pwm: vt8500: Undo preparation of a clock source.

Undo preparation of a clock source if vt8500_pwm_probe() is not
successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c
index 8141a498412645ac183d50e808e392b49041a0d6..3a78dd09ac81bb719e9179f4198c066d6e9a54fe 100644 (file)
--- a/drivers/pwm/pwm-vt8500.c
+++ b/drivers/pwm/pwm-vt8500.c
@@ -241,6 +241,7 @@ static int vt8500_pwm_probe(struct platform_device *pdev)
        ret = pwmchip_add(&chip->chip);
        if (ret < 0) {
                dev_err(&pdev->dev, "failed to add PWM chip\n");
+               clk_unprepare(chip->clk);
                return ret;
        }