diff options
| author |   Xingyu Chen <xingyu.chen@amlogic.com> | 2017-11-07 22:10:06 +0800 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-12-02 11:33:53 +0000 |
| commit | 930df4d853a8493f6e203d14a944c226c64750c3 (patch) | |
| tree | b7de9e02438b317bc7ff79bcb517d51f455736c4 /drivers/iio/adc/meson_saradc.c | |
| parent | iio: accel: st_accel: remove redundant pointer pdata (diff) | |
| download | linux-dev-930df4d853a8493f6e203d14a944c226c64750c3.tar.xz linux-dev-930df4d853a8493f6e203d14a944c226c64750c3.zip | |
iio: adc: meson-saradc: remove irrelevant clock "sana"
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>
Diffstat (limited to 'drivers/iio/adc/meson_saradc.c')
| -rw-r--r-- | drivers/iio/adc/meson_saradc.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 9c6932ffc0af..f0b6502a8904 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -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) { |