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authorStephen Boyd <sboyd@codeaurora.org>2013-12-11 03:35:17 +0400
committerLee Jones <lee.jones@linaro.org>2014-01-21 12:28:07 +0400
commit5eec14ccf90942fecd89e147e0b88ab12dd83e70 (patch)
tree616374af9fdabb3d67e2740c7554739eb5c4484f
parentbae911a055a3d88c8754e9c1879f29da6ba16663 (diff)
downloadlinux-5eec14ccf90942fecd89e147e0b88ab12dd83e70.tar.xz
mfd: ssbi: Constify buffer in ssbi_write
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>
-rw-r--r--drivers/mfd/ssbi.c8
-rw-r--r--include/linux/ssbi.h2
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c
index 435c6f7a3b72..dd1d28f343f6 100644
--- a/drivers/mfd/ssbi.c
+++ b/drivers/mfd/ssbi.c
@@ -77,7 +77,7 @@ struct ssbi {
spinlock_t lock;
enum ssbi_controller_type controller_type;
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))
@@ -146,7 +146,7 @@ err:
}
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;
@@ -223,7 +223,7 @@ err:
}
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;
int ret = 0;
@@ -255,7 +255,7 @@ int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len)
}
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);
unsigned long flags;
diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h
index a92561af60c2..bcbb642a7641 100644
--- a/include/linux/ssbi.h
+++ b/include/linux/ssbi.h
@@ -17,7 +17,7 @@
#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);
#endif