linux-kernel - [PATCH v4 1/3] scsi: ufs: core: Add ufshcd_is_ufs_dev

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Message-Id: <20231208103940.153734-2-beanhuo@iokpp.de>
Date:   Fri,  8 Dec 2023 11:39:38 +0100
From:   Bean Huo <beanhuo@...pp.de>
To:     avri.altman@....com, bvanassche@....org, alim.akhtar@...sung.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, mani@...nel.org,
        quic_cang@...cinc.com, quic_asutoshd@...cinc.com,
        beanhuo@...ron.com, thomas@...ch.de
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        mikebi@...ron.com, lporzio@...ron.com
Subject: [PATCH v4 1/3] scsi: ufs: core: Add ufshcd_is_ufs_dev_busy()

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

Add helper inline for retrieving whether UFS device is busy or not.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
Reviewed-by: Avri Altman <avri.altman@....com>
---
 drivers/ufs/core/ufshcd.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f0b837cb0c2b..32cfcba66d60 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -235,6 +235,13 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state,
 	return UFS_PM_LVL_0;
 }
 
+static inline bool ufshcd_is_ufs_dev_busy(struct ufs_hba *hba)
+{
+	return (hba->clk_gating.active_reqs || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL ||
+		hba->outstanding_reqs || hba->outstanding_tasks || hba->active_uic_cmd ||
+		hba->uic_async_done);
+}
+
 static const struct ufs_dev_quirk ufs_fixups[] = {
 	/* UFS cards deviations table */
 	{ .wmanufacturerid = UFS_VENDOR_MICRON,
@@ -1917,10 +1924,7 @@ static void ufshcd_gate_work(struct work_struct *work)
 		goto rel_lock;
 	}
 
-	if (hba->clk_gating.active_reqs
-		|| hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL
-		|| hba->outstanding_reqs || hba->outstanding_tasks
-		|| hba->active_uic_cmd || hba->uic_async_done)
+	if (ufshcd_is_ufs_dev_busy(hba))
 		goto rel_lock;
 
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
-- 
2.34.1