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pwm: zx: Add missing cleanup in error path 

[ Upstream commit 269effd03f ]

zx_pwm_probe() called clk_prepare_enable() before; this must be undone
in the error path.

Fixes: 4836193c43 ("pwm: Add ZTE ZX PWM device driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Uwe Kleine-König 2020-10-13 10:13:21 +02:00 committed by Greg Kroah-Hartman
parent d4515a24a8
commit 6bf2ef4bd3
1 changed files with 1 additions and 0 deletions
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drivers/pwm/pwm-zx.c
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@ -238,6 +238,7 @@ static int zx_pwm_probe(struct platform_device *pdev)
ret = pwmchip_add(&zpc->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret);
clk_disable_unprepare(zpc->pclk);
return ret;
}