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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c
index 8141a4984126..3a78dd09ac81 100644
--- 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;
         }