Merge branch '5.4/scsi-fixes' into 5.5/scsi-queue

[linux-2.6-microblaze.git] / drivers / scsi / ufs / ufshcd.c

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 57b2c3a..c28c144 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -88,6 +88,9 @@
 /* Interrupt aggregation default timeout, unit: 40us */
 #define INT_AGGR_DEF_TO        0x02
 
+/* default delay of autosuspend: 2000 ms */
+#define RPM_AUTOSUSPEND_DELAY_MS 2000
+
 #define ufshcd_toggle_vreg(_dev, _vreg, _on)                           \
        ({                                                              \
                int _ret;                                               \
@@ -4631,9 +4634,14 @@ static int ufshcd_change_queue_depth(struct scsi_device *sdev, int depth)
  */
 static int ufshcd_slave_configure(struct scsi_device *sdev)
 {
+       struct ufs_hba *hba = shost_priv(sdev->host);
        struct request_queue *q = sdev->request_queue;
 
        blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
+
+       if (ufshcd_is_rpm_autosuspend_allowed(hba))
+               sdev->rpm_autosuspend = 1;
+
        return 0;
 }
 
@@ -7069,6 +7077,7 @@ static struct scsi_host_template ufshcd_driver_template = {
        .track_queue_depth      = 1,
        .sdev_groups            = ufshcd_driver_groups,
        .dma_boundary           = PAGE_SIZE - 1,
+       .rpm_autosuspend_delay  = RPM_AUTOSUSPEND_DELAY_MS,
 };
 
 static int ufshcd_config_vreg_load(struct device *dev, struct ufs_vreg *vreg,
@@ -7106,6 +7115,9 @@ static inline int ufshcd_config_vreg_lpm(struct ufs_hba *hba,
 static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
                                         struct ufs_vreg *vreg)
 {
+       if (!vreg)
+               return 0;
+
        return ufshcd_config_vreg_load(hba->dev, vreg, vreg->max_uA);
 }