_card_ids(struct pnp_card *card) static void pnp_release_card(struct device *dmdev) { struct pnp_card *card = to_pnp_card(dmdev); + pnp_free_card_ids(card); kfree(card); } @@ -143,6 +147,7 @@ static ssize_t pnp_show_card_name(struct device *dmdev, { char *str = buf; struct pnp_card *card = to_pnp_card(dmdev); + str += sprintf(str, "%s\n", card->name); return (str - buf); } @@ -168,6 +173,7 @@ static DEVICE_ATTR(card_id, S_IRUGO, pnp_show_card_ids, NULL); static int pnp_interface_attach_card(struct pnp_card *card) { int rc = device_create_file(&card->dev, &dev_attr_name); + if (rc) return rc; @@ -186,11 +192,11 @@ static int pnp_interface_attach_card(struct pnp_card *card) * pnp_add_card - adds a PnP card to the PnP Layer * @card: pointer to the card to add */ - int pnp_add_card(struct pnp_card *card) { int error; struct list_head *pos, *temp; + if (!card || !card->protocol) return -EINVAL; @@ -233,10 +239,10 @@ int pnp_add_card(struct pnp_card *card) * pnp_remove_card - removes a PnP card from the PnP Layer * @card: pointer to the card to remove */ - void pnp_remove_card(struct pnp_card *card) { struct list_head *pos, *temp; + if (!card) return; device_unregister(&card->dev); @@ -255,7 +261,6 @@ void pnp_remove_card(struct pnp_card *card) * @card: pointer to the card to add to * @dev: pointer to the device to add */ - int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev) { if (!card || !dev || !dev->protocol) @@ -275,7 +280,6 @@ int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev) * pnp_remove_card_device- removes a device from the specified card * @dev: pointer to the device to remove */ - void pnp_remove_card_device(struct pnp_dev *dev) { spin_lock(&pnp_lock); @@ -291,7 +295,6 @@ void pnp_remove_card_device(struct pnp_dev *dev) * @id: pointer to a PnP ID structure that explains the rules for finding the device * @from: Starting place to search from. If NULL it will start from the begining. */ - struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from) { @@ -299,6 +302,7 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, struct pnp_dev *dev; struct pnp_card_driver *drv; struct pnp_card *card; + if (!clink || !id) goto done; card = clink->card; @@ -340,10 +344,10 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, * pnp_release_card_device - call this when the driver no longer needs the device * @dev: pointer to the PnP device stucture */ - void pnp_release_card_device(struct pnp_dev *dev) { struct pnp_card_driver *drv = dev->card_link->driver; + if (!drv) return; drv->link.remove = &card_remove; @@ -357,6 +361,7 @@ void pnp_release_card_device(struct pnp_dev *dev) static int card_suspend(struct pnp_dev *dev, pm_message_t state) { struct pnp_card_link *link = dev->card_link; + if (link->pm_state.event == state.event) return 0; link->pm_state = state; @@ -366,6 +371,7 @@ static int card_suspend(struct pnp_dev *dev, pm_message_t state) static int card_resume(struct pnp_dev *dev) { struct pnp_card_link *link = dev->card_link; + if (link->pm_state.event == PM_EVENT_ON) return 0; link->pm_state = PMSG_ON; @@ -377,7 +383,6 @@ static int card_resume(struct pnp_dev *dev) * pnp_register_card_driver - registers a PnP card driver with the PnP Layer * @drv: pointer to the driver to register */ - int pnp_register_card_driver(struct pnp_card_driver *drv) { int error; @@ -411,7 +416,6 @@ int pnp_register_card_driver(struct pnp_card_driver *drv) * pnp_unregister_card_driver - unregisters a PnP card driver from the PnP Layer * @drv: pointer to the driver to unregister */ - void pnp_unregister_card_driver(struct pnp_card_driver *drv) { spin_lock(&pnp_lock); @@ -420,13 +424,6 @@ void pnp_unregister_card_driver(struct pnp_card_driver *drv) pnp_unregister_driver(&drv->link); } -#if 0 -EXPORT_SYMBOL(pnp_add_card); -EXPORT_SYMBOL(pnp_remove_card); -EXPORT_SYMBOL(pnp_add_card_device); -EXPORT_SYMBOL(pnp_remove_card_device); -EXPORT_SYMBOL(pnp_add_card_id); -#endif /* 0 */ EXPORT_SYMBOL(pnp_request_card_device); EXPORT_SYMBOL(pnp_release_card_device); EXPORT_SYMBOL(pnp_register_card_driver); diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 1dfdc325211d..61066fdb9e6d 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -2,7 +2,6 @@ * core.c - contains all core device and protocol registration functions * * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/pnp.h> @@ -48,7 +47,6 @@ void *pnp_alloc(long size) * * Ex protocols: ISAPNP, PNPBIOS, etc */ - int pnp_register_protocol(struct pnp_protocol *protocol) { int nodenum; @@ -82,7 +80,6 @@ int pnp_register_protocol(struct pnp_protocol *protocol) /** * pnp_protocol_unregister - removes a pnp protocol from the pnp layer * @protocol: pointer to the corresponding pnp_protocol structure - * */ void pnp_unregister_protocol(struct pnp_protocol *protocol) { @@ -96,6 +93,7 @@ static void pnp_free_ids(struct pnp_dev *dev) { struct pnp_id *id; struct pnp_id *next; + if (!dev) return; id = dev->id; @@ -109,6 +107,7 @@ static void pnp_free_ids(struct pnp_dev *dev) static void pnp_release_device(struct device *dmdev) { struct pnp_dev *dev = to_pnp_dev(dmdev); + pnp_free_option(dev->independent); pnp_free_option(dev->dependent); pnp_free_ids(dev); @@ -118,6 +117,7 @@ static void pnp_release_device(struct device *dmdev) int __pnp_add_device(struct pnp_dev *dev) { int ret; + pnp_fixup_device(dev); dev->dev.bus = &pnp_bus_type; dev->dev.dma_mask = &dev->dma_mask; @@ -141,7 +141,6 @@ int __pnp_add_device(struct pnp_dev *dev) * * adds to driver model, name database, fixups, interface, etc. */ - int pnp_add_device(struct pnp_dev *dev) { if (!dev || !dev->protocol || dev->card) @@ -161,21 +160,6 @@ void __pnp_remove_device(struct pnp_dev *dev) device_unregister(&dev->dev); } -/** - * pnp_remove_device - removes a pnp device from the pnp layer - * @dev: pointer to dev to add - * - * this function will free all mem used by dev - */ -#if 0 -void pnp_remove_device(struct pnp_dev *dev) -{ - if (!dev || dev->card) - return; - __pnp_remove_device(dev); -} -#endif /* 0 */ - static int __init pnp_init(void) { printk(KERN_INFO "Linux Plug and Play Support v0.97 (c) Adam Belay\n"); @@ -183,10 +167,3 @@ static int __init pnp_init(void) } subsys_initcall(pnp_init); - -#if 0 -EXPORT_SYMBOL(pnp_register_protocol); -EXPORT_SYMBOL(pnp_unregister_protocol); -EXPORT_SYMBOL(pnp_add_device); -EXPORT_SYMBOL(pnp_remove_device); -#endif /* 0 */ diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 913d926f8baf..30b8f6f3258a 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -2,7 +2,6 @@ * driver.c - device id matching, driver model, etc. * * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/string.h> @@ -16,6 +15,7 @@ static int compare_func(const char *ida, const char *idb) { int i; + /* we only need to compare the last 4 chars */ for (i = 3; i < 7; i++) { if (ida[i] != 'X' && @@ -44,6 +44,7 @@ static const struct pnp_device_id *match_device(struct pnp_driver *drv, struct pnp_dev *dev) { const struct pnp_device_id *drv_id = drv->id_table; + if (!drv_id) return NULL; @@ -140,6 +141,7 @@ static int pnp_bus_match(struct device *dev, struct device_driver *drv) { struct pnp_dev *pnp_dev = to_pnp_dev(dev); struct pnp_driver *pnp_drv = to_pnp_driver(drv); + if (match_device(pnp_drv, pnp_dev) == NULL) return 0; return 1; @@ -197,12 +199,12 @@ static int pnp_bus_resume(struct device *dev) } struct bus_type pnp_bus_type = { - .name = "pnp", - .match = pnp_bus_match, - .probe = pnp_device_probe, - .remove = pnp_device_remove, + .name = "pnp", + .match = pnp_bus_match, + .probe = pnp_device_probe, + .remove = pnp_device_remove, .suspend = pnp_bus_suspend, - .resume = pnp_bus_resume, + .resume = pnp_bus_resume, }; int pnp_register_driver(struct pnp_driver *drv) @@ -225,12 +227,11 @@ void pnp_unregister_driver(struct pnp_driver *drv) * pnp_add_id - adds an EISA id to the specified device * @id: pointer to a pnp_id structure * @dev: pointer to the desired device - * */ - int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) { struct pnp_id *ptr; + if (!id) return -EINVAL; if (!dev) @@ -248,8 +249,5 @@ int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) EXPORT_SYMBOL(pnp_register_driver); EXPORT_SYMBOL(pnp_unregister_driver); -#if 0 -EXPORT_SYMBOL(pnp_add_id); -#endif EXPORT_SYMBOL(pnp_device_attach); EXPORT_SYMBOL(pnp_device_detach); diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index b6beb8a36da7..fe6684e13e82 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -3,7 +3,6 @@ * * Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@suse.cz> * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/pnp.h> @@ -488,6 +487,7 @@ static DEVICE_ATTR(id, S_IRUGO, pnp_show_current_ids, NULL); int pnp_interface_attach_device(struct pnp_dev *dev) { int rc = device_create_file(&dev->dev, &dev_attr_options); + if (rc) goto err; rc = device_create_file(&dev->dev, &dev_attr_resources); diff --git a/drivers/pnp/isapnp/compat.c b/drivers/pnp/isapnp/compat.c index aaf45e3ebee2..10bdcc4d4f7b 100644 --- a/drivers/pnp/isapnp/compat.c +++ b/drivers/pnp/isapnp/compat.c @@ -3,11 +3,8 @@ * the