From 7fe908dd11e0c947bb72baa5b001d7abe5a420d5 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 10 Jan 2006 21:20:36 +0100 Subject: [PATCH] pcmcia: use mutexes instead of semaphores Use mutexes in the PCMICA core, as they suffice for what needs to be done. Includes a bugfix from and Signed-off-by Andrew Morton. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/socket_sysfs.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/pcmcia/socket_sysfs.c') diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 5ab1cdef7c4..83c6b31133a 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -183,7 +184,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, s->resource_setup_done = 1; spin_unlock_irqrestore(&s->lock, flags); - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { @@ -192,7 +193,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return count; } @@ -322,7 +323,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz kfree(cis); if (!ret) { - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { @@ -330,7 +331,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); } -- cgit v1.2.2