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usb: dwc2: Fix shutdown callback in platform 

commit 4fdf228cdf upstream.

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: a40a00318c ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Minas Harutyunyan 2020-05-30 11:41:50 +04:00 committed by Greg Kroah-Hartman
parent 4f0addeba0
commit 3dd890afed
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc2/platform.c
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@ -337,7 +337,8 @@ 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);
}
/**