old isapnp APIs. If possible use the new APIs instead. * * Copyright 2002 Adam Belay <ambx1@neo.rr.com> - * */ -/* TODO: see if more isapnp functions are needed here */ - #include <linux/module.h> #include <linux/isapnp.h> #include <linux/string.h> @@ -19,16 +16,17 @@ static void pnp_convert_id(char *buf, unsigned short vendor, 'A' + ((vendor >> 2) & 0x3f) - 1, 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, 'A' + ((vendor >> 8) & 0x1f) - 1, - (device >> 4) & 0x0f, - device & 0x0f, (device >> 12) & 0x0f, (device >> 8) & 0x0f); + (device >> 4) & 0x0f, device & 0x0f, + (device >> 12) & 0x0f, (device >> 8) & 0x0f); } -struct pnp_card *pnp_find_card(unsigned short vendor, - unsigned short device, struct pnp_card *from) +struct pnp_card *pnp_find_card(unsigned short vendor, unsigned short device, + struct pnp_card *from) { char id[8]; char any[8]; struct list_head *list; + pnp_convert_id(id, vendor, device); pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID); @@ -36,6 +34,7 @@ struct pnp_card *pnp_find_card(unsigned short vendor, while (list != &pnp_cards) { struct pnp_card *card = global_to_pnp_card(list); + if (compare_pnp_id(card->id, id) || (memcmp(id, any, 7) == 0)) return card; list = list->next; @@ -43,12 +42,12 @@ struct pnp_card *pnp_find_card(unsigned short vendor, return NULL; } -struct pnp_dev *pnp_find_dev(struct pnp_card *card, - unsigned short vendor, +struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor, unsigned short function, struct pnp_dev *from) { char id[8]; char any[8]; + pnp_convert_id(id, vendor, function); pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID); if (card == NULL) { /* look for a logical device from all cards */ @@ -60,8 +59,9 @@ struct pnp_dev *pnp_find_dev(struct pnp_card *card, while (list != &pnp_global) { struct pnp_dev *dev = global_to_pnp_dev(list); - if (compare_pnp_id(dev->id, id) - || (memcmp(id, any, 7) == 0)) + + if (compare_pnp_id(dev->id, id) || + (memcmp(id, any, 7) == 0)) return dev; list = list->next; } @@ -76,6 +76,7 @@ struct pnp_dev *pnp_find_dev(struct pnp_card *card, } while (list != &card->devices) { struct pnp_dev *dev = card_to_pnp_dev(list); + if (compare_pnp_id(dev->id, id)) return dev; list = list->next; diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 0d690a7c0d24..b4e2aa995b53 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -252,7 +252,6 @@ static inline void isapnp_set_rdp(void) * Perform an isolation. The port selection code now tries to avoid * "dangerous to read" ports. */ - static int __init isapnp_isolate_rdp_select(void) { isapnp_wait(); @@ -281,7 +280,6 @@ static int __init isapnp_isolate_rdp_select(void) /* * Isolate (assign uniqued CSN) to all ISA PnP devices. */ - static int __init isapnp_isolate(void) { unsigned char checksum = 0x6a; @@ -352,7 +350,6 @@ static int __init isapnp_isolate(void) /* * Read one tag from stream. */ - static int __init isapnp_read_tag(unsigned char *type, unsigned short *size) { unsigned char tag, tmp[2]; @@ -380,7 +377,6 @@ static int __init isapnp_read_tag(unsigned char *type, unsigned short *size) /* * Skip specified number of bytes from stream. */ - static void __init isapnp_skip_bytes(int count) { isapnp_peek(NULL, count); @@ -389,11 +385,11 @@ static void __init isapnp_skip_bytes(int count) /* * Parse EISA id. */ - static void isapnp_parse_id(struct pnp_dev *dev, unsigned short vendor, unsigned short device) { struct pnp_id *id; + if (!dev) return; id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); @@ -411,7 +407,6 @@ static void isapnp_parse_id(struct pnp_dev *dev, unsigned short vendor, /* * Parse logical device tag. */ - static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card, int size, int number) { @@ -440,7 +435,6 @@ static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card, /* * Add IRQ resource to resources list. */ - static void __init isapnp_parse_irq_resource(struct pnp_option *option, int size) { @@ -459,13 +453,11 @@ static void __init isapnp_parse_irq_resource(struct pnp_option *option, else irq->flags = IORESOURCE_IRQ_HIGHEDGE; pnp_register_irq_resource(option, irq); - return; } /* * Add DMA resource to resources list. */ - static void __init isapnp_parse_dma_resource(struct pnp_option *option, int size) { @@ -479,13 +471,11 @@ static void __init isapnp_parse_dma_resource(struct pnp_option *option, dma->map = tmp[0]; dma->flags = tmp[1]; pnp_register_dma_resource(option, dma); - return; } /* * Add port resource to resources list. */ - static void __init isapnp_parse_port_resource(struct pnp_option *option, int size) { @@ -502,13 +492,11 @@ static void __init isapnp_parse_port_resource(struct pnp_option *option, port->size = tmp[6]; port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0; pnp_register_port_resource(option, port); - return; } /* * Add fixed port resource to resources list. */ - static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option, int size) { @@ -524,13 +512,11 @@ static void __init isapnp_parse_fixed_port_resource(struct pnp_option *option, port->align = 0; port->flags = PNP_PORT_FLAG_FIXED; pnp_register_port_resource(option, port); - return; } /* * Add memory resource to resources list. */ - static void __init isapnp_parse_mem_resource(struct pnp_option *option, int size) { @@ -547,13 +533,11 @@ static void __init isapnp_parse_mem_resource(struct pnp_option *option, mem->size = ((tmp[8] << 8) | tmp[7]) << 8; mem->flags = tmp[0]; pnp_register_mem_resource(option, mem); - return; } /* * Add 32-bit memory resource to resources list. */ - static void __init isapnp_parse_mem32_resource(struct pnp_option *option, int size) { @@ -577,7 +561,6 @@ static void __init isapnp_parse_mem32_resource(struct pnp_option *option, /* * Add 32-bit fixed memory resource to resources list. */ - static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option, int size) { @@ -599,7 +582,6 @@ static void __init isapnp_parse_fixed_mem32_resource(struct pnp_option *option, /* * Parse card name for ISA PnP device. */ - static void __init isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size) { @@ -619,7 +601,6 @@ isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size) /* * Parse resource map for logical device. */ - static int __init isapnp_create_device(struct pnp_card *card, unsigned short size) { @@ -627,6 +608,7 @@ static int __init isapnp_create_device(struct pnp_card *card, unsigned char type, tmp[17]; struct pnp_option *option; struct pnp_dev *dev; + if ((dev = isapnp_parse_device(card, size, number++)) == NULL) return 1; option = pnp_register_independent_option(dev); @@ -761,7 +743,6 @@ static int __init isapnp_create_device(struct pnp_card *card, /* * Parse resource map for ISA PnP card. */ - static void __init isapnp_parse_resource_map(struct pnp_card *card) { unsigned char type, tmp[17]; @@ -816,7 +797,6 @@ static void __init isapnp_parse_resource_map(struct pnp_card *card) /* * Compute ISA PnP checksum for first eight bytes. */ - static unsigned char __init isapnp_checksum(unsigned char *data) { int i, j; @@ -839,11 +819,11 @@ static unsigned char __init isapnp_checksum(unsigned char *data) /* * Parse EISA id for ISA PnP card. */ - static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor, unsigned short device) { struct pnp_id *id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); + if (!id) return; sprintf(id->id, "%c%c%c%x%x%x%x", @@ -858,7 +838,6 @@ static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor, /* * Build device list for all present ISA PnP devices. */ - static int __init isapnp_build_device_list(void) { int csn; @@ -911,6 +890,7 @@ static int __init isapnp_build_device_list(void) int isapnp_present(void) { struct pnp_card *card; + pnp_for_each_card(card) { if (card->protocol == &isapnp_protocol) return 1; @@ -953,7 +933,7 @@ int isapnp_cfg_end(void) } /* - * Inititialization. + * Initialization. */ EXPORT_SYMBOL(isapnp_protocol); diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index fba4b072e6bd..3fbc0f9ffc26 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -2,7 +2,6 @@ * ISA Plug & Play support * Copyright (c) by Jaroslav Kysela <perex@suse.cz> * - * * 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 @@ -16,7 +15,6 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/module.h> @@ -139,11 +137,12 @@ static int __exit isapnp_proc_detach_bus(struct pnp_card *bus) remove_proc_entry(name, isapnp_proc_bus_dir); return 0; } -#endif /* MODULE */ +#endif /* MODULE */ int __init isapnp_proc_init(void) { struct pnp_dev *dev; + isapnp_proc_bus_dir = proc_mkdir("isapnp", proc_bus); protocol_for_each_dev(&isapnp_protocol, dev) { isapnp_proc_attach_device(dev); @@ -167,4 +166,4 @@ int __exit isapnp_proc_done(void) remove_proc_entry("isapnp", proc_bus); return 0; } -#endif /* MODULE */ +#endif /* MODULE */ diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 17c95188bd11..3bda513a6bd3 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -3,7 +3,6 @@ * * based on isapnp.c resource management (c) Jaroslav Kysela <perex@suse.cz> * Copyright 2003 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/errno.h> @@ -222,11 +221,11 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) /** * pnp_init_resources - Resets a resource table to default values. * @table: pointer to the desired resource table - * */ void pnp_init_resource_table(struct pnp_resource_table *table) { int idx; + for (idx = 0; idx < PNP_MAX_IRQ; idx++) { table->irq_resource[idx].name = NULL; table->irq_resource[idx].start = -1; @@ -260,11 +259,11 @@ void pnp_init_resource_table(struct pnp_resource_table *table) /** * pnp_clean_resources - clears resources that were not manually set * @res: the resources to clean - * */ static void pnp_clean_resource_table(struct pnp_resource_table *res) { int idx; + for (idx = 0; idx < PNP_MAX_IRQ; idx++) { if (!