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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-03-17 21:42:30 +0000
committerSamuel Ortiz <sameo@linux.intel.com>2011-03-23 10:42:11 +0100
commit07e73fbb2d52434e6b61019326f35040357e8efb (patch)
tree0f5ec2578728861e79220cbc514a9c8241a32245 /drivers
parent4277163c2a451fd8db0883cde5e55cf61a70fe85 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mfd/wm8994-core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 475bd50d552..3f5b7cc85f1 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -97,9 +97,9 @@ int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
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 @@ EXPORT_SYMBOL_GPL(wm8994_reg_write);
* @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_read_device(struct wm8994 *wm8994, unsigned short reg,
}
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];