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Subject: [PATCH v6 1/6] scsi: ufs: wb: Change wb_enabled condition test
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Sender: Jinyoung CHOI <j-young.choi@samsung.com>
From:   Jinyoung CHOI <j-young.choi@samsung.com>
To:     ALIM AKHTAR <alim.akhtar@samsung.com>,
        "avri.altman@wdc.com" <avri.altman@wdc.com>,
        "bvanassche@acm.org" <bvanassche@acm.org>,
        "jejb@linux.ibm.com" <jejb@linux.ibm.com>,
        "martin.petersen@oracle.com" <martin.petersen@oracle.com>,
        "beanhuo@micron.com" <beanhuo@micron.com>,
        "adrian.hunter@intel.com" <adrian.hunter@intel.com>,
        "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "stanley.chu@mediatek.com" <stanley.chu@mediatek.com>
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Date:   Tue, 02 Aug 2022 17:03:45 +0900
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Precedence: bulk

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(-)

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);
-- 
2.25.1