(res->irq_resource[idx].flags & IORESOURCE_AUTO)) continue; @@ -410,6 +409,7 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, { int i; struct pnp_resource_table *bak; + if (!dev || !res) return -EINVAL; if (!pnp_can_configure(dev)) @@ -454,7 +454,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, /** * pnp_auto_config_dev - automatically assigns resources to a device * @dev: pointer to the desired device - * */ int pnp_auto_config_dev(struct pnp_dev *dev) { @@ -491,9 +490,8 @@ int pnp_auto_config_dev(struct pnp_dev *dev) * pnp_start_dev - low-level start of the PnP device * @dev: pointer to the desired device * - * assumes that resources have alread been allocated + * assumes that resources have already been allocated */ - int pnp_start_dev(struct pnp_dev *dev) { if (!pnp_can_write(dev)) { @@ -508,7 +506,6 @@ int pnp_start_dev(struct pnp_dev *dev) } pnp_info("Device %s activated.", dev->dev.bus_id); - return 0; } @@ -518,7 +515,6 @@ int pnp_start_dev(struct pnp_dev *dev) * * does not free resources */ - int pnp_stop_dev(struct pnp_dev *dev) { if (!pnp_can_disable(dev)) { @@ -532,7 +528,6 @@ int pnp_stop_dev(struct pnp_dev *dev) } pnp_info("Device %s disabled.", dev->dev.bus_id); - return 0; } @@ -548,9 +543,8 @@ int pnp_activate_dev(struct pnp_dev *dev) if (!dev) return -EINVAL; - if (dev->active) { + if (dev->active) return 0; /* the device is already active */ - } /* ensure resources are allocated */ if (pnp_auto_config_dev(dev)) @@ -561,7 +555,6 @@ int pnp_activate_dev(struct pnp_dev *dev) return error; dev->active = 1; - return 1; } @@ -577,9 +570,8 @@ int pnp_disable_dev(struct pnp_dev *dev) if (!dev) return -EINVAL; - if (!dev->active) { + if (!dev->active) return 0; /* the device is already disabled */ - } error = pnp_stop_dev(dev); if (error) @@ -600,7 +592,6 @@ int pnp_disable_dev(struct pnp_dev *dev) * @resource: pointer to resource to be changed * @start: start of region * @size: size of region - * */ void pnp_resource_change(struct resource *resource, resource_size_t start, resource_size_t size) @@ -613,9 +604,6 @@ void pnp_resource_change(struct resource *resource, resource_size_t start, } EXPORT_SYMBOL(pnp_manual_config_dev); -#if 0 -EXPORT_SYMBOL(pnp_auto_config_dev); -#endif EXPORT_SYMBOL(pnp_start_dev); EXPORT_SYMBOL(pnp_stop_dev); EXPORT_SYMBOL(pnp_activate_dev); diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 423c8e7e322d..6a2a3c2f4d5e 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -34,9 +34,9 @@ static int num = 0; * used by the kernel (PCI root, ...), as it is harmless and there were * already present in pnpbios. But there is an exception for devices that * have irqs (PIC, Timer) because we call acpi_register_gsi. - * Finaly only devices that have a CRS method need to be in this list. + * Finally, only devices that have a CRS method need to be in this list. */ -static __initdata struct acpi_device_id excluded_id_list[] = { +static struct __initdata acpi_device_id excluded_id_list[] = { {"PNP0C09", 0}, /* EC */ {"PNP0C0F", 0}, /* Link device */ {"PNP0000", 0}, /* PIC */ @@ -88,6 +88,7 @@ static int pnpacpi_get_resources(struct pnp_dev *dev, struct pnp_resource_table *res) { acpi_status status; + status = pnpacpi_parse_allocated_resource((acpi_handle) dev->data, &dev->res); return ACPI_FAILURE(status) ? -ENODEV : 0; @@ -141,9 +142,9 @@ static int pnpacpi_resume(struct pnp_dev *dev) } static struct pnp_protocol pnpacpi_protocol = { - .name = "Plug and Play ACPI", - .get = pnpacpi_get_resources, - .set = pnpacpi_set_resources, + .name = "Plug and Play ACPI", + .get = pnpacpi_get_resources, + .set = pnpacpi_set_resources, .disable = pnpacpi_disable_resources, .suspend = pnpacpi_suspend, .resume = pnpacpi_resume, @@ -168,7 +169,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) return -ENOMEM; } dev->data = device->handle; - /* .enabled means if the device can decode the resources */ + /* .enabled means the device can decode the resources */ dev->active = device->status.enabled; status = acpi_get_handle(device->handle, "_SRS", &temp); if (ACPI_SUCCESS(status)) @@ -200,8 +201,8 @@ static int __init pnpacpi_add_device(struct acpi_device *device) if (dev->active) { /* parse allocated resource */ - status = - pnpacpi_parse_allocated_resource(device->handle, &dev->res); + status = pnpacpi_parse_allocated_resource(device->handle, + &dev->res); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { pnp_err("PnPACPI: METHOD_NAME__CRS failure for %s", dev_id->id); @@ -294,7 +295,7 @@ static int __init acpi_pnp_find_device(struct device *dev, acpi_handle * handle) * pnpdev->dev.archdata.acpi_handle point to its ACPI sibling. */ static struct acpi_bus_type __initdata acpi_pnp_bus = { - .bus = &pnp_bus_type, + .bus = &pnp_bus_type, .find_device = acpi_pnp_find_device, }; @@ -327,7 +328,3 @@ static int __init pnpacpi_setup(char *str) } __setup("pnpacpi=", pnpacpi_setup); - -#if 0 -EXPORT_SYMBOL(pnpacpi_protocol); -#endif diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 2f0d66886404..ce5027feb3da 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -71,9 +71,9 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity) } } -static void -pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi, - int triggering, int polarity, int shareable) +static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, + u32 gsi, int triggering, + int polarity, int shareable) { int i = 0; int irq; @@ -146,11 +146,12 @@ static int dma_flags(int type, int bus_master, int transfer) return flags; } -static void -pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, u32 dma, - int type, int bus_master, int transfer) +static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, + u32 dma, int type, + int bus_master, int transfer) { int i = 0; + while (i < PNP_MAX_DMA && !(res->dma_resource[i].flags & IORESOURCE_UNSET)) i++; @@ -167,11 +168,11 @@ pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res, u32 dma, } } -static void -pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, - u64 io, u64 len, int io_decode) +static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, + u64 io, u64 len, int io_decode) { int i = 0; + while (!(res->port_resource[i].flags & IORESOURCE_UNSET) && i < PNP_MAX_PORT) i++; @@ -188,11 +189,12 @@ pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, } } -static void -pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, - u64 mem, u64 len, int write_protect) +static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, + u64 mem, u64 len, + int write_protect) { int i = 0; + while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) && (i < PNP_MAX_MEM)) i++; @@ -210,9 +212,8 @@ pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, } } -static void -pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table, - struct acpi_resource *res) +static void pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table, + struct acpi_resource *res) { struct acpi_resource_address64 addr, *p = &addr; acpi_status status; @@ -229,16 +230,13 @@ pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res_table, if (p->resource_type == ACPI_MEMORY_RANGE) pnpacpi_parse_allocated_memresource(res_table, - p->minimum, - p->address_length, - p->info.mem.write_protect); + p->minimum, p->address_length, + p->info.mem.write_protect); else if (p->resource_type == ACPI_IO_RANGE) pnpacpi_parse_allocated_ioresource(res_table, - p->minimum, - p->address_length, - p->granularity == - 0xfff ? ACPI_DECODE_10 : - ACPI_DECODE_16); + p->minimum, p->address_length, + p->granularity == 0xfff ? ACPI_DECODE_10 : + ACPI_DECODE_16); } static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, @@ -256,34 +254,27 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, */ for (i = 0; i < res->data.irq.interrupt_count; i++) { pnpacpi_parse_allocated_irqresource(res_table, - res->data.irq. - interrupts[i], - res->data.irq. - triggering, - res->data.irq. - polarity, - res->data.irq. - sharable); + res->data.irq.interrupts[i], + res->data.irq.triggering, + res->data.irq.polarity, + res->data.irq.sharable); } break; case ACPI_RESOURCE_TYPE_DMA: if (res->data.dma.channel_count > 0) pnpacpi_parse_allocated_dmaresource(res_table, - res->data.dma. - channels[0], - res->data.dma.type, - res->data.dma. - bus_master, - res->data.dma. - transfer); + res->data.dma.channels[0], + res->data.dma.type, + res->data.dma.bus_master, + res->data.dma.transfer); break; case