From 332973850054aaf540f9e02a6f037fac449cdeae Mon Sep 17 00:00:00 2001
From: Peter Wang <peter.wang@mediatek.com>
Date: Tue, 9 Jan 2024 20:40:15 +0800
Subject: [PATCH] scsi: ufs: ufs-mediatek: Change default autosuspend timer
Change default autosuspend timer from 2000 ms to 500 ms for the MediaTek
driver.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240109124015.31359-3-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/host/ufs-mediatek.c | 4 ++++
drivers/ufs/host/ufs-mediatek.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 0b1b8efa864b6..72a7b3a7cc001 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -921,6 +921,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)
const struct of_device_id *id;
struct device *dev = hba->dev;
struct ufs_mtk_host *host;
+ struct Scsi_Host *shost = hba->host;
int err = 0;
host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
@@ -965,6 +966,9 @@ static int ufs_mtk_init(struct ufs_hba *hba)
/* Enable clk scaling*/
hba->caps |= UFSHCD_CAP_CLK_SCALING;
+ /* Set runtime pm delay to replace default */
+ shost->rpm_autosuspend_delay = MTK_RPM_AUTOSUSPEND_DELAY_MS;
+
hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_INTR;
hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC;
diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h
index d0673f1021ece..fb53882f42ca8 100644
--- a/drivers/ufs/host/ufs-mediatek.h
+++ b/drivers/ufs/host/ufs-mediatek.h
@@ -188,6 +188,9 @@ struct ufs_mtk_host {
struct ufs_mtk_mcq_intr_info mcq_intr_info[UFSHCD_MAX_Q_NR];
};
+/* MTK delay of autosuspend: 500 ms */
+#define MTK_RPM_AUTOSUSPEND_DELAY_MS 500
+
/*
* Multi-VCC by Numbering
*/
--
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