When the variable is declared as u8, no need to perform ' & U8_MAX' as it's implied anyway. Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> --- drivers/pinctrl/pinctrl-aw9523.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/pinctrl-aw9523.c b/drivers/pinctrl/pinctrl-aw9523.c index 0f3361fa9ed88..8c615adb3d578 100644 --- a/drivers/pinctrl/pinctrl-aw9523.c +++ b/drivers/pinctrl/pinctrl-aw9523.c @@ -603,7 +603,7 @@ static int aw9523_gpio_get_multiple(struct gpio_chip *chip, mutex_lock(&awi->i2c_lock); /* Port 0 (gpio 0-7) */ - m = *mask & U8_MAX; + m = *mask; if (m) { ret = _aw9523_gpio_get_multiple(awi, 0, &state, m); if (ret) @@ -612,7 +612,7 @@ static int aw9523_gpio_get_multiple(struct gpio_chip *chip, *bits = state; /* Port 1 (gpio 8-15) */ - m = (*mask >> 8) & U8_MAX; + m = *mask >> 8; if (m) { ret = _aw9523_gpio_get_multiple(awi, AW9523_PINS_PER_PORT, &state, m); @@ -635,20 +635,20 @@ static void aw9523_gpio_set_multiple(struct gpio_chip *chip, unsigned int reg; int ret; - mask_lo = *mask & U8_MAX; - mask_hi = (*mask >> 8) & U8_MAX; + mask_lo = *mask; + mask_hi = *mask >> 8; + bits_lo = *bits; + bits_hi = *bits >> 8; + mutex_lock(&awi->i2c_lock); if (mask_hi) { reg = AW9523_REG_OUT_STATE(AW9523_PINS_PER_PORT); - bits_hi = (*bits >> 8) & U8_MAX; - ret = regmap_write_bits(awi->regmap, reg, mask_hi, bits_hi); if (ret) dev_warn(awi->dev, "Cannot write port1 out level\n"); } if (mask_lo) { reg = AW9523_REG_OUT_STATE(0); - bits_lo = *bits & U8_MAX; ret = regmap_write_bits(awi->regmap, reg, mask_lo, bits_lo); if (ret) dev_warn(awi->dev, "Cannot write port0 out level\n"); -- 2.44.0