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-rw-r--r--drivers/regulator/rohm-regulator.c9
-rw-r--r--include/linux/mfd/rohm-generic.h14
2 files changed, 12 insertions, 11 deletions
diff --git a/drivers/regulator/rohm-regulator.c b/drivers/regulator/rohm-regulator.c
index 399002383b28..5c558b153d55 100644
--- a/drivers/regulator/rohm-regulator.c
+++ b/drivers/regulator/rohm-regulator.c
@@ -52,9 +52,12 @@ int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
char *prop;
unsigned int reg, mask, omask, oreg = desc->enable_reg;
- for (i = 0; i < ROHM_DVS_LEVEL_MAX && !ret; i++) {
- if (dvs->level_map & (1 << i)) {
- switch (i + 1) {
+ for (i = 0; i < ROHM_DVS_LEVEL_VALID_AMOUNT && !ret; i++) {
+ int bit;
+
+ bit = BIT(i);
+ if (dvs->level_map & bit) {
+ switch (bit) {
case ROHM_DVS_LEVEL_RUN:
prop = "rohm,dvs-run-voltage";
reg = dvs->run_reg;
diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h
index 4283b5b33e04..2b85b9deb03a 100644
--- a/include/linux/mfd/rohm-generic.h
+++ b/include/linux/mfd/rohm-generic.h
@@ -20,14 +20,12 @@ struct rohm_regmap_dev {
struct regmap *regmap;
};
-enum {
- ROHM_DVS_LEVEL_UNKNOWN,
- ROHM_DVS_LEVEL_RUN,
- ROHM_DVS_LEVEL_IDLE,
- ROHM_DVS_LEVEL_SUSPEND,
- ROHM_DVS_LEVEL_LPSR,
- ROHM_DVS_LEVEL_MAX = ROHM_DVS_LEVEL_LPSR,
-};
+#define ROHM_DVS_LEVEL_RUN BIT(0)
+#define ROHM_DVS_LEVEL_IDLE BIT(1)
+#define ROHM_DVS_LEVEL_SUSPEND BIT(2)
+#define ROHM_DVS_LEVEL_LPSR BIT(3)
+#define ROHM_DVS_LEVEL_VALID_AMOUNT 4
+#define ROHM_DVS_LEVEL_UNKNOWN 0
/**
* struct rohm_dvs_config - dynamic voltage scaling register descriptions