mfd: tps65090: Move register access APIs to header

Since tps65090 register is accessed via regmap, moving
the register access APIs to header and making it as inline.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 35 insertions, 4 deletions

diff --git a/include/linux/mfd/tps65090.h b/include/linux/mfd/tps65090.h
index 6c576224f637..1a5f916b7383 100644
--- a/include/linux/mfd/tps65090.h
+++ b/include/linux/mfd/tps65090.h
@@ -23,6 +23,7 @@
 #define __LINUX_MFD_TPS65090_H
 
 #include <linux/irq.h>
+#include <linux/regmap.h>
 
 struct tps65090 {
         struct device           *dev;
@@ -40,9 +41,39 @@ struct tps65090_platform_data {
  * NOTE: the functions below are not intended for use outside
  * of the TPS65090 sub-device drivers
  */
-extern int tps65090_write(struct device *dev, int reg, uint8_t val);
-extern int tps65090_read(struct device *dev, int reg, uint8_t *val);
-extern int tps65090_set_bits(struct device *dev, int reg, uint8_t bit_num);
-extern int tps65090_clr_bits(struct device *dev, int reg, uint8_t bit_num);
+static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
+{
+        struct tps65090 *tps = dev_get_drvdata(dev);
+
+        return regmap_write(tps->rmap, reg, val);
+}
+
+static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
+{
+        struct tps65090 *tps = dev_get_drvdata(dev);
+        unsigned int temp_val;
+        int ret;
+
+        ret = regmap_read(tps->rmap, reg, &temp_val);
+        if (!ret)
+                *val = temp_val;
+        return ret;
+}
+
+static inline int tps65090_set_bits(struct device *dev, int reg,
+                uint8_t bit_num)
+{
+        struct tps65090 *tps = dev_get_drvdata(dev);
+
+        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
+}
+
+static inline int tps65090_clr_bits(struct device *dev, int reg,
+                uint8_t bit_num)
+{
+        struct tps65090 *tps = dev_get_drvdata(dev);
+
+        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
+}
 
 #endif /*__LINUX_MFD_TPS65090_H */