evie/android_kernel_oneplus_msm8998
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mfd: ssbi: Constify buffer in ssbi_write

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In preparation for passing a const pointer directly to
ssbi_write() from the regmap APIs.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Stephen Boyd 2013-12-10 15:35:17 -08:00 • committed by Lee Jones
parent bae911a055
commit 5eec14ccf9
2 changed files with 5 additions and 5 deletions
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8
drivers/mfd/ssbi.c
View file

@ -77,7 +77,7 @@ struct ssbi {
spinlock_t lock; spinlock_t lock;
enum ssbi_controller_type controller_type; enum ssbi_controller_type controller_type;
int (*read)(struct ssbi *, u16 addr, u8 *buf, int len); int (*read)(struct ssbi *, u16 addr, u8 *buf, int len);
int (*write)(struct ssbi *, u16 addr, u8 *buf, int len); int (*write)(struct ssbi *, u16 addr, const u8 *buf, int len);
}; };
#define to_ssbi(dev) platform_get_drvdata(to_platform_device(dev)) #define to_ssbi(dev) platform_get_drvdata(to_platform_device(dev))
@ -146,7 +146,7 @@ err:
} }
static int static int
ssbi_write_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) ssbi_write_bytes(struct ssbi *ssbi, u16 addr, const u8 *buf, int len)
{ {
int ret = 0; int ret = 0;
@ -223,7 +223,7 @@ err:
} }
static int static int
ssbi_pa_write_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) ssbi_pa_write_bytes(struct ssbi *ssbi, u16 addr, const u8 *buf, int len)
{ {
u32 cmd; u32 cmd;
int ret = 0; int ret = 0;
@ -255,7 +255,7 @@ int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len)
} }
EXPORT_SYMBOL_GPL(ssbi_read); EXPORT_SYMBOL_GPL(ssbi_read);
int ssbi_write(struct device *dev, u16 addr, u8 *buf, int len) int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len)
{ {
struct ssbi *ssbi = to_ssbi(dev); struct ssbi *ssbi = to_ssbi(dev);
unsigned long flags; unsigned long flags;

2
include/linux/ssbi.h
View file

@ -17,7 +17,7 @@
#include <linux/types.h> #include <linux/types.h>
int ssbi_write(struct device *dev, u16 addr, u8 *buf, int len); int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len); int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);
#endif #endif