[PATCH v4 03/10] scsi: ufs: core: Introduce ufshcd_post_device_init()

[Bart Van Assche <bvanassche@acm.org>]

Prepare for introducing a second caller by moving more code from
ufshcd_device_init() into a new function.

Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/ufs/core/ufshcd.c | 63 ++++++++++++++++++++++-----------------
 1 file changed, 36 insertions(+), 27 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 4cfa8dd5500a..916da4c054be 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8731,6 +8731,41 @@ static int ufshcd_activate_link(struct ufs_hba *hba)
 	return 0;
 }
 
+static int ufshcd_post_device_init(struct ufs_hba *hba)
+{
+	int ret;
+
+	ufshcd_tune_unipro_params(hba);
+
+	/* UFS device is also active now */
+	ufshcd_set_ufs_dev_active(hba);
+	ufshcd_force_reset_auto_bkops(hba);
+
+	ufshcd_set_timestamp_attr(hba);
+	schedule_delayed_work(&hba->ufs_rtc_update_work,
+			      msecs_to_jiffies(UFS_RTC_UPDATE_INTERVAL_MS));
+
+	if (!hba->max_pwr_info.is_valid)
+		return 0;
+
+	/*
+	 * Set the right value to bRefClkFreq before attempting to
+	 * switch to HS gears.
+	 */
+	if (hba->dev_ref_clk_freq != REF_CLK_FREQ_INVAL)
+		ufshcd_set_dev_ref_clk(hba);
+	/* Gear up to HS gear. */
+	ret = ufshcd_config_pwr_mode(hba, &hba->max_pwr_info.info);
+	if (ret) {
+		dev_err(hba->dev,
+			"%s: Failed setting power mode, err = %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params)
 {
 	struct Scsi_Host *host = hba->host;
@@ -8789,33 +8824,7 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params)
 		}
 	}
 
-	ufshcd_tune_unipro_params(hba);
-
-	/* UFS device is also active now */
-	ufshcd_set_ufs_dev_active(hba);
-	ufshcd_force_reset_auto_bkops(hba);
-
-	ufshcd_set_timestamp_attr(hba);
-	schedule_delayed_work(&hba->ufs_rtc_update_work,
-			      msecs_to_jiffies(UFS_RTC_UPDATE_INTERVAL_MS));
-
-	/* Gear up to HS gear if supported */
-	if (hba->max_pwr_info.is_valid) {
-		/*
-		 * Set the right value to bRefClkFreq before attempting to
-		 * switch to HS gears.
-		 */
-		if (hba->dev_ref_clk_freq != REF_CLK_FREQ_INVAL)
-			ufshcd_set_dev_ref_clk(hba);
-		ret = ufshcd_config_pwr_mode(hba, &hba->max_pwr_info.info);
-		if (ret) {
-			dev_err(hba->dev, "%s: Failed setting power mode, err = %d\n",
-					__func__, ret);
-			return ret;
-		}
-	}
-
-	return 0;
+	return ufshcd_post_device_init(hba);
 }
 
 /**