[PATCH] i2c: Mark block write buffers as const
The attached patch marks i2c_smbus_write_block_data() and
i2c_smbus_write_i2c_block_data() buffers as const.
Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 45e2cdf..a45155f 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -916,7 +916,7 @@
}
s32 i2c_smbus_write_block_data(struct i2c_client *client, u8 command,
- u8 length, u8 *values)
+ u8 length, const u8 *values)
{
union i2c_smbus_data data;
@@ -944,7 +944,7 @@
}
s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, u8 command,
- u8 length, u8 *values)
+ u8 length, const u8 *values)
{
union i2c_smbus_data data;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 0510430..526ddc8 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -97,13 +97,13 @@
u8 command, u16 value);
extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/* Returns the number of read bytes */
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
u8 command, u8 *values);
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/*
* A driver is capable of handling one or more physical devices present on
