power: supply: ltc4162l: Use GENMASK macro in bitmask operation

Replace the bitmask operation BIT(6) - 1 with GENMASK(5, 0) to make the
code clearer and readable.

Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Link: https://lore.kernel.org/r/20250117024307.4119-1-kimseer.paller@analog.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/ltc4162-l-charger.c b/drivers/power/supply/ltc4162-l-charger.c
index 24b62f0000cd670bc7ee530d868a6166f0a41989..23eb426295dbbb4ffd3f69dbe47f51df5136497b 100644 (file)
--- a/drivers/power/supply/ltc4162-l-charger.c
+++ b/drivers/power/supply/ltc4162-l-charger.c
@@ -410,7 +410,7 @@ static int ltc4162l_get_icharge(struct ltc4162l_info *info,
        if (ret)
                return ret;
 
-       regval &= BIT(6) - 1; /* Only the lower 5 bits */
+       regval &= GENMASK(5, 0);
 
        /* The charge current servo level: (icharge_dac + 1) × 1mV/RSNSB */
        ++regval;
@@ -449,7 +449,7 @@ static int ltc4162l_get_vcharge(struct ltc4162l_info *info,
        if (ret)
                return ret;
 
-       regval &= BIT(6) - 1; /* Only the lower 5 bits */
+       regval &= GENMASK(5, 0);
 
        /*
         * charge voltage setting can be computed from
@@ -500,7 +500,7 @@ static int ltc4015_get_vcharge(struct ltc4162l_info *info,
        if (ret)
                return ret;
 
-       regval &= BIT(6) - 1; /* Only the lower 5 bits */
+       regval &= GENMASK(5, 0);
 
        /*
         * charge voltage setting can be computed from:
@@ -636,7 +636,7 @@ static int ltc4162l_get_iin_limit_dac(struct ltc4162l_info *info,
        if (ret)
                return ret;
 
-       regval &= BIT(6) - 1; /* Only 6 bits */
+       regval &= GENMASK(5, 0);
 
        /* (iin_limit_dac + 1) × 500μV / RSNSI */
        ++regval;