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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-03-17 21:42:30 +0000 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-03-23 10:42:11 +0100 |
| commit | 07e73fbb2d52434e6b61019326f35040357e8efb (patch) | |
| tree | 0f5ec2578728861e79220cbc514a9c8241a32245 | |
| parent | 4277163c2a451fd8db0883cde5e55cf61a70fe85 (diff) | |
| download | linux-stable-07e73fbb2d52434e6b61019326f35040357e8efb.tar.gz linux-stable-07e73fbb2d52434e6b61019326f35040357e8efb.tar.bz2 linux-stable-07e73fbb2d52434e6b61019326f35040357e8efb.zip | |
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>
| -rw-r--r-- | drivers/mfd/wm8994-core.c | 8 | ||||
| -rw-r--r-- | include/linux/mfd/wm8994/core.h | 4 |
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 475bd50d5528..3f5b7cc85f1d 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]; diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h index cb7d3ae7da8f..f0b69cdae41c 100644 --- a/include/linux/mfd/wm8994/core.h +++ b/include/linux/mfd/wm8994/core.h @@ -59,7 +59,7 @@ struct wm8994 { int (*read_dev)(struct wm8994 *wm8994, unsigned short reg, int bytes, void *dest); int (*write_dev)(struct wm8994 *wm8994, unsigned short reg, - int bytes, void *src); + int bytes, const void *src); void *control_data; @@ -89,7 +89,7 @@ int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg, int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, int count, u16 *buf); int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, - int count, u16 *buf); + int count, const u16 *buf); /* Helper to save on boilerplate */ |