From: Peter Wang <peter.wang@xxxxxxxxxxxx>
Mediatek ufs driver change default auto suspend timer from 2000 ms
to 500 ms.
Signed-off-by: Peter Wang <peter.wang@xxxxxxxxxxxx>
---
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
