mfd: Convert wm8350 physical I/O to regmap API

The driver still uses a custom cache implementation but the underlying
physical I/O is now done using the regmap API, saving some code and
avoiding allocating enormous scratch arrays on the stack.

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

1 files changed, 2 insertions, 7 deletions

diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 98fcc977e82..9192b6404a7 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -602,6 +602,7 @@ extern const u16 wm8352_mode2_defaults[];
 extern const u16 wm8352_mode3_defaults[];
 
 struct wm8350;
+struct regmap;
 
 struct wm8350_hwmon {
         struct platform_device *pdev;
@@ -612,13 +613,7 @@ struct wm8350 {
         struct device *dev;
 
         /* device IO */
-        union {
-                struct i2c_client *i2c_client;
-                struct spi_device *spi_device;
-        };
-        int (*read_dev)(struct wm8350 *wm8350, char reg, int size, void *dest);
-        int (*write_dev)(struct wm8350 *wm8350, char reg, int size,
-                         void *src);
+        struct regmap *regmap;
         u16 *reg_cache;
 
         struct mutex auxadc_mutex;