ACPI_RESOURCE_TYPE_IO: pnpacpi_parse_allocated_ioresource(res_table, - res->data.io.minimum, - res->data.io.address_length, - res->data.io.io_decode); + res->data.io.minimum, + res->data.io.address_length, + res->data.io.io_decode); break; case ACPI_RESOURCE_TYPE_START_DEPENDENT: @@ -292,10 +283,9 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, case ACPI_RESOURCE_TYPE_FIXED_IO: pnpacpi_parse_allocated_ioresource(res_table, - res->data.fixed_io.address, - res->data.fixed_io. - address_length, - ACPI_DECODE_10); + res->data.fixed_io.address, + res->data.fixed_io.address_length, + ACPI_DECODE_10); break; case ACPI_RESOURCE_TYPE_VENDOR: @@ -306,28 +296,21 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, case ACPI_RESOURCE_TYPE_MEMORY24: pnpacpi_parse_allocated_memresource(res_table, - res->data.memory24.minimum, - res->data.memory24. - address_length, - res->data.memory24. - write_protect); + res->data.memory24.minimum, + res->data.memory24.address_length, + res->data.memory24.write_protect); break; case ACPI_RESOURCE_TYPE_MEMORY32: pnpacpi_parse_allocated_memresource(res_table, - res->data.memory32.minimum, - res->data.memory32. - address_length, - res->data.memory32. - write_protect); + res->data.memory32.minimum, + res->data.memory32.address_length, + res->data.memory32.write_protect); break; case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: pnpacpi_parse_allocated_memresource(res_table, - res->data.fixed_memory32. - address, - res->data.fixed_memory32. - address_length, - res->data.fixed_memory32. - write_protect); + res->data.fixed_memory32.address, + res->data.fixed_memory32.address_length, + res->data.fixed_memory32.write_protect); break; case ACPI_RESOURCE_TYPE_ADDRESS16: case ACPI_RESOURCE_TYPE_ADDRESS32: @@ -346,18 +329,10 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, for (i = 0; i < res->data.extended_irq.interrupt_count; i++) { pnpacpi_parse_allocated_irqresource(res_table, - res->data. - extended_irq. - interrupts[i], - res->data. - extended_irq. - triggering, - res->data. - extended_irq. - polarity, - res->data. - extended_irq. - sharable); + res->data.extended_irq.interrupts[i], + res->data.extended_irq.triggering, + res->data.extended_irq.polarity, + res->data.extended_irq.sharable); } break; @@ -400,7 +375,6 @@ static void pnpacpi_parse_dma_option(struct pnp_option *option, dma->flags = dma_flags(p->type, p->bus_master, p->transfer); pnp_register_dma_resource(option, dma); - return; } static void pnpacpi_parse_irq_option(struct pnp_option *option, @@ -421,7 +395,6 @@ static void pnpacpi_parse_irq_option(struct pnp_option *option, irq->flags = irq_flags(p->triggering, p->polarity); pnp_register_irq_resource(option, irq); - return; } static void pnpacpi_parse_ext_irq_option(struct pnp_option *option, @@ -442,12 +415,10 @@ static void pnpacpi_parse_ext_irq_option(struct pnp_option *option, irq->flags = irq_flags(p->triggering, p->polarity); pnp_register_irq_resource(option, irq); - return; } -static void -pnpacpi_parse_port_option(struct pnp_option *option, - struct acpi_resource_io *io) +static void pnpacpi_parse_port_option(struct pnp_option *option, + struct acpi_resource_io *io) { struct pnp_port *port; @@ -463,12 +434,10 @@ pnpacpi_parse_port_option(struct pnp_option *option, port->flags = ACPI_DECODE_16 == io->io_decode ? PNP_PORT_FLAG_16BITADDR : 0; pnp_register_port_resource(option, port); - return; } -static void -pnpacpi_parse_fixed_port_option(struct pnp_option *option, - struct acpi_resource_fixed_io *io) +static void pnpacpi_parse_fixed_port_option(struct pnp_option *option, + struct acpi_resource_fixed_io *io) { struct pnp_port *port; @@ -482,12 +451,10 @@ pnpacpi_parse_fixed_port_option(struct pnp_option *option, port->align = 0; port->flags = PNP_PORT_FLAG_FIXED; pnp_register_port_resource(option, port); - return; } -static void -pnpacpi_parse_mem24_option(struct pnp_option *option, - struct acpi_resource_memory24 *p) +static void pnpacpi_parse_mem24_option(struct pnp_option *option, + struct acpi_resource_memory24 *p) { struct pnp_mem *mem; @@ -505,12 +472,10 @@ pnpacpi_parse_mem24_option(struct pnp_option *option, IORESOURCE_MEM_WRITEABLE : 0; pnp_register_mem_resource(option, mem); - return; } -static void -pnpacpi_parse_mem32_option(struct pnp_option *option, - struct acpi_resource_memory32 *p) +static void pnpacpi_parse_mem32_option(struct pnp_option *option, + struct acpi_resource_memory32 *p) { struct pnp_mem *mem; @@ -528,12 +493,10 @@ pnpacpi_parse_mem32_option(struct pnp_option *option, IORESOURCE_MEM_WRITEABLE : 0; pnp_register_mem_resource(option, mem); - return; } -static void -pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, - struct acpi_resource_fixed_memory32 *p) +static void pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, + struct acpi_resource_fixed_memory32 *p) { struct pnp_mem *mem; @@ -550,11 +513,10 @@ pnpacpi_parse_fixed_mem32_option(struct pnp_option *option, IORESOURCE_MEM_WRITEABLE : 0; pnp_register_mem_resource(option, mem); - return; } -static void -pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r) +static void pnpacpi_parse_address_option(struct pnp_option *option, + struct acpi_resource *r) { struct acpi_resource_address64 addr, *p = &addr; acpi_status status; @@ -635,7 +597,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res, priority = PNP_RES_PRIORITY_INVALID; break; } - /* TBD: Considering performace/robustness bits */ + /* TBD: Consider performance/robustness bits */ option = pnp_register_dependent_option(dev, priority); if (!option) return AE_ERROR; diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c index d546f79d4d3b..5dba68fe33f5 100644 --- a/drivers/pnp/pnpbios/bioscalls.c +++ b/drivers/pnp/pnpbios/bioscalls.c @@ -1,6 +1,5 @@ /* * bioscalls.c - the lowlevel layer of the PnPBIOS driver - * */ #include <linux/types.h> @@ -52,7 +51,8 @@ __asm__(".text \n" " pushl %eax \n" " lcallw *pnp_bios_callpoint\n" " addl $16, %esp \n" - " lret \n" ".previous \n"); + " lret \n" + ".previous \n"); #define Q2_SET_SEL(cpu, selname, address, size) \ do { \ @@ -125,7 +125,8 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, "popl %%es\n\t" "popl %%ds\n\t" "popl %%esi\n\t" - "popl %%edi\n\t" "popl %%ebp\n\t":"=a"(status) + "popl %%edi\n\t" + "popl %%ebp\n\t":"=a"(status) :"0"((func) | (((u32) arg1) << 16)), "b"((arg2) | (((u32) arg3) << 16)), "c"((arg4) | (((u32) arg5) << 16)), @@ -253,12 +254,12 @@ void pnpbios_print_status(const char *module, u16 status) static int __pnp_bios_dev_node_info(struct pnp_dev_node_info *data) { u16 status; + if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_NUM_SYS_DEV_NODES, 0, PNP_TS1, 2, PNP_TS1, - PNP_DS, 0, 0, data, sizeof(struct pnp_dev_node_info), - NULL, 0); + status = call_pnp_bios(PNP_GET_NUM_SYS_DEV_NODES, 0, PNP_TS1, 2, + PNP_TS1, PNP_DS, 0, 0, data, + sizeof(struct pnp_dev_node_info), NULL, 0); data->no_nodes &= 0xff; return status; } @@ -266,6 +267,7 @@ static int __pnp_bios_dev_node_info(struct pnp_dev_node_info *data) int pnp_bios_dev_node_info(struct pnp_dev_node_info *data) { int status = __pnp_bios_dev_node_info(data); + if (status) pnpbios_print_status("dev_node_info", status); return status; @@ -285,27 +287,28 @@ int pnp_bios_dev_node_info(struct pnp_dev_node_info *data) * or volatile current (0) config * Output: *nodenum=next node or 0xff if no more nodes */ -static int __pnp_bios_get_dev_node(u8 * nodenum, char boot, +static int __pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data) { u16 status; u16 tmp_nodenum; + if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; if (!boot && pnpbios_dont_use_current_config) return PNP_FUNCTION_NOT_SUPPORTED; tmp_nodenum = *nodenum; - status = - call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2, - boot ? 2 : 1, PNP_DS, 0, &tmp_nodenum, - sizeof(tmp_nodenum), data, 65536); + status = call_pnp_bios(PNP_GET_SYS_DEV_NODE, 0, PNP_TS1, 0, PNP_TS2, + boot ? 2 : 1, PNP_DS, 0, &tmp_nodenum, + sizeof(tmp_nodenum), data, 65536); *nodenum = tmp_nodenum; return status; } -int pnp_bios_get_dev_node(u8 * nodenum, char boot, struct pnp_bios_node *data) +int pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data) { int status; + status = __pnp_bios_get_dev_node(nodenum, boot, data); if (status) pnpbios_print_status("get_dev_node", status); @@ -322,19 +325,21 @@ static int __pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data) { u16 status; + if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; if (!boot && pnpbios_dont_use_current_config) return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1, - boot ? 2 : 1, PNP_DS, 0, 0, data, 65536, NULL, 0); + status = call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1, + boot ? 