Hi Greg,
On Sat, Dec 15, 2018 at 08:59:45AM +0100, Greg KH wrote:
> > How do I know whether a PCI USB card I'm buying is a "discrete USB
> > controller" as per how it's used in that sentence?
>
> If the PCI card has a USB host controller on it. I think almost anyone
> you buy will be like that.
Hi,
Sorry for the late reply.
Yes, the stuffs I've been testing are USB BT, cardreader and
fingerprint firmware uploader, which are all USB 2.0 devices.
I'm happy to report that yes, that fixed the problem.
Reported-and-Tested-by: Park Ju Hyung
Can we expect this to be applied to linux-stable
On Fri, Dec 14, 2018 at 08:27:03AM +, Fabrizio Castro wrote:
> HS-USB found in RZ/G2E (a.k.a. r8a774c0) is very similar to the
> one found in R-Car E3 (a.k.a. r8a77990), as it needs to release
> the PLL reset by the UGCTRL register like R-Car E3, therefore add
> r8a774c0 support in a similar fa
On Thu, Dec 13, 2018 at 08:21:03PM +, Fabrizio Castro wrote:
> Document RZ/G2E (R8A774C0) SoC bindings.
>
> Signed-off-by: Fabrizio Castro
Reviewed-by: Simon Horman
On Sat, 15 Dec 2018, Marc MERLIN wrote:
> Hi Greg,
>
> On Sat, Dec 15, 2018 at 08:59:45AM +0100, Greg KH wrote:
> > > How do I know whether a PCI USB card I'm buying is a "discrete USB
> > > controller" as per how it's used in that sentence?
> >
> > If the PCI card has a USB host controller on i
On Sat, Dec 15, 2018 at 10:55:49AM -0500, Alan Stern wrote:
> > Does it mean that I should indeed have 2 separate USB controllers for
> > USB-2 if I know where to tap and therefore should have a 64 device limit
> > if I spread the load?
>
> EHCI is not subject to the 32-device limit of xHCI. A si
On Sat, 15 Dec 2018, Marc MERLIN wrote:
> On Sat, Dec 15, 2018 at 10:55:49AM -0500, Alan Stern wrote:
> > > Does it mean that I should indeed have 2 separate USB controllers for
> > > USB-2 if I know where to tap and therefore should have a 64 device limit
> > > if I spread the load?
> >
> > EHCI
TL;DR: can I reasonably turn off xhci support on the linux side?
https://superuser.com/questions/731751/not-enough-host-controller-resources-for-new-device-state
seems to say no
"The xchi module always ended up loaded, even if blacklisted, presumably
to handle internal hardware. Didn't investigate
On Sat, 15 Dec 2018, Marc MERLIN wrote:
> TL;DR: can I reasonably turn off xhci support on the linux side?
You can. But you shouldn't; you might want to use it in the future.
> https://superuser.com/questions/731751/not-enough-host-controller-resources-for-new-device-state
> seems to say no
> "
