Re: [PATCH v2] panfrost: Properly undo pm_runtime_enable when deferring a probe

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On 2019-10-23 1:21 pm, Tomeu Vizoso wrote:
When deferring the probe because of a missing regulator, we were calling
pm_runtime_disable even if pm_runtime_enable wasn't called.

Move the call to pm_runtime_disable to the right place.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
Reported-by: Chen-Yu Tsai <wens@xxxxxxxx>
Cc: Robin Murphy <robin.murphy@xxxxxxx>
Fixes: f4a3c6a44b35 ("drm/panfrost: Disable PM on probe failure")

I think that commit was right at the time, but actually we missed reordering the cleanup path to match the change in 635430797d3f. Otherwise, though,

Reviewed-by: Robin Murphy <robin.murphy@xxxxxxx>

---
  drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index bc2ddeb55f5d..f21bc8a7ee3a 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -556,11 +556,11 @@ static int panfrost_probe(struct platform_device *pdev)
  	return 0;
err_out2:
+	pm_runtime_disable(pfdev->dev);
  	panfrost_devfreq_fini(pfdev);
  err_out1:
  	panfrost_device_fini(pfdev);
  err_out0:
-	pm_runtime_disable(pfdev->dev);
  	drm_dev_put(ddev);
  	return err;
  }

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