2 : 1, PNP_DS, 0, 0, data, 65536, NULL, + 0); return status; } int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data) { int status; + status = __pnp_bios_set_dev_node(nodenum, boot, data); if (status) { pnpbios_print_status("set_dev_node", status); @@ -348,68 +353,21 @@ int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data) return status; } -#if needed -/* - * Call PnP BIOS with function 0x03, "get event" - */ -static int pnp_bios_get_event(u16 * event) -{ - u16 status; - if (!pnp_bios_present()) - return PNP_FUNCTION_NOT_SUPPORTED; - status = call_pnp_bios(PNP_GET_EVENT, 0, PNP_TS1, PNP_DS, 0, 0, 0, 0, - event, sizeof(u16), NULL, 0); - return status; -} -#endif - -#if needed -/* - * Call PnP BIOS with function 0x04, "send message" - */ -static int pnp_bios_send_message(u16 message) -{ - u16 status; - if (!pnp_bios_present()) - return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_SEND_MESSAGE, message, PNP_DS, 0, 0, 0, 0, 0, 0, - 0, 0, 0); - return status; -} -#endif - /* * Call PnP BIOS with function 0x05, "get docking station information" */ int pnp_bios_dock_station_info(struct pnp_docking_station_info *data) { u16 status; - if (!pnp_bios_present()) - return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_DOCKING_STATION_INFORMATION, 0, PNP_TS1, - PNP_DS, 0, 0, 0, 0, data, - sizeof(struct pnp_docking_station_info), NULL, 0); - return status; -} -#if needed -/* - * Call PnP BIOS with function 0x09, "set statically allocated resource - * information" - */ -static int pnp_bios_set_stat_res(char *info) -{ - u16 status; if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_SET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1, PNP_DS, - 0, 0, 0, 0, info, *((u16 *) info), 0, 0); + status = call_pnp_bios(PNP_GET_DOCKING_STATION_INFORMATION, 0, PNP_TS1, + PNP_DS, 0, 0, 0, 0, data, + sizeof(struct pnp_docking_station_info), NULL, + 0); return status; } -#endif /* * Call PnP BIOS with function 0x0a, "get statically allocated resource @@ -418,57 +376,43 @@ static int pnp_bios_set_stat_res(char *info) static int __pnp_bios_get_stat_res(char *info) { u16 status; + if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1, PNP_DS, - 0, 0, 0, 0, info, 65536, NULL, 0); + status = call_pnp_bios(PNP_GET_STATIC_ALLOCED_RES_INFO, 0, PNP_TS1, + PNP_DS, 0, 0, 0, 0, info, 65536, NULL, 0); return status; } int pnp_bios_get_stat_res(char *info) { int status; + status = __pnp_bios_get_stat_res(info); if (status) pnpbios_print_status("get_stat_res", status); return status; } -#if needed -/* - * Call PnP BIOS with function 0x0b, "get APM id table" - */ -static int pnp_bios_apm_id_table(char *table, u16 * size) -{ - u16 status; - if (!pnp_bios_present()) - return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_APM_ID_TABLE, 0, PNP_TS2, 0, PNP_TS1, PNP_DS, - 0, 0, table, *size, size, sizeof(u16)); - return status; -} -#endif - /* * Call PnP BIOS with function 0x40, "get isa pnp configuration structure" */ static int __pnp_bios_isapnp_config(struct pnp_isa_config_struc *data) { u16 status; + if (!pnp_bios_present()) return PNP_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_PNP_ISA_CONFIG_STRUC, 0, PNP_TS1, PNP_DS, 0, - 0, 0, 0, data, sizeof(struct pnp_isa_config_struc), - NULL, 0); + status = call_pnp_bios(PNP_GET_PNP_ISA_CONFIG_STRUC, 0, PNP_TS1, PNP_DS, + 0, 0, 0, 0, data, + sizeof(struct pnp_isa_config_struc), NULL, 0); return status; } int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data) { int status; + status = __pnp_bios_isapnp_config(data); if (status) pnpbios_print_status("isapnp_config", status); @@ -481,18 +425,19 @@ int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data) static int __pnp_bios_escd_info(struct escd_info_struc *data) { u16 status; + if (!pnp_bios_present()) return ESCD_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_GET_ESCD_INFO, 0, PNP_TS1, 2, PNP_TS1, 4, PNP_TS1, - PNP_DS, data, sizeof(struct escd_info_struc), NULL, - 0); + status = call_pnp_bios(PNP_GET_ESCD_INFO, 0, PNP_TS1, 2, PNP_TS1, 4, + PNP_TS1, PNP_DS, data, + sizeof(struct escd_info_struc), NULL, 0); return status; } int pnp_bios_escd_info(struct escd_info_struc *data) { int status; + status = __pnp_bios_escd_info(data); if (status) pnpbios_print_status("escd_info", status); @@ -506,46 +451,28 @@ int pnp_bios_escd_info(struct escd_info_struc *data) static int __pnp_bios_read_escd(char *data, u32 nvram_base) { u16 status; + if (!pnp_bios_present()) return ESCD_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_READ_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0, 0, - data, 65536, __va(nvram_base), 65536); + status = call_pnp_bios(PNP_READ_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0, + 0, data, 65536, __va(nvram_base), 65536); return status; } int pnp_bios_read_escd(char *data, u32 nvram_base) { int status; + status = __pnp_bios_read_escd(data, nvram_base); if (status) pnpbios_print_status("read_escd", status); return status; } -#if needed -/* - * Call PnP BIOS function 0x43, "write ESCD" - */ -static int pnp_bios_write_escd(char *data, u32 nvram_base) -{ - u16 status; - if (!pnp_bios_present()) - return ESCD_FUNCTION_NOT_SUPPORTED; - status = - call_pnp_bios(PNP_WRITE_ESCD, 0, PNP_TS1, PNP_TS2, PNP_DS, 0, 0, 0, - data, 65536, __va(nvram_base), 65536); - return status; -} -#endif - -/* - * Initialization - */ - void pnpbios_calls_init(union pnp_bios_install_struct *header) { int i; + spin_lock_init(&pnp_bios_lock); pnp_bios_callpoint.offset = header->fields.pm16offset; pnp_bios_callpoint.segment = PNP_CS16; diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 21289cb13a33..3692a099b45f 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -100,25 +100,24 @@ static struct completion unload_sem; /* * (Much of this belongs in a shared routine somewhere) */ - static int pnp_dock_event(int dock, struct pnp_docking_station_info *info) { char *argv[3], **envp, *buf, *scratch; int i = 0, value; - if (!current->fs->root) { + if (!current->fs->root) return -EAGAIN; - } - if (!(envp = kcalloc(20, sizeof(char *), GFP_KERNEL))) { + if (!(envp = kcalloc(20, sizeof(char *), GFP_KERNEL))) return -ENOMEM; - } if (!(buf = kzalloc(256, GFP_KERNEL))) { kfree(envp); return -ENOMEM; } - /* FIXME: if there are actual users of this, it should be integrated into - * the driver core and use the usual infrastructure like sysfs and uevents */ + /* FIXME: if there are actual users of this, it should be + * integrated into the driver core and use the usual infrastructure + * like sysfs and uevents + */ argv[0] = "/sbin/pnpbios"; argv[1] = "dock"; argv[2] = NULL; @@ -146,7 +145,7 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info) info->location_id, info->serial, info->capabilities); envp[i] = NULL; - value = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC); + value = call_usermodehelper(argv [0], argv, envp, UMH_WAIT_EXEC); kfree(buf); kfree(envp); return 0; @@ -159,6 +158,7 @@ static int pnp_dock_thread(void *unused) { static struct pnp_docking_station_info now; int docked = -1, d = 0; + set_freezable(); while (!unloading) { int status; @@ -203,7 +203,7 @@ static int pnp_dock_thread(void *unused) complete_and_exit(&unload_sem, 0); } -#endif /* CONFIG_HOTPLUG */ +#endif /* CONFIG_HOTPLUG */ static int pnpbios_get_resources(struct pnp_dev *dev, struct pnp_resource_table *res) @@ -211,7 +211,6 @@ static int pnpbios_get_resources(struct pnp_dev *dev, u8 nodenum = dev->number; struct pnp_bios_node *node; - /* just in case */ if (!pnpbios_is_dynamic(dev)) return -EPERM; @@ -235,7 +234,6 @@ static int pnpbios_set_resources(struct pnp_dev *dev, struct pnp_bios_node *node; int ret; - /* just in case */ if (!pnpbios_is_dynamic(dev)) return -EPERM; @@ -263,6 +261,7 @@ static void pnpbios_zero_data_stream(struct pnp_bios_node *node) unsigned char *end = (char *)(node->data + node->size); unsigned int len; int i; + while ((char *)p < (char *)end) { if (p[0] & 0x80) { /* large tag */ len = (p[2] << 8) | p[1]; @@ -287,7 +286,6 @@ static int pnpbios_disable_resources(struct pnp_dev *dev) u8 nodenum = dev->number; int ret; - /* just in case */ if (dev->flags & PNPBIOS_NO_DISABLE || !pnpbios_is_dynamic(dev)) return -EPERM; @@ -418,8 +416,8 @@ static void __init build_devlist(void) * */ -static int pnpbios_disabled; /* = 0 */ -int pnpbios_dont_use_current_config; /* = 0 */ +static int pnpbios_disabled; +int pnpbios_dont_use_current_config; #ifndef MODULE static int __init pnpbios_setup(char *str) @@ -551,7 +549,7 @@ static int __init pnpbios_init(void) printk(KERN_INFO "PnPBIOS: Disabled by ACPI PNP\n"); return -ENODEV; } -#endif /* CONFIG_ACPI */ +#endif /* CONFIG_ACPI */ /* scan the system for pnpbios support */ if (!pnpbios_probe_system()) diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c index b7e1d23e8a4e..9c8c07701b65 100644 --- a/drivers/pnp/pnpbios/proc.c +++ b/drivers/pnp/pnpbios/proc.c @@ -18,9 +18,6 @@ * The other files are human-readable. */ -//#include <pcmcia/config.h> -//#include <pcmcia/k_compat.