We need to abandon this patch. Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> 于2022年4月22日周五 00:41写道: > > On Tue, Apr 12, 2022 at 10:59:52AM +0800, Surong Pang wrote: > > From: Surong Pang <surong.pang@xxxxxxxxxx> > > > > To set xhci->quirks value according to "usb3-slow-suspend" property > > > > Signed-off-by: Surong Pang <surong.pang@xxxxxxxxxx> > > --- > > drivers/usb/host/xhci-plat.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > > index 649ffd861b44..6bc456bc6468 100644 > > --- a/drivers/usb/host/xhci-plat.c > > +++ b/drivers/usb/host/xhci-plat.c > > @@ -302,6 +302,9 @@ static int xhci_plat_probe(struct platform_device *pdev) > > if (device_property_read_bool(tmpdev, "usb3-lpm-capable")) > > xhci->quirks |= XHCI_LPM_SUPPORT; > > > > + if (device_property_read_bool(tmpdev, "usb3-slow-suspend")) > > + xhci->quirks |= XHCI_SLOW_SUSPEND; > > Device properties need to be documented somewhere. >