Commit e8c59791 authored by Mingwei Zheng's avatar Mingwei Zheng Committed by Uwe Kleine-König
Browse files

pwm: stm32: Add check for clk_enable() 



Add check for the return value of clk_enable() to catch the potential
error.

Fixes: 19f1016e ("pwm: stm32: Fix enable count for clk in .probe()")
Signed-off-by: default avatarMingwei Zheng <zmw12306@gmail.com>
Signed-off-by: default avatarJiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://lore.kernel.org/r/20241215224752.220318-1-zmw12306@gmail.com


Signed-off-by: default avatarUwe Kleine-König <ukleinek@kernel.org>
parent 78dcad6d

drivers/pwm/pwm-stm32.c

+5 −2
Original line number Diff line number Diff line
@@ -858,8 +858,11 @@ static int stm32_pwm_probe(struct platform_device *pdev) 
	chip->ops = &stm32pwm_ops;



	/* Initialize clock refcount to number of enabled PWM channels. */

	for (i = 0; i < num_enabled; i++)

		clk_enable(priv->clk);

	for (i = 0; i < num_enabled; i++) {

		ret = clk_enable(priv->clk);

		if (ret)

			return ret;

	}



	ret = devm_pwmchip_add(dev, chip);

	if (ret < 0)