linux-kernel - [PATCH v1] scsi: core: Cleanup struct ufs_saved_pwr

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Date:   Thu, 30 Mar 2023 09:29:18 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <martin.petersen@...cle.com>, <avri.altman@....com>,
        <alim.akhtar@...sung.com>, <jejb@...ux.ibm.com>,
        <bvanassche@....org>
CC:     <stanley.chu@...iatek.com>
Subject: [PATCH v1] scsi: core: Cleanup struct ufs_saved_pwr_info

The "is_valid" field of the struct ufs_saved_pwr_info is no
longer used, and this struct can be replaced by struct
ufs_pa_layer_attr, without any changes to the functionality.

Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
---
 drivers/ufs/core/ufshcd.c | 7 +++----
 include/ufs/ufshcd.h      | 7 +------
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index c32a927ac5d1..97eb28a3006d 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -1269,7 +1269,7 @@ static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
 	struct ufs_pa_layer_attr new_pwr_info;
 
 	if (scale_up) {
-		memcpy(&new_pwr_info, &hba->clk_scaling.saved_pwr_info.info,
+		memcpy(&new_pwr_info, &hba->clk_scaling.saved_pwr_info,
 		       sizeof(struct ufs_pa_layer_attr));
 	} else {
 		memcpy(&new_pwr_info, &hba->pwr_info,
@@ -1278,7 +1278,7 @@ static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
 		if (hba->pwr_info.gear_tx > hba->clk_scaling.min_gear ||
 		    hba->pwr_info.gear_rx > hba->clk_scaling.min_gear) {
 			/* save the current power mode */
-			memcpy(&hba->clk_scaling.saved_pwr_info.info,
+			memcpy(&hba->clk_scaling.saved_pwr_info,
 				&hba->pwr_info,
 				sizeof(struct ufs_pa_layer_attr));
 
@@ -8424,10 +8424,9 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
 
 	/* Initialize devfreq after UFS device is detected */
 	if (ufshcd_is_clkscaling_supported(hba)) {
-		memcpy(&hba->clk_scaling.saved_pwr_info.info,
+		memcpy(&hba->clk_scaling.saved_pwr_info,
 			&hba->pwr_info,
 			sizeof(struct ufs_pa_layer_attr));
-		hba->clk_scaling.saved_pwr_info.is_valid = true;
 		hba->clk_scaling.is_allowed = true;
 
 		ret = ufshcd_devfreq_init(hba);
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 431c3afb2ce0..2845fe7f45cd 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -394,11 +394,6 @@ struct ufs_clk_gating {
 	struct workqueue_struct *clk_gating_workq;
 };
 
-struct ufs_saved_pwr_info {
-	struct ufs_pa_layer_attr info;
-	bool is_valid;
-};
-
 /**
  * struct ufs_clk_scaling - UFS clock scaling related data
  * @active_reqs: number of requests that are pending. If this is zero when
@@ -428,7 +423,7 @@ struct ufs_clk_scaling {
 	ktime_t window_start_t;
 	ktime_t busy_start_t;
 	struct device_attribute enable_attr;
-	struct ufs_saved_pwr_info saved_pwr_info;
+	struct ufs_pa_layer_attr saved_pwr_info;
 	struct workqueue_struct *workq;
 	struct work_struct suspend_work;
 	struct work_struct resume_work;
-- 
2.18.0