Instead of using regmap_update_bits() and passing the mask twice, use regmap_set_bits(). Instead of using regmap_update_bits() and passing val = 0, use regmap_clear_bits(). Suggested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx> Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Signed-off-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> --- drivers/iio/adc/sc27xx_adc.c | 41 ++++++++++++++++++++--------------------- 1 file changed, 20 insertions(+), 21 deletions(-) diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c index b4a2e057d80f..2535c2c3e60b 100644 --- a/drivers/iio/adc/sc27xx_adc.c +++ b/drivers/iio/adc/sc27xx_adc.c @@ -508,13 +508,13 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel, } } - ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL, - SC27XX_ADC_EN, SC27XX_ADC_EN); + ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL, + SC27XX_ADC_EN); if (ret) goto regulator_restore; - ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR, - SC27XX_ADC_IRQ_CLR, SC27XX_ADC_IRQ_CLR); + ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR, + SC27XX_ADC_IRQ_CLR); if (ret) goto disable_adc; @@ -537,8 +537,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel, if (ret) goto disable_adc; - ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL, - SC27XX_ADC_CHN_RUN, SC27XX_ADC_CHN_RUN); + ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL, + SC27XX_ADC_CHN_RUN); if (ret) goto disable_adc; @@ -559,8 +559,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel, value &= SC27XX_ADC_DATA_MASK; disable_adc: - regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL, - SC27XX_ADC_EN, 0); + regmap_clear_bits(data->regmap, data->base + SC27XX_ADC_CTL, + SC27XX_ADC_EN); regulator_restore: if ((data->var_data->set_volref) && (channel == 30 || channel == 31)) { ret_volref = regulator_set_voltage(data->volref, @@ -765,15 +765,14 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data) { int ret; - ret = regmap_update_bits(data->regmap, data->var_data->module_en, - SC27XX_MODULE_ADC_EN, SC27XX_MODULE_ADC_EN); + ret = regmap_set_bits(data->regmap, data->var_data->module_en, + SC27XX_MODULE_ADC_EN); if (ret) return ret; /* Enable ADC work clock and controller clock */ - ret = regmap_update_bits(data->regmap, data->var_data->clk_en, - SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, - SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN); + ret = regmap_set_bits(data->regmap, data->var_data->clk_en, + SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN); if (ret) goto disable_adc; @@ -789,11 +788,11 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data) return 0; disable_clk: - regmap_update_bits(data->regmap, data->var_data->clk_en, - SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0); + regmap_clear_bits(data->regmap, data->var_data->clk_en, + SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN); disable_adc: - regmap_update_bits(data->regmap, data->var_data->module_en, - SC27XX_MODULE_ADC_EN, 0); + regmap_clear_bits(data->regmap, data->var_data->module_en, + SC27XX_MODULE_ADC_EN); return ret; } @@ -803,11 +802,11 @@ static void sc27xx_adc_disable(void *_data) struct sc27xx_adc_data *data = _data; /* Disable ADC work clock and controller clock */ - regmap_update_bits(data->regmap, data->var_data->clk_en, - SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0); + regmap_clear_bits(data->regmap, data->var_data->clk_en, + SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN); - regmap_update_bits(data->regmap, data->var_data->module_en, - SC27XX_MODULE_ADC_EN, 0); + regmap_clear_bits(data->regmap, data->var_data->module_en, + SC27XX_MODULE_ADC_EN); } static const struct sc27xx_adc_variant_data sc2731_data = { -- 2.45.2