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/pcmcia_ioctl.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/pcmcia/pcmcia_ioctl.c') diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 56b625d171a..8eceba73910 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -269,9 +269,9 @@ rescan: /* * Prevent this racing with a card insertion. */ - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); bus_rescan_devices(&pcmcia_bus_type); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); /* check whether the driver indeed matched. I don't care if this * is racy or not, because it can only happen on cardmgr access @@ -606,9 +606,9 @@ static int ds_ioctl(struct inode * inode, struct file * file, } break; case DS_GET_FIRST_TUPLE: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple); break; case DS_GET_NEXT_TUPLE: @@ -637,9 +637,9 @@ static int ds_ioctl(struct inode * inode, struct file * file, } break; case DS_VALIDATE_CIS: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo); break; case DS_SUSPEND_CARD: -- cgit v1.2.3