diff options
Diffstat (limited to 'drivers/pwm/pwm-sti.c')
-rw-r--r-- | drivers/pwm/pwm-sti.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c index 1508616d794c..99c70e07858d 100644 --- a/drivers/pwm/pwm-sti.c +++ b/drivers/pwm/pwm-sti.c @@ -505,7 +505,6 @@ static int sti_pwm_probe_dt(struct sti_pwm_chip *pc) if (IS_ERR(pc->prescale_high)) return PTR_ERR(pc->prescale_high); - pc->pwm_out_en = devm_regmap_field_alloc(dev, pc->regmap, reg_fields[PWM_OUT_EN]); if (IS_ERR(pc->pwm_out_en)) @@ -540,7 +539,6 @@ static int sti_pwm_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct sti_pwm_compat_data *cdata; struct sti_pwm_chip *pc; - struct resource *res; unsigned int i; int irq, ret; @@ -552,9 +550,7 @@ static int sti_pwm_probe(struct platform_device *pdev) if (!cdata) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - pc->mmio = devm_ioremap_resource(dev, res); + pc->mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->mmio)) return PTR_ERR(pc->mmio); @@ -593,38 +589,34 @@ static int sti_pwm_probe(struct platform_device *pdev) if (ret) return ret; - if (!cdata->pwm_num_devs) - goto skip_pwm; - - pc->pwm_clk = of_clk_get_by_name(dev->of_node, "pwm"); - if (IS_ERR(pc->pwm_clk)) { - dev_err(dev, "failed to get PWM clock\n"); - return PTR_ERR(pc->pwm_clk); - } + if (cdata->pwm_num_devs) { + pc->pwm_clk = of_clk_get_by_name(dev->of_node, "pwm"); + if (IS_ERR(pc->pwm_clk)) { + dev_err(dev, "failed to get PWM clock\n"); + return PTR_ERR(pc->pwm_clk); + } - ret = clk_prepare(pc->pwm_clk); - if (ret) { - dev_err(dev, "failed to prepare clock\n"); - return ret; + ret = clk_prepare(pc->pwm_clk); + if (ret) { + dev_err(dev, "failed to prepare clock\n"); + return ret; + } } -skip_pwm: - if (!cdata->cpt_num_devs) - goto skip_cpt; - - pc->cpt_clk = of_clk_get_by_name(dev->of_node, "capture"); - if (IS_ERR(pc->cpt_clk)) { - dev_err(dev, "failed to get PWM capture clock\n"); - return PTR_ERR(pc->cpt_clk); - } + if (cdata->cpt_num_devs) { + pc->cpt_clk = of_clk_get_by_name(dev->of_node, "capture"); + if (IS_ERR(pc->cpt_clk)) { + dev_err(dev, "failed to get PWM capture clock\n"); + return PTR_ERR(pc->cpt_clk); + } - ret = clk_prepare(pc->cpt_clk); - if (ret) { - dev_err(dev, "failed to prepare clock\n"); - return ret; + ret = clk_prepare(pc->cpt_clk); + if (ret) { + dev_err(dev, "failed to prepare clock\n"); + return ret; + } } -skip_cpt: pc->chip.dev = dev; pc->chip.ops = &sti_pwm_ops; pc->chip.base = -1; |