Messages in this thread | | | Subject | Re: [PATCH] xhci: Remove CONFIG_USB_DEFAULT_PERSIST to prevent xHCI from runtime suspending | From | Mathias Nyman <> | Date | Wed, 1 Dec 2021 11:01:33 +0200 |
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On 1.12.2021 2.19, Kai-Heng Feng wrote: > On Fri, Nov 19, 2021 at 5:27 PM Kai-Heng Feng > <kai.heng.feng@canonical.com> wrote: >> >> When the xHCI is quirked with XHCI_RESET_ON_RESUME, runtime resume >> routine also resets the controller. >> >> This is bad for USB drivers without reset_resume callback, because >> there's no subsequent call of usb_dev_complete() -> >> usb_resume_complete() to force rebinding the driver to the device. For >> instance, btusb device stops working after xHCI controller is runtime >> resumed, if the controlled is quirked with XHCI_RESET_ON_RESUME. >> >> So always take XHCI_RESET_ON_RESUME into account to solve the issue. >> >> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> > > A gentle ping...
Thanks Adding to queue
-Mathias
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