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iio: adc: meson-saradc: remove irrelevant clock "sana"

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The "sana" clock is not used at SAR ADC module in Amlogic Meson SoC,
it is irrelevant for the SAR ADC.

Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Xingyu Chen 2017-11-07 22:10:06 +08:00 committed by Jonathan Cameron
parent 585ed27d06
commit 930df4d853
1 changed files with 0 additions and 20 deletions
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20
drivers/iio/adc/meson_saradc.c
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@ -231,7 +231,6 @@ struct meson_sar_adc_priv {
const struct meson_sar_adc_data *data;
struct clk *clkin;
struct clk *core_clk;
struct clk *sana_clk;
struct clk *adc_sel_clk;
struct clk *adc_clk;
struct clk_gate clk_gate;
@ -708,12 +707,6 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev)
goto err_core_clk;
}
ret = clk_prepare_enable(priv->sana_clk);
if (ret) {
dev_err(indio_dev->dev.parent, "failed to enable sana clk\n");
goto err_sana_clk;
}
regval = FIELD_PREP(MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, 1);
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG0,
MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, regval);
@ -741,8 +734,6 @@ err_adc_clk:
MESON_SAR_ADC_REG3_ADC_EN, 0);
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
MESON_SAR_ADC_REG11_BANDGAP_EN, 0);
clk_disable_unprepare(priv->sana_clk);
err_sana_clk:
clk_disable_unprepare(priv->core_clk);
err_core_clk:
regulator_disable(priv->vref);
@ -768,7 +759,6 @@ static int meson_sar_adc_hw_disable(struct iio_dev *indio_dev)
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
MESON_SAR_ADC_REG11_BANDGAP_EN, 0);
clk_disable_unprepare(priv->sana_clk);
clk_disable_unprepare(priv->core_clk);
regulator_disable(priv->vref);
@ -961,16 +951,6 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
return PTR_ERR(priv->core_clk);
}
priv->sana_clk = devm_clk_get(&pdev->dev, "sana");
if (IS_ERR(priv->sana_clk)) {
if (PTR_ERR(priv->sana_clk) == -ENOENT) {
priv->sana_clk = NULL;
} else {
dev_err(&pdev->dev, "failed to get sana clk\n");
return PTR_ERR(priv->sana_clk);
}
}
priv->adc_clk = devm_clk_get(&pdev->dev, "adc_clk");
if (IS_ERR(priv->adc_clk)) {
if (PTR_ERR(priv->adc_clk) == -ENOENT) {