[PATCH v1 2/2] ufs: host: mediatek: change default auto suspend timer

[peter.wang at mediatek.com]

From: Peter Wang <peter.wang at mediatek.com>

Mediatek ufs driver change default auto suspend timer from 2000 ms
to 500 ms.

Signed-off-by: Peter Wang <peter.wang at mediatek.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 fc61790d289b..1bcf75dd13fc 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -893,6 +893,7 @@ 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);
@@ -937,6 +938,9 @@ 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 f76e80d91729..596edadfe747 100644
--- a/drivers/ufs/host/ufs-mediatek.h
+++ b/drivers/ufs/host/ufs-mediatek.h
@@ -190,6 +190,9 @@ 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
  */
-- 
2.18.0