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-rw-r--r--drivers/iio/adc/meson_saradc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 9c6932ffc0af..1d25c78b74d2 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -600,7 +600,7 @@ static int meson_sar_adc_clk_init(struct iio_dev *indio_dev,
init.num_parents = 1;
priv->clk_gate.reg = base + MESON_SAR_ADC_REG3;
- priv->clk_gate.bit_idx = fls(MESON_SAR_ADC_REG3_CLK_EN);
+ priv->clk_gate.bit_idx = __ffs(MESON_SAR_ADC_REG3_CLK_EN);
priv->clk_gate.hw.init = &init;
priv->adc_clk = devm_clk_register(&indio_dev->dev, &priv->clk_gate.hw);