From: Dominik Brodowski Date: Mon, 27 Jun 2005 23:28:53 +0000 (-0700) Subject: [PATCH] pcmcia: cs.c cleanup X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=33519ddd43f4adc221ee7b2801dedd19ac97540b;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git [PATCH] pcmcia: cs.c cleanup Clean up cs.c Signed-off-by: Dominik Brodowski Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index a8aa7b9cf641..8567f4fad501 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -385,6 +385,7 @@ int pcmcia_replace_cis(struct pcmcia_socket *s, cisdump_t *cis) memcpy(s->fake_cis, cis->Data, cis->Length); return CS_SUCCESS; } +EXPORT_SYMBOL(pcmcia_replace_cis); /*====================================================================== diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 6a35a4a9f932..0ff4d6ec8b77 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -43,36 +43,11 @@ #include #include "cs_internal.h" -#ifdef CONFIG_PCI -#define PCI_OPT " [pci]" -#else -#define PCI_OPT "" -#endif -#ifdef CONFIG_CARDBUS -#define CB_OPT " [cardbus]" -#else -#define CB_OPT "" -#endif -#ifdef CONFIG_PM -#define PM_OPT " [pm]" -#else -#define PM_OPT "" -#endif -#if !defined(CONFIG_CARDBUS) && !defined(CONFIG_PCI) && !defined(CONFIG_PM) -#define OPTIONS " none" -#else -#define OPTIONS PCI_OPT CB_OPT PM_OPT -#endif - -static const char *release = "Linux Kernel Card Services"; -static const char *options = "options: " OPTIONS; - -/*====================================================================*/ /* Module parameters */ MODULE_AUTHOR("David Hinds "); -MODULE_DESCRIPTION("Linux Kernel Card Services\noptions:" OPTIONS); +MODULE_DESCRIPTION("Linux Kernel Card Services"); MODULE_LICENSE("GPL"); #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0444) @@ -100,29 +75,26 @@ int cs_debug_level(int level) } #endif -/*====================================================================*/ socket_state_t dead_socket = { .csc_mask = SS_DETECT, }; +EXPORT_SYMBOL(dead_socket); /* List of all sockets, protected by a rwsem */ LIST_HEAD(pcmcia_socket_list); -DECLARE_RWSEM(pcmcia_socket_list_rwsem); EXPORT_SYMBOL(pcmcia_socket_list); -EXPORT_SYMBOL(pcmcia_socket_list_rwsem); +DECLARE_RWSEM(pcmcia_socket_list_rwsem); +EXPORT_SYMBOL(pcmcia_socket_list_rwsem); -/*==================================================================== - - Low-level PC Card interface drivers need to register with Card - Services using these calls. - -======================================================================*/ /** - * socket drivers are expected to use the following callbacks in their + * Low-level PCMCIA socket drivers need to register with the PCCard + * core using pcmcia_register_socket. + * + * socket drivers are expected to use the following callbacks in their * .drv struct: * - pcmcia_socket_dev_suspend * - pcmcia_socket_dev_resume @@ -222,8 +194,8 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) } /* try to obtain a socket number [yes, it gets ugly if we - * register more than 2^sizeof(unsigned int) pcmcia - * sockets... but the socket number is deprecated + * register more than 2^sizeof(unsigned int) pcmcia + * sockets... but the socket number is deprecated * anyways, so I don't care] */ down_write(&pcmcia_socket_list_rwsem); if (list_empty(&pcmcia_socket_list)) @@ -332,54 +304,49 @@ struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr) EXPORT_SYMBOL(pcmcia_get_socket_by_nr); -/*====================================================================== - - socket_setup() and shutdown_socket() are called by the main event - handler when card insertion and removal events are received. - socket_setup() turns on socket power and resets the socket, in two stages. - shutdown_socket() unconfigures a socket and turns off socket power. - -======================================================================*/ - +/** + * socket_setup() and shutdown_socket() are called by the main event + * handler when card insertion and removal events are received. + * socket_setup() turns on socket power and resets the socket, in two stages. + * shutdown_socket() unconfigures a socket and turns off socket power. + */ static void shutdown_socket(struct pcmcia_socket *s) { - cs_dbg(s, 1, "shutdown_socket\n"); - - /* Blank out the socket state */ - s->socket = dead_socket; - s->ops->init(s); - s->ops->set_socket(s, &s->socket); - s->irq.AssignedIRQ = s->irq.Config = 0; - s->lock_count = 0; - destroy_cis_cache(s); + cs_dbg(s, 1, "shutdown_socket\n"); + + /* Blank out the socket state */ + s->socket = dead_socket; + s->ops->init(s); + s->ops->set_socket(s, &s->socket); + s->irq.AssignedIRQ = s->irq.Config = 0; + s->lock_count = 0; + destroy_cis_cache(s); #ifdef CONFIG_CARDBUS - cb_free(s); + cb_free(s); #endif - s->functions = 0; - if (s->config) { - kfree(s->config); - s->config = NULL; - } - - { - int status; - s->ops->get_status(s, &status); - if (status & SS_POWERON) { - printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s); + s->functions = 0; + if (s->config) { + kfree(s->config); + s->config = NULL; } - } -} /* shutdown_socket */ -/*====================================================================== + { + int status; + s->ops->get_status(s, &status); + if (status & SS_POWERON) { + printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s); + } + } +} /* shutdown_socket */ - The central event handler. Send_event() sends an event to the - 16-bit subsystem, which then calls the relevant device drivers. - Parse_events() interprets the event bits from - a card status change report. Do_shutdown() handles the high - priority stuff associated with a card removal. - -======================================================================*/ +/** + * The central event handler. Send_event() sends an event to the + * 16-bit subsystem, which then calls the relevant device drivers. + * Parse_events() interprets the event bits from + * a card status change report. Do_shutdown() handles the high + * priority stuff associated with a card removal. + */ /* NOTE: send_event needs to be called with skt->sem held. */ @@ -738,27 +705,7 @@ void pcmcia_parse_events(struct pcmcia_socket *s, u_int events) wake_up(&s->thread_wait); } } /* pcmcia_parse_events */ - - -/*===================================================================== - - Return the PCI device associated with a card.. - -======================================================================*/ - -#ifdef CONFIG_CARDBUS - -struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s) -{ - if (!s || !(s->state & SOCKET_CARDBUS)) - return NULL; - - return s->cb_dev->subordinate; -} - -EXPORT_SYMBOL(pcmcia_lookup_bus); - -#endif +EXPORT_SYMBOL(pcmcia_parse_events); /* register pcmcia_callback */ @@ -790,18 +737,15 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) EXPORT_SYMBOL(pccard_register_pcmcia); -/*====================================================================== - - I'm not sure which "reset" function this is supposed to use, - but for now, it uses the low-level interface's reset, not the - CIS register. - -======================================================================*/ +/* I'm not sure which "reset" function this is supposed to use, + * but for now, it uses the low-level interface's reset, not the + * CIS register. + */ int pccard_reset_card(struct pcmcia_socket *skt) { int ret; - + cs_dbg(skt, 1, "resetting socket\n"); down(&skt->skt_sem); @@ -834,17 +778,14 @@ int pccard_reset_card(struct pcmcia_socket *skt) } /* reset_card */ EXPORT_SYMBOL(pccard_reset_card); -/*====================================================================== - - These shut down or wake up a socket. They are sort of user - initiated versions of the APM suspend and resume actions. - -======================================================================*/ +/* These shut down or wake up a socket. They are sort of user + * initiated versions of the APM suspend and resume actions. + */ int pcmcia_suspend_card(struct pcmcia_socket *skt) { int ret; - + cs_dbg(skt, 1, "suspending socket\n"); down(&skt->skt_sem); @@ -863,6 +804,8 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) return ret; } /* suspend_card */ +EXPORT_SYMBOL(pcmcia_suspend_card); + int pcmcia_resume_card(struct pcmcia_socket *skt) { @@ -886,13 +829,10 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) return ret; } /* resume_card */ +EXPORT_SYMBOL(pcmcia_resume_card); -/*====================================================================== - - These handle user requests to eject or insert a card. - -======================================================================*/ +/* These handle user requests to eject or insert a card. */ int pcmcia_eject_card(struct pcmcia_socket *skt) { int ret; @@ -919,6 +859,8 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) return ret; } /* eject_card */ +EXPORT_SYMBOL(pcmcia_eject_card); + int pcmcia_insert_card(struct pcmcia_socket *skt) { @@ -942,6 +884,8 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) return ret; } /* insert_card */ +EXPORT_SYMBOL(pcmcia_insert_card); + static int pcmcia_socket_hotplug(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size) @@ -958,20 +902,6 @@ static int pcmcia_socket_hotplug(struct class_device *dev, char **envp, return 0; } -/*====================================================================== - - OS-specific module glue goes here - -======================================================================*/ -/* in alpha order */ -EXPORT_SYMBOL(pcmcia_eject_card); -EXPORT_SYMBOL(pcmcia_insert_card); -EXPORT_SYMBOL(pcmcia_replace_cis); -EXPORT_SYMBOL(pcmcia_resume_card); -EXPORT_SYMBOL(pcmcia_suspend_card); - -EXPORT_SYMBOL(dead_socket); -EXPORT_SYMBOL(pcmcia_parse_events); struct class pcmcia_socket_class = { .name = "pcmcia_socket", @@ -983,11 +913,7 @@ EXPORT_SYMBOL(pcmcia_socket_class); static int __init init_pcmcia_cs(void) { - int ret; - printk(KERN_INFO "%s\n", release); - printk(KERN_INFO " %s\n", options); - - ret = class_register(&pcmcia_socket_class); + int ret = class_register(&pcmcia_socket_class); if (ret) return (ret); return class_interface_register(&pccard_sysfs_interface); @@ -995,13 +921,10 @@ static int __init init_pcmcia_cs(void) static void __exit exit_pcmcia_cs(void) { - printk(KERN_INFO "unloading Kernel Card Services\n"); - class_interface_unregister(&pccard_sysfs_interface); - class_unregister(&pcmcia_socket_class); + class_interface_unregister(&pccard_sysfs_interface); + class_unregister(&pcmcia_socket_class); } subsys_initcall(init_pcmcia_cs); module_exit(exit_pcmcia_cs); -/*====================================================================*/ - diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 7aa2e7f20d50..fa2a79d29e16 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -275,8 +275,16 @@ rescan: return (ret); } /* bind_request */ +#ifdef CONFIG_CARDBUS + +static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s) +{ + if (!s || !(s->state & SOCKET_CARDBUS)) + return NULL; -extern struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s); + return s->cb_dev->subordinate; +} +#endif static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first) {