diff options
author | Arjan van de Ven <arjan@infradead.org> | 2006-01-13 14:52:55 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-02-01 01:23:40 (GMT) |
commit | ab3c81ff639fbee4ab32af84c809d283b773084a (patch) | |
tree | 6981ca653daa753d2a6d0bbebd4a62b1755d91ef /drivers/usb/atm/cxacru.c | |
parent | a3673d3cd1cdeec6b503ffa418ca2d5aeff82fd7 (diff) | |
download | linux-ab3c81ff639fbee4ab32af84c809d283b773084a.tar.xz |
[PATCH] USBATM: semaphore to mutex conversion
This is the usbatm part of the Arjan, Jes and Ingo
mass semaphore to mutex conversion, reworked to apply on top
of the patches I just sent to you. This time, with correct
attribution and signed-off lines.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/atm/cxacru.c')
-rw-r--r-- | drivers/usb/atm/cxacru.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 70a96e9..04631dc 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -36,6 +36,7 @@ #include <linux/init.h> #include <linux/device.h> /* FIXME: linux/firmware.h should include it itself */ #include <linux/firmware.h> +#include <linux/mutex.h> #include "usbatm.h" @@ -160,7 +161,7 @@ struct cxacru_data { struct work_struct poll_work; /* contol handles */ - struct semaphore cm_serialize; + struct mutex cm_serialize; u8 *rcv_buf; u8 *snd_buf; struct urb *rcv_urb; @@ -219,7 +220,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, goto fail; } - down(&instance->cm_serialize); + mutex_lock(&instance->cm_serialize); /* submit reading urb before the writing one */ init_completion(&instance->rcv_done); @@ -288,7 +289,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, ret = offd; dbg("cm %#x", cm); fail: - up(&instance->cm_serialize); + mutex_unlock(&instance->cm_serialize); return ret; } @@ -717,7 +718,7 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, instance->snd_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->snd_done, 4); - init_MUTEX(&instance->cm_serialize); + mutex_init(&instance->cm_serialize); INIT_WORK(&instance->poll_work, (void *)cxacru_poll_status, instance); |