linux-kernel - [PATCH v2 5/5] scsi: ufshpb: Cleanup ufshpb

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Message-Id: <20220419183044.789065-6-huobean@gmail.com>
Date:   Tue, 19 Apr 2022 20:30:44 +0200
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org, daejun7.park@...sung.com,
        powen.kao@...iatek.com, peter.wang@...iatek.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 5/5] scsi: ufshpb: Cleanup ufshpb_suspend/resume

From: Bean Huo <beanhuo@...ron.com>

ufshpb_resume() is only called when the HPB state is HPB_SUSPEND, so
the check statement for "ufshpb_get_state(hpb) != HPB_PRESENT" is useless.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshpb.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index 4b15fa862beb..0e3bfd241f87 100644
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -2354,11 +2354,9 @@ void ufshpb_suspend(struct ufs_hba *hba)
 
 	shost_for_each_device(sdev, hba->host) {
 		hpb = ufshpb_get_hpb_data(sdev);
-		if (!hpb)
+		if (!hpb || ufshpb_get_state(hpb) != HPB_PRESENT)
 			continue;
 
-		if (ufshpb_get_state(hpb) != HPB_PRESENT)
-			continue;
 		ufshpb_set_state(hpb, HPB_SUSPEND);
 		ufshpb_cancel_jobs(hpb);
 	}
@@ -2371,20 +2369,15 @@ void ufshpb_resume(struct ufs_hba *hba)
 
 	shost_for_each_device(sdev, hba->host) {
 		hpb = ufshpb_get_hpb_data(sdev);
-		if (!hpb)
+		if (!hpb || ufshpb_get_state(hpb) != HPB_SUSPEND)
 			continue;
 
-		if ((ufshpb_get_state(hpb) != HPB_PRESENT) &&
-		    (ufshpb_get_state(hpb) != HPB_SUSPEND))
-			continue;
 		ufshpb_set_state(hpb, HPB_PRESENT);
 		ufshpb_kick_map_work(hpb);
 		if (hpb->is_hcm) {
-			unsigned int poll =
-				hpb->params.timeout_polling_interval_ms;
+			unsigned int poll = hpb->params.timeout_polling_interval_ms;
 
-			schedule_delayed_work(&hpb->ufshpb_read_to_work,
-				msecs_to_jiffies(poll));
+			schedule_delayed_work(&hpb->ufshpb_read_to_work, msecs_to_jiffies(poll));
 		}
 	}
 }
-- 
2.34.1