From 24680defdb55e073c5e43d14318a164b842d8ce7 Mon Sep 17 00:00:00 2001 From: Christof Schmitt Date: Tue, 18 Aug 2009 15:43:28 +0200 Subject: [SCSI] zfcp: Replace config semaphore with mutex The config semaphore is only used as a mutex, so replace it with a simple mutex. Reviewed-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_ccw.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers/s390/scsi/zfcp_ccw.c') diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 82ae6ed7ef8..0c90f8e7160 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -21,12 +21,12 @@ static int zfcp_ccw_suspend(struct ccw_device *cdev) if (!adapter) return 0; - down(&zfcp_data.config_sema); + mutex_lock(&zfcp_data.config_mutex); zfcp_erp_adapter_shutdown(adapter, 0, "ccsusp1", NULL); zfcp_erp_wait(adapter); - up(&zfcp_data.config_sema); + mutex_unlock(&zfcp_data.config_mutex); return 0; } @@ -98,7 +98,7 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device) ccw_device_set_offline(ccw_device); - down(&zfcp_data.config_sema); + mutex_lock(&zfcp_data.config_mutex); adapter = dev_get_drvdata(&ccw_device->dev); if (!adapter) goto out; @@ -128,7 +128,7 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device) zfcp_adapter_dequeue(adapter); out: - up(&zfcp_data.config_sema); + mutex_unlock(&zfcp_data.config_mutex); } /** @@ -149,7 +149,7 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) struct zfcp_adapter *adapter; int ret = 0; - down(&zfcp_data.config_sema); + mutex_lock(&zfcp_data.config_mutex); adapter = dev_get_drvdata(&ccw_device->dev); if (!adapter) { @@ -173,7 +173,7 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device) "ccsonl2", NULL); zfcp_erp_wait(adapter); out: - up(&zfcp_data.config_sema); + mutex_unlock(&zfcp_data.config_mutex); if (!ret) flush_work(&adapter->scan_work); return ret; @@ -190,14 +190,14 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device) { struct zfcp_adapter *adapter; - down(&zfcp_data.config_sema); + mutex_lock(&zfcp_data.config_mutex); adapter = dev_get_drvdata(&ccw_device->dev); if (!adapter) goto out; zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL); zfcp_erp_wait(adapter); - up(&zfcp_data.config_sema); + mutex_unlock(&zfcp_data.config_mutex); out: return 0; } @@ -251,12 +251,12 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev) { struct zfcp_adapter *adapter; - down(&zfcp_data.config_sema); + mutex_lock(&zfcp_data.config_mutex); adapter = dev_get_drvdata(&cdev->dev); zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL); zfcp_erp_wait(adapter); zfcp_erp_thread_kill(adapter); - up(&zfcp_data.config_sema); + mutex_unlock(&zfcp_data.config_mutex); } static struct ccw_driver zfcp_ccw_driver = { -- cgit v1.2.3-70-g09d2