Hi, Baolin Wang <baolin.w...@linaro.org> writes: > Now some usb controllers (such as dwc3 controller) need 'XHCI_SLOW_SUSPEND' > quirk when suspending the xhci, thus we need to add 'usb3_slow_suspend' member > in xhci platform data to support this. > > Signed-off-by: Baolin Wang <baolin.w...@linaro.org> > --- > drivers/usb/host/xhci-plat.c | 3 +++ > include/linux/usb/xhci_pdriver.h | 3 +++ > 2 files changed, 6 insertions(+) > > diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > index e2e2487..162f17c 100644 > --- a/drivers/usb/host/xhci-plat.c > +++ b/drivers/usb/host/xhci-plat.c > @@ -250,6 +250,9 @@ static int xhci_plat_probe(struct platform_device *pdev) > (pdata && pdata->usb3_lpm_capable)) > xhci->quirks |= XHCI_LPM_SUPPORT; > > + if (pdata && pdata->usb3_slow_suspend) > + xhci->quirks |= XHCI_SLOW_SUSPEND;
I remember having a discussion about this with Paul Z and it turned out that we really didn't need SLOW_SUSPEND. Can you describe further in what situation you need this quirk? -- balbi
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