scsi: ufs-mediatek: enable auto suspend capability

Enable auto suspend capability in MediaTek UFS driver.

Link: https://lore.kernel.org/r/1568649411-5127-4-git-send-email-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 0f6ff33..83e28ed 100644 (file)
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -147,6 +147,9 @@ static int ufs_mtk_init(struct ufs_hba *hba)
        if (err)
                goto out_variant_clear;
 
+       /* Enable runtime autosuspend */
+       hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
+
        /*
         * ufshcd_vops_init() is invoked after
         * ufshcd_setup_clock(true) in ufshcd_hba_init() thus