From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
[ Upstream commit 60a2a86fb8277ba2b8d26cd49222e92fea36a196 ]
In few places functions do not modify pointed "struct s5p_mfc_cmd_args", thus the pointer can point to const data for additional safety and self-documenting intention of the function.
Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Stable-dep-of: 7fa37ba25a1d ("media: s5p-mfc: remove an unused/uninitialized variable") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h | 2 +- drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v5.c | 2 +- drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h index 945d12fdceb7d..172c5a63b58ea 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h @@ -19,7 +19,7 @@ struct s5p_mfc_cmd_args {
struct s5p_mfc_hw_cmds { int (*cmd_host2risc)(struct s5p_mfc_dev *dev, int cmd, - struct s5p_mfc_cmd_args *args); + const struct s5p_mfc_cmd_args *args); int (*sys_init_cmd)(struct s5p_mfc_dev *dev); int (*sleep_cmd)(struct s5p_mfc_dev *dev); int (*wakeup_cmd)(struct s5p_mfc_dev *dev); diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v5.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v5.c index 1fbf7ed5d4cca..82ee6d300c738 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v5.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v5.c @@ -14,7 +14,7 @@
/* This function is used to send a command to the MFC */ static int s5p_mfc_cmd_host2risc_v5(struct s5p_mfc_dev *dev, int cmd, - struct s5p_mfc_cmd_args *args) + const struct s5p_mfc_cmd_args *args) { int cur_cmd; unsigned long timeout; diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c index 740aa4dfae579..47bc3014b5d8b 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd_v6.c @@ -15,7 +15,7 @@ #include "s5p_mfc_cmd_v6.h"
static int s5p_mfc_cmd_host2risc_v6(struct s5p_mfc_dev *dev, int cmd, - struct s5p_mfc_cmd_args *args) + const struct s5p_mfc_cmd_args *args) { mfc_debug(2, "Issue the command: %d\n", cmd);