Messages in this thread Patch in this message | | | Subject | [PATCH] I2C: *write_block* doesn't modify the data - mark as const | From | Krzysztof Halasa <> | Date | Tue, 06 Jun 2006 16:41:09 +0200 |
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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>
--- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -916,6 +916,6 @@ s32 i2c_smbus_write_word_data(struct i2c } 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; @@ -947,7 +947,7 @@ s32 i2c_smbus_read_i2c_block_data(struct } 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; --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -94,15 +94,14 @@ extern s32 i2c_smbus_write_byte_data(str extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command); extern s32 i2c_smbus_write_word_data(struct i2c_client * client, u8 command, u16 value); -extern s32 i2c_smbus_write_block_data(struct i2c_client * client, - u8 command, u8 length, - u8 *values); +extern s32 i2c_smbus_write_block_data(struct i2c_client * client, u8 command, + u8 length, 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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