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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: "James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Doug Gilbert <dgilbert@interlog.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH 3/4] scsi: ufs: ufshcd-pltfrm: constify pointed data
Date: Fri,  8 Apr 2022 12:30:26 +0200	[thread overview]
Message-ID: <20220408103027.311624-3-krzysztof.kozlowski@linaro.org> (raw)
In-Reply-To: <20220408103027.311624-1-krzysztof.kozlowski@linaro.org>

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.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 87975d1a21c8..3548897c3692 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -25,7 +25,7 @@ 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;
@@ -78,8 +78,8 @@ 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;
 
@@ -207,8 +207,8 @@ 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


  parent reply	other threads:[~2022-04-08 10:30 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-08 10:30 [PATCH 1/4] scsi: core: constify pointer to scsi_host_template Krzysztof Kozlowski
2022-04-08 10:30 ` [PATCH 2/4] scsi: core: fix white-spaces Krzysztof Kozlowski
2022-05-04  8:47   ` Krzysztof Kozlowski
2022-04-08 10:30 ` Krzysztof Kozlowski [this message]
2022-04-08 10:30 ` [PATCH 4/4] scsi: ufs: ufshcd: constify pointed data Krzysztof Kozlowski
2022-04-08 14:35   ` Bart Van Assche
2022-04-08 12:14 ` [PATCH 1/4] scsi: core: constify pointer to scsi_host_template John Garry
2022-04-08 12:32   ` Krzysztof Kozlowski
2022-04-08 12:57     ` John Garry
2022-04-08 19:31       ` Ewan D. Milne
2022-04-12  7:57         ` John Garry
2022-04-20  7:03           ` Christoph Hellwig
2022-04-25  8:58             ` John Garry
2022-04-25  9:22               ` Krzysztof Kozlowski
2022-04-25 13:04                 ` John Garry
2022-04-26  1:16                   ` Bart Van Assche
2022-04-26  1:54                     ` Douglas Gilbert
2022-04-26  4:13                       ` Bart Van Assche
2022-04-27  1:47                         ` Douglas Gilbert
2022-05-06 16:42                   ` Krzysztof Kozlowski
2022-05-09 11:28                     ` John Garry
2022-05-09 13:20                       ` Krzysztof Kozlowski
2022-05-09 14:50                         ` John Garry
2022-05-11  8:31                           ` Christoph Hellwig

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