diff options
| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-07-09 12:00:11 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-07-14 19:10:19 -0500 |
| commit | 0c2cc4337968f7aab91a91b8d5889982e3a3bd0d (patch) | |
| tree | 96843d958292098ee5b821658e20583a1d35504b /drivers/scsi/megaraid/megaraid_mbox.c | |
| parent | 5fa0f5e47a87ceb8a3269b28fa14764b37364f63 (diff) | |
| download | lwn-0c2cc4337968f7aab91a91b8d5889982e3a3bd0d.tar.gz lwn-0c2cc4337968f7aab91a91b8d5889982e3a3bd0d.zip | |
[SCSI] megaraid_mbox: use mutex instead of semaphore
The Megaraid Mailbox driver uses a semaphore as mutex. Use the mutex API
instead of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: "Patro, Sumant" <Sumant.Patro@lsi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_mbox.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_mbox.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 7d5a4d651b03..c46685a03a9f 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -3880,7 +3880,7 @@ megaraid_sysfs_alloc_resources(adapter_t *adapter) megaraid_sysfs_free_resources(adapter); } - sema_init(&raid_dev->sysfs_sem, 1); + mutex_init(&raid_dev->sysfs_mtx); init_waitqueue_head(&raid_dev->sysfs_wait_q); @@ -3981,7 +3981,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) /* * Allow only one read at a time to go through the sysfs attributes */ - down(&raid_dev->sysfs_sem); + mutex_lock(&raid_dev->sysfs_mtx); uioc = raid_dev->sysfs_uioc; mbox64 = raid_dev->sysfs_mbox64; @@ -4057,7 +4057,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) del_timer_sync(timerp); - up(&raid_dev->sysfs_sem); + mutex_unlock(&raid_dev->sysfs_mtx); return rval; } |