Re: [PATCH v2 4/5] USB: dwc2: Don't turn off the usbphy in suspend if wakeup is enabled

[Felipe Balbi <felipe.balbi@linux.intel.com>]

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Douglas Anderson <dianders@chromium.org> writes:

> If the 'snps,need-phy-for-wake' is set in the device tree then:
>
> - We know that we can wakeup, so call device_set_wakeup_capable().
>   The USB core will use this knowledge to enable wakeup by default.
> - We know that we should keep the PHY on during suspend if something
>   on our root hub needs remote wakeup.  This requires the patch (USB:
>   Export usb_wakeup_enabled_descendants()).  Note that we don't keep
>   the PHY on at suspend time if it's not needed because it would be a
>   power draw.
>
> If we later find some users of dwc2 that can support wakeup without
> keeping the PHY on we may want to add a way to call
> device_set_wakeup_capable() without keeping the PHY on at suspend
> time.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Signed-off-by: Chris Zhong <zyw@rock-chips.com>

checking file drivers/usb/dwc2/core.h
Hunk #1 FAILED at 861.
Hunk #2 FAILED at 1049.
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checking file drivers/usb/dwc2/platform.c
Hunk #3 FAILED at 487.
Hunk #4 succeeded at 513 (offset -9 lines).
Hunk #5 succeeded at 543 (offset -9 lines).
Hunk #6 succeeded at 556 (offset -9 lines).
1 out of 6 hunks FAILED


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balbi

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