diff options
Diffstat (limited to 'drivers/iio/adc/stm32-adc-core.c')
| -rw-r--r-- | drivers/iio/adc/stm32-adc-core.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 9d1ad6e38e85..c088cb990193 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -535,20 +535,16 @@ static int stm32_adc_core_hw_start(struct device *dev) goto err_switches_dis; } - if (priv->bclk) { - ret = clk_prepare_enable(priv->bclk); - if (ret < 0) { - dev_err(dev, "bus clk enable failed\n"); - goto err_regulator_disable; - } + ret = clk_prepare_enable(priv->bclk); + if (ret < 0) { + dev_err(dev, "bus clk enable failed\n"); + goto err_regulator_disable; } - if (priv->aclk) { - ret = clk_prepare_enable(priv->aclk); - if (ret < 0) { - dev_err(dev, "adc clk enable failed\n"); - goto err_bclk_disable; - } + ret = clk_prepare_enable(priv->aclk); + if (ret < 0) { + dev_err(dev, "adc clk enable failed\n"); + goto err_bclk_disable; } writel_relaxed(priv->ccr_bak, priv->common.base + priv->cfg->regs->ccr); @@ -556,8 +552,7 @@ static int stm32_adc_core_hw_start(struct device *dev) return 0; err_bclk_disable: - if (priv->bclk) - clk_disable_unprepare(priv->bclk); + clk_disable_unprepare(priv->bclk); err_regulator_disable: regulator_disable(priv->vref); err_switches_dis: @@ -575,10 +570,8 @@ static void stm32_adc_core_hw_stop(struct device *dev) /* Backup CCR that may be lost (depends on power state to achieve) */ priv->ccr_bak = readl_relaxed(priv->common.base + priv->cfg->regs->ccr); - if (priv->aclk) - clk_disable_unprepare(priv->aclk); - if (priv->bclk) - clk_disable_unprepare(priv->bclk); + clk_disable_unprepare(priv->aclk); + clk_disable_unprepare(priv->bclk); regulator_disable(priv->vref); stm32_adc_core_switches_supply_dis(priv); regulator_disable(priv->vdda); |