regulator: mpq7920: Fix Woverflow warning on conversion

Fix warning Woverflow on type conversion reported on x86.

Fixes: 6501c1f54a17 (regulator: mpq7920: add mpq7920 regulator driver)
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Link: https://lore.kernel.org/r/20200110102220.7163-1-sravanhome@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/mpq7920.c b/drivers/regulator/mpq7920.c
index c603d60..ab1b847 100644 (file)
--- a/drivers/regulator/mpq7920.c
+++ b/drivers/regulator/mpq7920.c
@@ -221,7 +221,7 @@ static int mpq7920_parse_cb(struct device_node *np,
        if (of_property_read_bool(np, "mps,buck-ovp-disable")) {
                regmap_update_bits(config->regmap,
                                MPQ7920_BUCK1_REG_B + (rdesc->id * 4),
-                               BIT(6), ~BIT(6));
+                               MPQ7920_MASK_OVP, MPQ7920_OVP_DISABLE);
        }
 
        ret = of_property_read_u8(np, "mps,buck-phase-delay", &val);

diff --git a/drivers/regulator/mpq7920.h b/drivers/regulator/mpq7920.h
index 6a93bfb..1498a1e 100644 (file)
--- a/drivers/regulator/mpq7920.h
+++ b/drivers/regulator/mpq7920.h
@@ -55,6 +55,8 @@
 #define MPQ7920_MASK_SWITCH_FREQ       0x30
 #define MPQ7920_MASK_BUCK_PHASE_DEALY  0x30
 #define MPQ7920_MASK_DVS_SLEWRATE      0xc0
+#define MPQ7920_MASK_OVP               0x40
+#define MPQ7920_OVP_DISABLE            ~(0x40)
 #define MPQ7920_DISCHARGE_ON           0x1
 
 #define MPQ7920_REGULATOR_EN_OFFSET    7