On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote:
> Am 09.04.19 um 08:54 schrieb Jisheng Zhang:
> > The second one: 8000 usb interrupts per second when idle.
> > This is abnormal. any idea? Is it due to the lan78xx?
>
> dwc2 in host mode enable SOF interrupts if any periodic EP ar
On Tue, Aug 29, 2017 at 05:51:38PM +0200, Greg Kroah-Hartman wrote:
> On Tue, Aug 29, 2017 at 05:34:56PM +0200, Lukas Wunner wrote:
> > On Tue, Aug 29, 2017 at 04:47:25PM +0200, Greg Kroah-Hartman wrote:
> > > On Tue, Aug 29, 2017 at 03:38:52PM +0200, Lukas Wunner wrote:
>
On Tue, Aug 29, 2017 at 04:28:53PM +0300, Mathias Nyman wrote:
> This tight check was originally done to detect pci hotplug removed
> hosts as soon as possible.
In Mason's case, the parent of the XHCI controller isn't a hotplug port,
see this lspci output:
https://www.spinics.net/lists/linux-usb/
On Tue, Aug 29, 2017 at 04:47:25PM +0200, Greg Kroah-Hartman wrote:
> On Tue, Aug 29, 2017 at 03:38:52PM +0200, Lukas Wunner wrote:
> > On Tue, Aug 29, 2017 at 04:28:53PM +0300, Mathias Nyman wrote:
> > > Then again it might be a bit too drastic to kill xhci just because
> &
On Tue, Aug 29, 2017 at 04:28:53PM +0300, Mathias Nyman wrote:
> Then again it might be a bit too drastic to kill xhci just because
> we read 0x once from a mmio xhci register. Maybe we should
> return an error a couple times before actually tearing down xhci.
>
> This tight check was orig
On Mon, Jan 02, 2017 at 02:45:00PM -0700, Chris Murphy wrote:
> On Mon, Jan 2, 2017 at 2:28 PM, Alan Stern wrote:
> > Considering that the failed boot log contains no USB messages at all,
> > and no messages referring to PCI bus :37 (the bus associated with
> > the adapter), this certainly loo
On Tue, Oct 11, 2016 at 11:18:28AM -0400, Alan Stern wrote:
> On Sat, 8 Oct 2016, Lukas Wunner wrote:
> > The PCI core already calls pm_runtime_get_sync() before invoking the
> > ->probe hook of a driver (see local_pci_probe()). Drivers need to
> > explicitly release a ru
On Thu, Oct 06, 2016 at 10:42:14AM -0400, Alan Stern wrote:
> On Wed, 5 Oct 2016, Lukas Wunner wrote:
> > On Wed, Oct 05, 2016 at 01:54:01PM -0500, Bjorn Helgaas wrote:
> > > On Wed, Oct 05, 2016 at 10:45:22AM -0400, Alan Stern wrote:
> > > > In short, Pierre'
On Wed, Oct 05, 2016 at 01:54:01PM -0500, Bjorn Helgaas wrote:
> On Wed, Oct 05, 2016 at 10:45:22AM -0400, Alan Stern wrote:
> > In short, Pierre's USB host controller doesn't send wakeup signals from
> > runtime suspend, because the firmware limits the runtime-suspend state
> > to D0 and the contr
On Tue, Jul 05, 2016 at 11:00:21AM +0800, AceLan Kao wrote:
> These are logs from my machine.
>
> *** Before plug-in the USB key
>
> u@u-XPS-13-9xxx:~$ sudo lspci - -s 00:1c.0
> 00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1) (prog-if 00
> [Normal decode])
[...]
> L
On Mon, Jul 04, 2016 at 06:04:42PM +0300, Mathias Nyman wrote:
> On 04.07.2016 17:25, Rafael J. Wysocki wrote:
> > On Mon, Jul 4, 2016 at 4:26 PM, Mathias Nyman
> > wrote:
> > > AceLan Kao can get his DELL XPS 13 laptop to hang by plugging/un-plugging
> > > a USB 3.1 key via thunderbolt port.
> >
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