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| author | Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> | 2020-05-30 11:41:50 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-07-09 10:13:07 +0300 |
| commit | 4fdf228cdf6925af45a2066d403821e0977bfddb (patch) | |
| tree | fcbe845321ec1defb0fb0299d1bef5a35c5028e3 /drivers/usb/dwc2/platform.c | |
| parent | 65b7cf48c211ece5e2560a334eb9608e48775a8f (diff) | |
| download | linux-stable-4fdf228cdf6925af45a2066d403821e0977bfddb.tar.gz linux-stable-4fdf228cdf6925af45a2066d403821e0977bfddb.tar.bz2 linux-stable-4fdf228cdf6925af45a2066d403821e0977bfddb.zip | |
usb: dwc2: Fix shutdown callback in platform
To avoid lot of interrupts from dwc2 core, which can be asserted in
specific conditions need to disable interrupts on HW level instead of
disable IRQs on Kernel level, because of IRQ can be shared between
drivers.
Cc: stable@vger.kernel.org
Fixes: a40a00318c7fc ("usb: dwc2: add shutdown callback to platform variant")
Tested-by: Frank Mori Hess <fmh6jj@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Frank Mori Hess <fmh6jj@gmail.com>
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index c347d93eae64..cb8ddbd53718 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -342,7 +342,8 @@ static void dwc2_driver_shutdown(struct platform_device *dev) { struct dwc2_hsotg *hsotg = platform_get_drvdata(dev); - disable_irq(hsotg->irq); + dwc2_disable_global_interrupts(hsotg); + synchronize_irq(hsotg->irq); } /** |