diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2023-04-04 10:25:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 11:18:06 +0300 |
| commit | 9a8ad10c9f2e0925ff26308ec6756b93fc2f4977 (patch) | |
| tree | 3b1c3cdb6d5e0105a65ac23d94a332c47eb532cf /drivers/usb | |
| parent | 21d018b75f4f1c183be565d302fde7a01ae79fb0 (diff) | |
| download | linux-9a8ad10c9f2e0925ff26308ec6756b93fc2f4977.tar.xz | |
USB: dwc3: fix runtime pm imbalance on probe errors
Make sure not to suspend the device when probe fails to avoid disabling
clocks and phys multiple times.
Fixes: 328082376aea ("usb: dwc3: fix runtime PM in error path")
Cc: stable@vger.kernel.org # 4.8
Cc: Roger Quadros <rogerq@ti.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-2-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ed0ab90d3fac..d2350a87450e 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1895,13 +1895,11 @@ static int dwc3_probe(struct platform_device *pdev) spin_lock_init(&dwc->lock); mutex_init(&dwc->mutex); + pm_runtime_get_noresume(dev); pm_runtime_set_active(dev); pm_runtime_use_autosuspend(dev); pm_runtime_set_autosuspend_delay(dev, DWC3_DEFAULT_AUTOSUSPEND_DELAY); pm_runtime_enable(dev); - ret = pm_runtime_get_sync(dev); - if (ret < 0) - goto err1; pm_runtime_forbid(dev); @@ -1966,12 +1964,10 @@ err3: dwc3_free_event_buffers(dwc); err2: - pm_runtime_allow(&pdev->dev); - -err1: - pm_runtime_put_sync(&pdev->dev); - pm_runtime_disable(&pdev->dev); - + pm_runtime_allow(dev); + pm_runtime_disable(dev); + pm_runtime_set_suspended(dev); + pm_runtime_put_noidle(dev); disable_clks: dwc3_clk_disable(dwc); assert_reset: |