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pwm: sti: Avoid conditional gotos

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Using gotos for conditional code complicates this code significantly.
Convert the code to simple conditional blocks to increase readability.

Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Thierry Reding 2020-11-11 19:24:29 +01:00
parent 97960addcd
commit fd3ae02bb6
1 changed files with 23 additions and 27 deletions
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50
drivers/pwm/pwm-sti.c
View file

@ -590,38 +590,34 @@ static int sti_pwm_probe(struct platform_device *pdev)
if (ret)
return ret;
if (!cdata->pwm_num_devs)
goto skip_pwm;
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);
}
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;
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;
}
}
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);
}
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;