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -297,6 +294,4 @@ void __exit pnpbios_proc_exit(void) remove_proc_entry("devices", proc_pnp); remove_proc_entry("boot", proc_pnp); remove_proc_entry("pnp", proc_bus); - - return; } diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index 54c34d4d4f44..04ecd7b67230 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -1,6 +1,5 @@ /* * rsparser.c - parses and encodes pnpbios resource data streams - * */ #include <linux/ctype.h> @@ -15,7 +14,7 @@ inline void pcibios_penalize_isa_irq(int irq, int active) { } -#endif /* CONFIG_PCI */ +#endif /* CONFIG_PCI */ #include "pnpbios.h" @@ -54,10 +53,11 @@ inline void pcibios_penalize_isa_irq(int irq, int active) * Allocated Resources */ -static void -pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res, int irq) +static void pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res, + int irq) { int i = 0; + while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) && i < PNP_MAX_IRQ) i++; @@ -73,10 +73,11 @@ pnpbios_parse_allocated_irqresource(struct pnp_resource_table *res, int irq) } } -static void -pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res, int dma) +static void pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res, + int dma) { int i = 0; + while (i < PNP_MAX_DMA && !(res->dma_resource[i].flags & IORESOURCE_UNSET)) i++; @@ -91,11 +92,11 @@ pnpbios_parse_allocated_dmaresource(struct pnp_resource_table *res, int dma) } } -static void -pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res, int io, - int len) +static void pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res, + int io, int len) { int i = 0; + while (!(res->port_resource[i].flags & IORESOURCE_UNSET) && i < PNP_MAX_PORT) i++; @@ -110,11 +111,11 @@ pnpbios_parse_allocated_ioresource(struct pnp_resource_table *res, int io, } } -static void -pnpbios_parse_allocated_memresource(struct pnp_resource_table *res, int mem, - int len) +static void pnpbios_parse_allocated_memresource(struct pnp_resource_table *res, + int mem, int len) { int i = 0; + while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) && i < PNP_MAX_MEM) i++; @@ -261,10 +262,11 @@ static unsigned char *pnpbios_parse_allocated_resource_data(unsigned char *p, * Resource Configuration Options */ -static void -pnpbios_parse_mem_option(unsigned char *p, int size, struct pnp_option *option) +static void pnpbios_parse_mem_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_mem *mem; + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; @@ -274,14 +276,13 @@ pnpbios_parse_mem_option(unsigned char *p, int size, struct pnp_option *option) mem->size = ((p[11] << 8) | p[10]) << 8; mem->flags = p[3]; pnp_register_mem_resource(option, mem); - return; } -static void -pnpbios_parse_mem32_option(unsigned char *p, int size, - struct pnp_option *option) +static void pnpbios_parse_mem32_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_mem *mem; + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; @@ -291,12 +292,10 @@ pnpbios_parse_mem32_option(unsigned char *p, int size, mem->size = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16]; mem->flags = p[3]; pnp_register_mem_resource(option, mem); - return; } -static void -pnpbios_parse_fixed_mem32_option(unsigned char *p, int size, - struct pnp_option *option) +static void pnpbios_parse_fixed_mem32_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_mem *mem; mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); @@ -307,11 +306,10 @@ pnpbios_parse_fixed_mem32_option(unsigned char *p, int size, mem->align = 0; mem->flags = p[3]; pnp_register_mem_resource(option, mem); - return; } -static void -pnpbios_parse_irq_option(unsigned char *p, int size, struct pnp_option *option) +static void pnpbios_parse_irq_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_irq *irq; unsigned long bits; @@ -326,26 +324,26 @@ pnpbios_parse_irq_option(unsigned char *p, int size, struct pnp_option *option) else irq->flags = IORESOURCE_IRQ_HIGHEDGE; pnp_register_irq_resource(option, irq); - return; } -static void -pnpbios_parse_dma_option(unsigned char *p, int size, struct pnp_option *option) +static void pnpbios_parse_dma_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_dma *dma; + dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); if (!dma) return; dma->map = p[1]; dma->flags = p[2]; pnp_register_dma_resource(option, dma); - return; } -static void -pnpbios_parse_port_option(unsigned char *p, int size, struct pnp_option *option) +static void pnpbios_parse_port_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_port *port; + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; @@ -355,14 +353,13 @@ pnpbios_parse_port_option(unsigned char *p, int size, struct pnp_option *option) port->size = p[7]; port->flags = p[1] ? PNP_PORT_FLAG_16BITADDR : 0; pnp_register_port_resource(option, port); - return; } -static void -pnpbios_parse_fixed_port_option(unsigned char *p, int size, - struct pnp_option *option) +static void pnpbios_parse_fixed_port_option(unsigned char *p, int size, + struct pnp_option *option) { struct pnp_port *port; + port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); if (!port) return; @@ -371,7 +368,6 @@ pnpbios_parse_fixed_port_option(unsigned char *p, int size, port->align = 0; port->flags = PNP_PORT_FLAG_FIXED; pnp_register_port_resource(option, port); - return; } static unsigned char *pnpbios_parse_resource_option_data(unsigned char *p, @@ -498,7 +494,6 @@ static unsigned char *pnpbios_parse_resource_option_data(unsigned char *p, #define HEX(id,a) hex[((id)>>a) & 15] #define CHAR(id,a) (0x40 + (((id)>>a) & 31)) -// void pnpid32_to_pnpid(u32 id, char *str) { @@ -513,11 +508,8 @@ void pnpid32_to_pnpid(u32 id, char *str) str[5] = HEX(id, 4); str[6] = HEX(id, 0); str[7] = '\0'; - - return; } -// #undef CHAR #undef HEX @@ -598,19 +590,20 @@ static void pnpbios_encode_mem(unsigned char *p, struct resource *res) { unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + p[4] = (base >> 8) & 0xff; p[5] = ((base >> 8) >> 8) & 0xff; p[6] = (base >> 8) & 0xff; p[7] = ((base >> 8) >> 8) & 0xff; p[10] = (len >> 8) & 0xff; p[11] = ((len >> 8) >> 8) & 0xff; - return; } static void pnpbios_encode_mem32(unsigned char *p, struct resource *res) { unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + p[4] = base & 0xff; p[5] = (base >> 8) & 0xff; p[6] = (base >> 16) & 0xff; @@ -623,13 +616,13 @@ static void pnpbios_encode_mem32(unsigned char *p, struct resource *res) p[17] = (len >> 8) & 0xff; p[18] = (len >> 16) & 0xff; p[19] = (len >> 24) & 0xff; - return; } static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res) { unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + p[4] = base & 0xff; p[5] = (base >> 8) & 0xff; p[6] = (base >> 16) & 0xff; @@ -638,46 +631,45 @@ static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res) p[9] = (len >> 8) & 0xff; p[10] = (len >> 16) & 0xff; p[11] = (len >> 24) & 0xff; - return; } static void pnpbios_encode_irq(unsigned char *p, struct resource *res) { unsigned long map = 0; + map = 1 << res->start; p[1] = map & 0xff; p[2] = (map >> 8) & 0xff; - return; } static void pnpbios_encode_dma(unsigned char *p, struct resource *res) { unsigned long map = 0; + map = 1 << res->start; p[1] = map & 0xff; - return; } static void pnpbios_encode_port(unsigned char *p, struct resource *res) { unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + p[2] = base & 0xff; p[3] = (base >> 8) & 0xff; p[4] = base & 0xff; p[5] = (base >> 8) & 0xff; p[7] = len & 0xff; - return; } static void pnpbios_encode_fixed_port(unsigned char *p, struct resource *res) { unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + p[1] = base & 0xff; p[2] = (base >> 8) & 0xff; p[3] = len & 0xff; - return; } static unsigned char *pnpbios_encode_allocated_resource_data(unsigned char *p, @@ -792,6 +784,7 @@ int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node *node) { unsigned char *p = (char *)node->data; unsigned char *end = (char *)(node->data + node->size); + p = pnpbios_parse_allocated_resource_data(p, end, &dev->res); if (!p) return -EIO; @@ -804,24 +797,24 @@ int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node *node) return 0; } -int -pnpbios_read_resources_from_node(struct pnp_resource_table *res, - struct pnp_bios_node *node) +int pnpbios_read_resources_from_node(struct pnp_resource_table *res, + struct pnp_bios_node *node) { unsigned char *p = (char *)node->data; unsigned char *end = (char *)(node->data + node->size); + p = pnpbios_parse_allocated_resource_data(p, end, res); if (!p) return -EIO; return 0; } -int -pnpbios_write_resources_to_node(struct pnp_resource_table *res, - struct pnp_bios_node *node) +int pnpbios_write_resources_to_node(struct pnp_resource_table *res, + struct pnp_bios_node *node) { unsigned char *p = (char *)node->data; unsigned char *end = (char *)(node->data + node->size); + p = pnpbios_encode_allocated_resource_data(p, end, res); if (!p) return -EIO; diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index 8e7d7738f296..90755d4cdb9f 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -105,7 +105,6 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev) if (changed) printk(KERN_INFO "pnp: SB audio device quirk - increasing port range\n"); - return; } static int quirk_smc_fir_enabled(struct pnp_dev *dev) diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 635b11a0cf82..ea6ec14a0559 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -3,7 +3,6 @@ * * based on isapnp.c resource management (c) Jaroslav Kysela <perex@suse.cz> * Copyright 2003 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/module.h> @@ -20,10 +19,10 @@ #include <linux/pnp.h> #include "base.h" -static int pnp_reserve_irq[16] = {[0...15] = -1 }; /* reserve (don't use) some IRQ */ -static int pnp_reserve_dma[8] = {[0...7] = -1 }; /* reserve (don't use) some DMA */ -static int pnp_reserve_io[16] = {[0...15] = -1 }; /* reserve (don't use) some I/O region */ -static int pnp_reserve_mem[16] = {[0...15] = -1 }; /* reserve (don't use) some memory region */ +static int pnp_reserve_irq[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some IRQ */ +static int pnp_reserve_dma[8] = {[0 ... 