mfd: Constify WM8994 regulator_init_data

The driver has no need to modify the regulator_init_data so declare it
const to allow machine code to do so.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index 54e2fef587d5..b00897a6c461 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -23,7 +23,7 @@ struct wm8994_ldo_pdata {
         int enable;
 
         const char *supply;
-        struct regulator_init_data *init_data;
+        const struct regulator_init_data *init_data;
 };
 
 #define WM8994_CONFIGURE_GPIO 0x10000