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>

diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 0b1b8efa864b6e96e4efeaba3f80cfa6b2d0766a..72a7b3a7cc001a4f39a91eee4ae4dd9b606991b5 100644 (file)
--- 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 d0673f1021ecedd6d827522cf3a4e6eabe9516ab..fb53882f42ca888c16192e9f91374ae57bbd0069 100644 (file)
--- 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
  */