7] = -1 }; /* reserve (don't use) some DMA */ +static int pnp_reserve_io[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some I/O region */ +static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some memory region */ /* * option registration @@ -33,7 +32,6 @@ static struct pnp_option *pnp_build_option(int priority) { struct pnp_option *option = pnp_alloc(sizeof(struct pnp_option)); - /* check if pnp_alloc ran out of memory */ if (!option) return NULL; @@ -48,6 +46,7 @@ static struct pnp_option *pnp_build_option(int priority) struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev) { struct pnp_option *option; + if (!dev) return NULL; @@ -64,6 +63,7 @@ struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int priority) { struct pnp_option *option; + if (!dev) return NULL; @@ -82,6 +82,7 @@ struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) { struct pnp_irq *ptr; + if (!option) return -EINVAL; if (!data) @@ -110,6 +111,7 @@ int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) { struct pnp_dma *ptr; + if (!option) return -EINVAL; if (!data) @@ -129,6 +131,7 @@ int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) { struct pnp_port *ptr; + if (!option) return -EINVAL; if (!data) @@ -148,6 +151,7 @@ int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data) { struct pnp_mem *ptr; + if (!option) return -EINVAL; if (!data) @@ -240,6 +244,7 @@ int pnp_check_port(struct pnp_dev *dev, int idx) int tmp; struct pnp_dev *tdev; resource_size_t *port, *end, *tport, *tend; + port = &dev->res.port_resource[idx].start; end = &dev->res.port_resource[idx].end; @@ -297,6 +302,7 @@ int pnp_check_mem(struct pnp_dev *dev, int idx) int tmp; struct pnp_dev *tdev; resource_size_t *addr, *end, *taddr, *tend; + addr = &dev->res.mem_resource[idx].start; end = &dev->res.mem_resource[idx].end; @@ -474,22 +480,12 @@ int pnp_check_dma(struct pnp_dev *dev, int idx) return 1; #else - /* IA64 hasn't legacy DMA */ + /* IA64 does not have legacy DMA */ return 0; #endif } -#if 0 -EXPORT_SYMBOL(pnp_register_dependent_option); -EXPORT_SYMBOL(pnp_register_independent_option); -EXPORT_SYMBOL(pnp_register_irq_resource); -EXPORT_SYMBOL(pnp_register_dma_resource); -EXPORT_SYMBOL(pnp_register_port_resource); -EXPORT_SYMBOL(pnp_register_mem_resource); -#endif /* 0 */ - /* format is: pnp_reserve_irq=irq1[,irq2] .... */ - static int __init pnp_setup_reserve_irq(char *str) { int i; @@ -503,7 +499,6 @@ static int __init pnp_setup_reserve_irq(char *str) __setup("pnp_reserve_irq=", pnp_setup_reserve_irq); /* format is: pnp_reserve_dma=dma1[,dma2] .... */ - static int __init pnp_setup_reserve_dma(char *str) { int i; @@ -517,7 +512,6 @@ static int __init pnp_setup_reserve_dma(char *str) __setup("pnp_reserve_dma=", pnp_setup_reserve_dma); /* format is: pnp_reserve_io=io1,size1[,io2,size2] .... */ - static int __init pnp_setup_reserve_io(char *str) { int i; @@ -531,7 +525,6 @@ static int __init pnp_setup_reserve_io(char *str) __setup("pnp_reserve_io=", pnp_setup_reserve_io); /* format is: pnp_reserve_mem=mem1,size1[,mem2,size2] .... */ - static int __init pnp_setup_reserve_mem(char *str) { int i; diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c index 525db2e7d6c7..13c608f5fb30 100644 --- a/drivers/pnp/support.c +++ b/drivers/pnp/support.c @@ -1,8 +1,7 @@ /* - * support.c - provides standard pnp functions for the use of pnp protocol drivers, + * support.c - standard functions for the use of pnp protocol drivers * * Copyright 2003 Adam Belay <ambx1@neo.rr.com> - * */ #include <linux/module.h> @@ -11,11 +10,10 @@ #include "base.h" /** - * pnp_is_active - Determines if a device is active based on its current resources + * pnp_is_active - Determines if a device is active based on its current + * resources * @dev: pointer to the desired PnP device - * */ - int pnp_is_active(struct pnp_dev *dev) { if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 && diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c index 8d71008accba..a06f980b3ac9 100644 --- a/drivers/pnp/system.c +++ b/drivers/pnp/system.c @@ -45,8 +45,7 @@ static void reserve_range(const char *pnpid, resource_size_t start, * example do reserve stuff they know about too, so we may well * have double reservations. */ - printk(KERN_INFO - "pnp: %s: %s range 0x%llx-0x%llx %s reserved\n", + printk(KERN_INFO "pnp: %s: %s range 0x%llx-0x%llx %s reserved\n", pnpid, port ? "ioport" : "iomem", (unsigned long long)start, (unsigned long long)end, NULL != res ? "has been" : "could not be"); @@ -85,8 +84,6 @@ static void reserve_resources_of_dev(const struct pnp_dev *dev) reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i), pnp_mem_end(dev, i), 0); } - - return; } static int system_pnp_probe(struct pnp_dev *dev, @@ -97,11 +94,10 @@ static int system_pnp_probe(struct pnp_dev *dev, } static struct pnp_driver system_pnp_driver = { - .name = "system", + .name = "system", .id_table = pnp_dev_table, - .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, - .probe = system_pnp_probe, - .remove = NULL, + .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, + .probe = system_pnp_probe, }; static int __init pnp_system_init(void) diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 6f9cf2fcffd0..16b46aace349 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -1,7 +1,6 @@ /* * Linux Plug and Play Support * Copyright by Adam Belay <ambx1@neo.rr.com> - * */ #ifndef _LINUX_PNP_H @@ -83,7 +82,7 @@ struct pnp_port { #define PNP_IRQ_NR 256 struct pnp_irq { - DECLARE_BITMAP(map, PNP_IRQ_NR); /* bitmaks for IRQ lines */ + DECLARE_BITMAP(map, PNP_IRQ_NR); /* bitmask for IRQ lines */ unsigned char flags; /* IRQ flags */ unsigned char pad; /* pad */ struct pnp_irq *next; /* next IRQ */ @@ -112,10 +111,10 @@ struct pnp_mem { struct pnp_option { unsigned short priority; /* priority */ - struct pnp_port *port; /* first port */ - struct pnp_irq *irq; /* first IRQ */ - struct pnp_dma *dma; /* first DMA */ - struct pnp_mem *mem; /* first memory resource */ + struct pnp_port *port; /* first port */ + struct pnp_irq *irq; /* first IRQ */ + struct pnp_dma *dma; /* first DMA */ + struct pnp_mem *mem; /* first memory resource */ struct pnp_option *next; /* used to chain dependent resources */ }; @@ -131,20 +130,20 @@ struct pnp_resource_table { */ struct pnp_card { - struct device dev; /* Driver Model device interface */ - unsigned char number; /* used as an index, must be unique */ + struct device dev; /* Driver Model device interface */ + unsigned char number; /* used as an index, must be unique */ struct list_head global_list; /* node in global list of cards */ struct list_head protocol_list; /* node in protocol's list of cards */ struct list_head devices; /* devices attached to the card */ struct pnp_protocol *protocol; - struct pnp_id *id; /* contains supported EISA IDs */ + struct pnp_id *id; /* contains supported EISA IDs */ char name[PNP_NAME_LEN]; /* contains a human-readable name */ - unsigned char pnpver; /* Plug & Play version */ + unsigned char pnpver; /* Plug & Play version */ unsigned char productver; /* product version */ - unsigned int serial; /* serial number */ - unsigned char checksum; /* if zero - checksum passed */ + unsigned int serial; /* serial number */ + unsigned char checksum; /* if zero - checksum passed */ struct proc_dir_entry *procdir; /* directory entry in /proc/bus/isapnp */ }; @@ -174,9 +173,9 @@ static inline void pnp_set_card_drvdata(struct pnp_card_link *pcard, void *data) } struct pnp_dev { - struct device dev; /* Driver Model device interface */ + struct device dev; /* Driver Model device interface */ u64 dma_mask; - unsigned char number; /* used as an index, must be unique */ + unsigned char number; /* used as an index, must be unique */ int status; struct list_head global_list; /* node in global list of devices */ @@ -189,7 +188,7 @@ struct pnp_dev { struct pnp_driver *driver; struct pnp_card_link *card_link; - struct pnp_id *id; /* supported EISA IDs */ + struct pnp_id *id; /* supported EISA IDs */ int active; int capabilities; @@ -198,8 +197,8 @@ struct pnp_dev { struct pnp_resource_table res; char name[PNP_NAME_LEN]; /* contains a human-readable name */ - unsigned short