linux-kernel - [PATCH v2 2/3] scsi: ufs: ufshcd-pltfrm: constify pointed data

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Message-Id: <20220506103115.307410-3-krzysztof.kozlowski@linaro.org>
Date:   Fri,  6 May 2022 12:31:14 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Doug Gilbert <dgilbert@...erlog.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/3] scsi: ufs: ufshcd-pltfrm: constify pointed data

Constify pointers to data which is not modified for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/scsi/ufs/ufshcd-pltfrm.c | 10 +++++-----
 drivers/scsi/ufs/ufshcd-pltfrm.h |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index f5313f407617..3ab555f6e66e 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -26,7 +26,7 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba)
 	int i;
 	struct device *dev = hba->dev;
 	struct device_node *np = dev->of_node;
-	char *name;
+	const char *name;
 	u32 *clkfreq = NULL;
 	struct ufs_clk_info *clki;
 	int len = 0;
@@ -79,8 +79,8 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba)
 	}
 
 	for (i = 0; i < sz; i += 2) {
-		ret = of_property_read_string_index(np,
-				"clock-names", i/2, (const char **)&name);
+		ret = of_property_read_string_index(np,	"clock-names", i/2,
+						    &name);
 		if (ret)
 			goto out;
 
@@ -208,8 +208,8 @@ static void ufshcd_init_lanes_per_dir(struct ufs_hba *hba)
  *
  * Returns 0 on success, non-zero value on failure
  */
-int ufshcd_get_pwr_dev_param(struct ufs_dev_params *pltfrm_param,
-			     struct ufs_pa_layer_attr *dev_max,
+int ufshcd_get_pwr_dev_param(const struct ufs_dev_params *pltfrm_param,
+			     const struct ufs_pa_layer_attr *dev_max,
 			     struct ufs_pa_layer_attr *agreed_pwr)
 {
 	int min_pltfrm_gear;
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.h b/drivers/scsi/ufs/ufshcd-pltfrm.h
index c33e28ac6ef6..0f0c2942a5be 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.h
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.h
@@ -25,8 +25,8 @@ struct ufs_dev_params {
 	u32 desired_working_mode;
 };
 
-int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param,
-			     struct ufs_pa_layer_attr *dev_max,
+int ufshcd_get_pwr_dev_param(const struct ufs_dev_params *dev_param,
+			     const struct ufs_pa_layer_attr *dev_max,
 			     struct ufs_pa_layer_attr *agreed_pwr);
 void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param);
 int ufshcd_pltfrm_init(struct platform_device *pdev,
-- 
2.32.0