mfd: Constify WM8994 write path
Allow const buffers to be passed in without type safety issues.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 475bd50..3f5b7cc 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -97,9 +97,9 @@
EXPORT_SYMBOL_GPL(wm8994_bulk_read);
static int wm8994_write(struct wm8994 *wm8994, unsigned short reg,
- int bytes, void *src)
+ int bytes, const void *src)
{
- u16 *buf = src;
+ const u16 *buf = src;
int i;
BUG_ON(bytes % 2);
@@ -146,7 +146,7 @@
* @buf: Buffer to write from. Data must be big-endian formatted.
*/
int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg,
- int count, u16 *buf)
+ int count, const u16 *buf)
{
int ret;
@@ -583,7 +583,7 @@
}
static int wm8994_i2c_write_device(struct wm8994 *wm8994, unsigned short reg,
- int bytes, void *src)
+ int bytes, const void *src)
{
struct i2c_client *i2c = wm8994->control_data;
struct i2c_msg xfer[2];