From 0c2cc4337968f7aab91a91b8d5889982e3a3bd0d Mon Sep 17 00:00:00 2001 From: Matthias Kaehlcke Date: Mon, 9 Jul 2007 12:00:11 -0700 Subject: [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 Acked-by: "Patro, Sumant" Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/megaraid/megaraid_mbox.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/megaraid/megaraid_mbox.c') diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 7d5a4d651b0..c46685a03a9 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; } -- cgit v1.2.2