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| author | Johan Hovold <johan@kernel.org> | 2017-07-20 12:48:17 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2017-08-21 08:11:26 +0200 |
| commit | e2b5602af76dec75f474e4173afb4215007ecfa5 (patch) | |
| tree | a6925922eef953f6d8c3062bd776ae4d65b66b9f /drivers/pwm/pwm-tiehrpwm.c | |
| parent | c7fdd3f52944b81d807ce7a5fde7d1ca8a2a0919 (diff) | |
| download | blackbird-obmc-linux-e2b5602af76dec75f474e4173afb4215007ecfa5.tar.gz blackbird-obmc-linux-e2b5602af76dec75f474e4173afb4215007ecfa5.zip | |
pwm: tiehrpwm: fix clock imbalance in probe error path
Make sure to unprepare the clock before returning on late probe errors.
Fixes: b388f15fd14c ("pwm: pwm-tiehrpwm: Use clk_enable/disable instead clk_prepare/unprepare.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-tiehrpwm.c')
| -rw-r--r-- | drivers/pwm/pwm-tiehrpwm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 6e51a075d1a7..387eaf1bac85 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -489,13 +489,18 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) ret = pwmchip_add(&pc->chip); if (ret < 0) { dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); - return ret; + goto err_clk_unprepare; } pm_runtime_enable(&pdev->dev); platform_set_drvdata(pdev, pc); return 0; + +err_clk_unprepare: + clk_unprepare(pc->tbclk); + + return ret; } static int ehrpwm_pwm_remove(struct platform_device *pdev) |
