linux-kernel - [PATCH 08/15] media: s5p-mfc: constify s5p_mfc_hw

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Date: Sun, 24 Dec 2023 16:44:07 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Marek Szyprowski <m.szyprowski@...sung.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Aakarsh Jain <aakarsh.jain@...sung.com>, linux-fsd@...la.coma, 
 linux-samsung-soc@...r.kernel.org, 
 Smitha T Murthy <smithatmurthy@...il.com>, 
 linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 08/15] media: s5p-mfc: constify s5p_mfc_hw_ops structures

Static "s5p_mfc_hw_ops" structures are not modified by the driver, so
they can be made const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h | 2 +-
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c | 4 ++--
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.h | 2 +-
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 4 ++--
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
index 9278ed537e9c..fa556f27fa06 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_common.h
@@ -338,7 +338,7 @@ struct s5p_mfc_dev {
 
 	struct s5p_mfc_priv_buf ctx_buf;
 	int warn_start;
-	struct s5p_mfc_hw_ops *mfc_ops;
+	const struct s5p_mfc_hw_ops *mfc_ops;
 	const struct s5p_mfc_hw_cmds *mfc_cmds;
 	const struct s5p_mfc_regs *mfc_regs;
 	enum s5p_mfc_fw_ver fw_ver;
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c
index 13a3ff55e547..2a0fb78e8e82 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c
@@ -1591,7 +1591,7 @@ static unsigned int s5p_mfc_get_crop_info_v_v5(struct s5p_mfc_ctx *ctx)
 }
 
 /* Initialize opr function pointers for MFC v5 */
-static struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
+static const struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
 	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v5,
 	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v5,
 	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v5,
@@ -1631,7 +1631,7 @@ static struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
 	.get_crop_info_v = s5p_mfc_get_crop_info_v_v5,
 };
 
-struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void)
+const struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void)
 {
 	return &s5p_mfc_ops_v5;
 }
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.h
index b53d376ead60..0b98c619676e 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.h
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.h
@@ -78,5 +78,5 @@ enum MFC_SHM_OFS {
 	FRAME_PACK_SEI_INFO	= 0x17c, /* E */
 };
 
-struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void);
+const struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void);
 #endif /* S5P_MFC_OPR_H_ */
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
index 70a62400908e..6157c5f97707 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
@@ -2484,7 +2484,7 @@ const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
 }
 
 /* Initialize opr function pointers for MFC v6 */
-static struct s5p_mfc_hw_ops s5p_mfc_ops_v6 = {
+static const struct s5p_mfc_hw_ops s5p_mfc_ops_v6 = {
 	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v6,
 	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v6,
 	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v6,
@@ -2528,7 +2528,7 @@ static struct s5p_mfc_hw_ops s5p_mfc_ops_v6 = {
 	.get_e_min_scratch_buf_size = s5p_mfc_get_e_min_scratch_buf_size,
 };
 
-struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void)
+const struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void)
 {
 	return &s5p_mfc_ops_v6;
 }
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
index e4dd03c5454c..e4b651a8d590 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
@@ -52,6 +52,6 @@
 
 #define FRAME_DELTA_DEFAULT		1
 
-struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void);
+const struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void);
 const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev);
 #endif /* S5P_MFC_OPR_V6_H_ */

-- 
2.34.1