diff options
| author | Zhang Qilong <zhangqilong3@huawei.com> | 2020-11-23 17:57:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-09 16:33:45 +0300 |
| commit | d6ff32478d7e95d6ca199b5c852710d6964d5811 (patch) | |
| tree | fe1fdb0163b89f08798566dc3d3904e5068b933e /drivers/usb/host/ehci-omap.c | |
| parent | c1373f10479b624fb6dba0805d673e860f1b421d (diff) | |
| download | linux-d6ff32478d7e95d6ca199b5c852710d6964d5811.tar.xz | |
usb: ehci-omap: Fix PM disable depth umbalance in ehci_hcd_omap_probe
The pm_runtime_enable will decrement the power disable depth. Imbalance
depth will resulted in enabling runtime PM of device fails later. Thus
a pairing decrement must be needed on the error handling path to keep it
balanced.
Fixes: 6c984b066d84b ("ARM: OMAP: USBHOST: Replace usbhs core driver APIs by Runtime pm APIs")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201123145719.1455849-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-omap.c')
| -rw-r--r-- | drivers/usb/host/ehci-omap.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 8771a2ed6926..7f4a03e8647a 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -220,6 +220,7 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) err_pm_runtime: pm_runtime_put_sync(dev); + pm_runtime_disable(dev); err_phy: for (i = 0; i < omap->nports; i++) { |