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Commit 5eec14cc authored by Stephen Boyd's avatar Stephen Boyd Committed by Lee Jones
Browse files

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: default avatarStephen Boyd <sboyd@codeaurora.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent bae911a0

drivers/mfd/ssbi.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -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 @@ ssbi_read_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) 
}

}





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 @@ ssbi_pa_read_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) 
}

}





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;

include/linux/ssbi.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -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