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[v6,1/6] scsi: ufs: wb: Change wb_enabled condition test

Message ID 20220802080345epcms2p3c503408ed9064c87833922b8d7fca2a5@epcms2p3 (mailing list archive)
State Superseded
Headers show
Series scsi: ufs: wb: Add sysfs attribute and cleanup | expand

Commit Message

Jinyoung Choi Aug. 2, 2022, 8:03 a.m. UTC 
Changed to improve readability.
As implemented in ufshcd_wb_togle_flush(), the conditional test is
modified in the same way.

Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com>
---
 drivers/ufs/core/ufshcd.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 0dc6437e956a..b7e7c0c4eb75 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5730,10 +5730,8 @@  int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable)
 {
 	int ret;
 
-	if (!ufshcd_is_wb_allowed(hba))
-		return 0;
-
-	if (!(enable ^ hba->dev_info.wb_enabled))
+	if (!ufshcd_is_wb_allowed(hba) ||
+	    hba->dev_info.wb_enabled == enable)
 		return 0;
 
 	ret = __ufshcd_wb_toggle(hba, enable, QUERY_FLAG_IDN_WB_EN);