regs; /* ISAPnP: supported registers */ - int flags; /* used by protocols */ + unsigned short regs; /* ISAPnP: supported registers */ + int flags; /* used by protocols */ struct proc_dir_entry *procent; /* device entry in /proc/bus/isapnp */ void *data; }; @@ -291,11 +290,10 @@ struct pnp_driver { char *name; const struct pnp_device_id *id_table; unsigned int flags; - int (*probe) (struct pnp_dev * dev, - const struct pnp_device_id * dev_id); - void (*remove) (struct pnp_dev * dev); - int (*suspend) (struct pnp_dev * dev, pm_message_t state); - int (*resume) (struct pnp_dev * dev); + int (*probe) (struct pnp_dev *dev, const struct pnp_device_id *dev_id); + void (*remove) (struct pnp_dev *dev); + int (*suspend) (struct pnp_dev *dev, pm_message_t state); + int (*resume) (struct pnp_dev *dev); struct device_driver driver; }; @@ -306,11 +304,11 @@ struct pnp_card_driver { char *name; const struct pnp_card_device_id *id_table; unsigned int flags; - int (*probe) (struct pnp_card_link * card, - const struct pnp_card_device_id * card_id); - void (*remove) (struct pnp_card_link * card); - int (*suspend) (struct pnp_card_link * card, pm_message_t state); - int (*resume) (struct pnp_card_link * card); + int (*probe) (struct pnp_card_link *card, + const struct pnp_card_device_id *card_id); + void (*remove) (struct pnp_card_link *card); + int (*suspend) (struct pnp_card_link *card, pm_message_t state); + int (*resume) (struct pnp_card_link *card); struct pnp_driver link; }; @@ -329,9 +327,9 @@ struct pnp_protocol { char *name; /* resource control functions */ - int (*get) (struct pnp_dev * dev, struct pnp_resource_table * res); - int (*set) (struct pnp_dev * dev, struct pnp_resource_table * res); - int (*disable) (struct pnp_dev * dev); + int (*get) (struct pnp_dev *dev, struct pnp_resource_table *res); + int (*set) (struct pnp_dev *dev, struct pnp_resource_table *res); + int (*disable) (struct pnp_dev *dev); /* protocol specific suspend/resume */ int (*suspend) (struct pnp_dev * dev, pm_message_t state); @@ -411,159 +409,49 @@ void pnp_unregister_driver(struct pnp_driver *drv); #else /* device management */ -static inline int pnp_register_protocol(struct pnp_protocol *protocol) -{ - return -ENODEV; -} -static inline void pnp_unregister_protocol(struct pnp_protocol *protocol) -{ -} -static inline int pnp_init_device(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_add_device(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_device_attach(struct pnp_dev *pnp_dev) -{ - return -ENODEV; -} -static inline void pnp_device_detach(struct pnp_dev *pnp_dev) -{; -} +static inline int pnp_register_protocol(struct pnp_protocol *protocol) { return -ENODEV; } +static inline void pnp_unregister_protocol(struct pnp_protocol *protocol) { } +static inline int pnp_init_device(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_add_device(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; } +static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { } #define pnp_platform_devices 0 /* multidevice card support */ -static inline int pnp_add_card(struct pnp_card *card) -{ - return -ENODEV; -} -static inline void pnp_remove_card(struct pnp_card *card) -{; -} -static inline int pnp_add_card_device(struct pnp_card *card, - struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline void pnp_remove_card_device(struct pnp_dev *dev) -{; -} -static inline int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card) -{ - return -ENODEV; -} -static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link - *clink, const char *id, - struct pnp_dev *from) -{ - return NULL; -} -static inline void pnp_release_card_device(struct pnp_dev *dev) -{; -} -static inline int pnp_register_card_driver(struct pnp_card_driver *drv) -{ - return -ENODEV; -} -static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) -{; -} +static inline int pnp_add_card(struct pnp_card *card) { return -ENODEV; } +static inline void pnp_remove_card(struct pnp_card *card) { } +static inline int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev) { return -ENODEV; } +static inline void pnp_remove_card_device(struct pnp_dev *dev) { } +static inline int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card) { return -ENODEV; } +static inline struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, const char *id, struct pnp_dev *from) { return NULL; } +static inline void pnp_release_card_device(struct pnp_dev *dev) { } +static inline int pnp_register_card_driver(struct pnp_card_driver *drv) { return -ENODEV; } +static inline void pnp_unregister_card_driver(struct pnp_card_driver *drv) { } /* resource management */ -static inline struct pnp_option *pnp_register_independent_option(struct pnp_dev - *dev) -{ - return NULL; -} -static inline struct pnp_option *pnp_register_dependent_option(struct pnp_dev - *dev, - int priority) -{ - return NULL; -} -static inline int pnp_register_irq_resource(struct pnp_option *option, - struct pnp_irq *data) -{ - return -ENODEV; -} -static inline int pnp_register_dma_resource(struct pnp_option *option, - struct pnp_dma *data) -{ - return -ENODEV; -} -static inline int pnp_register_port_resource(struct pnp_option *option, - struct pnp_port *data) -{ - return -ENODEV; -} -static inline int pnp_register_mem_resource(struct pnp_option *option, - struct pnp_mem *data) -{ - return -ENODEV; -} -static inline void pnp_init_resource_table(struct pnp_resource_table *table) -{ -} -static inline int pnp_manual_config_dev(struct pnp_dev *dev, - struct pnp_resource_table *res, - int mode) -{ - return -ENODEV; -} -static inline int pnp_auto_config_dev(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_validate_config(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_start_dev(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_stop_dev(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_activate_dev(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_disable_dev(struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline void pnp_resource_change(struct resource *resource, - resource_size_t start, - resource_size_t size) -{ -} +static inline struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev) { return NULL; } +static inline struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, int priority) { return NULL; } +static inline int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) { return -ENODEV; } +static inline int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) { return -ENODEV; } +static inline int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) { return -ENODEV; } +static inline int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data) { return -ENODEV; } +static inline void pnp_init_resource_table(struct pnp_resource_table *table) { } +static inline int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, int mode) { return -ENODEV; } +static inline int pnp_auto_config_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_validate_config(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline void pnp_resource_change(struct resource *resource, resource_size_t start, resource_size_t size) { } /* protocol helpers */ -static inline int pnp_is_active(struct pnp_dev *dev) -{ - return 0; -} -static inline int compare_pnp_id(struct pnp_id *pos, const char *id) -{ - return -ENODEV; -} -static inline int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) -{ - return -ENODEV; -} -static inline int pnp_register_driver(struct pnp_driver *drv) -{ - return -ENODEV; -} -static inline void pnp_unregister_driver(struct pnp_driver *drv) -{; -} +static inline int pnp_is_active(struct pnp_dev *dev) { return 0; } +static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -ENODEV; } +static inline int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; } +static inline void pnp_unregister_driver(struct pnp_driver *drv) { } #endif /* CONFIG_PNP */ diff --git a/include/linux/pnpbios.h b/include/linux/pnpbios.h index 2e625d11a176..329192adc9dd 100644 --- a/include/linux/pnpbios.h +++ b/include/linux/pnpbios.h @@ -134,7 +134,7 @@ struct pnp_bios_node { extern struct pnp_dev_node_info node_info; extern int pnp_bios_dev_node_info(struct pnp_dev_node_info *data); -extern int pnp_bios_get_dev_node(u8 * nodenum, char config, +extern int pnp_bios_get_dev_node(u8 *nodenum, char config, struct pnp_bios_node *data); extern int pnp_bios_set_dev_node(u8 nodenum, char config, struct pnp_bios_node *data); @@ -143,14 +143,6 @@ extern int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data); extern int pnp_bios_escd_info(struct escd_info_struc *data); extern int pnp_bios_read_escd(char *data, u32 nvram_base); extern int pnp_bios_dock_station_info(struct pnp_docking_station_info *data); -#define needed 0 -#if needed -extern int pnp_bios_get_event(u16 * message); -extern int pnp_bios_send_message(u16 message); -extern int pnp_bios_set_stat_res(char *info); -extern int pnp_bios_apm_id_table(char *table, u16 * size); -extern int pnp_bios_write_escd(char *data, u32 nvram_base); -#endif #endif /* CONFIG_PNPBIOS */ |