[PATCH 1/2] ARM: davinci: make the function argument as const

From: Bhumika Goyal
Date: Mon Oct 16 2017 - 06:08:44 EST


Make the function argument of the function davinci_common_init
as const as it's memory contents are only copied during a
memcpy call. So, the fields of the structure to which the argument
soc_info points to never gets modified and therefore the argument can
be made const.
Add const to the prototype too.

Signed-off-by: Bhumika Goyal <bhumirks@xxxxxxxxx>
---
arch/arm/mach-davinci/common.c | 2 +-
arch/arm/mach-davinci/include/mach/common.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index 9f9fbfa..bcb6a7b 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -77,7 +77,7 @@ static int __init davinci_init_id(struct davinci_soc_info *soc_info)
return -EINVAL;
}

-void __init davinci_common_init(struct davinci_soc_info *soc_info)
+void __init davinci_common_init(const struct davinci_soc_info *soc_info)
{
int ret;

diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 037aa66..433a008 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -79,7 +79,7 @@ struct davinci_soc_info {

extern struct davinci_soc_info davinci_soc_info;

-extern void davinci_common_init(struct davinci_soc_info *soc_info);
+extern void davinci_common_init(const struct davinci_soc_info *soc_info);
extern void davinci_init_ide(void);
void davinci_restart(enum reboot_mode mode, const char *cmd);
void davinci_init_late(void);
--
1.9.1