summaryrefslogtreecommitdiff
path: root/drivers/ufs/core/ufshcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ufs/core/ufshcd.c')
-rw-r--r--drivers/ufs/core/ufshcd.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 99ad9b769048..5c4ef4b072c3 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8233,9 +8233,9 @@ static void ufshcd_rtc_work(struct work_struct *work)
if (!ufshcd_is_ufs_dev_busy(hba) && hba->ufshcd_state == UFSHCD_STATE_OPERATIONAL)
ufshcd_update_rtc(hba);
- if (ufshcd_is_ufs_dev_active(hba))
+ if (ufshcd_is_ufs_dev_active(hba) && hba->dev_info.rtc_update_period)
schedule_delayed_work(&hba->ufs_rtc_update_work,
- msecs_to_jiffies(UFS_RTC_UPDATE_INTERVAL_MS));
+ msecs_to_jiffies(hba->dev_info.rtc_update_period));
}
static void ufs_init_rtc(struct ufs_hba *hba, u8 *desc_buf)
@@ -8257,6 +8257,13 @@ static void ufs_init_rtc(struct ufs_hba *hba, u8 *desc_buf)
dev_info->rtc_type = UFS_RTC_RELATIVE;
dev_info->rtc_time_baseline = 0;
}
+
+ /*
+ * We ignore TIME_PERIOD defined in wPeriodicRTCUpdate because Spec does not clearly state
+ * how to calculate the specific update period for each time unit. And we disable periodic
+ * RTC update work, let user configure by sysfs node according to specific circumstance.
+ */
+ dev_info->rtc_update_period = 0;
}
static int ufs_get_device_desc(struct ufs_hba *hba)