dead.org
> Subject: Re: [PATCH] staging: dwc2: set up all module params
>
> This looks like it is the same problem we saw in the dwc_otg driver
> with incorrect scheduling of split USB transactions to downstream
> ports behind single TT hubs (this just makes the problem worse rathe
> To: Stephen Warren
> > Cc: Paul Zimmerman; Greg Kroah-Hartman; de...@driverdev.osuosl.org;
> > linux-rpi-
> > ker...@lists.infradead.org
> > Subject: Re: [PATCH] staging: dwc2: set up all module params
> >
> > This looks like it is the same problem we saw in the d
On 27.11.2013, at 07:47, Gordon Hollingworth wrote:
> In general it should be possible to schedule multiple split
> transactions to a TT but they _must_ be completed on time or the hub
> will drop the transactions on the floor... Unfortunately because of
> the interrupt latency issues it cannot be
This looks like it is the same problem we saw in the dwc_otg driver
with incorrect scheduling of split USB transactions to downstream
ports behind single TT hubs (this just makes the problem worse rather
than be the cause of anything)
In general it should be possible to schedule multiple split
tra
(trimming out the devicetree list and maintainers for this discussion)
On 11/26/2013 12:52 PM, Paul Zimmerman wrote:
>> From: Stephen Warren [mailto:swar...@wwwdotorg.org]
>> Sent: Tuesday, November 26, 2013 11:43 AM
>>
>> On 11/26/2013 12:27 PM, Paul Zimmerman wrote:
From: Stephen Warren [ma
> From: Stephen Warren [mailto:swar...@wwwdotorg.org]
> Sent: Tuesday, November 26, 2013 11:43 AM
>
> On 11/26/2013 12:27 PM, Paul Zimmerman wrote:
> >> From: Stephen Warren [mailto:swar...@wwwdotorg.org]
> >> Sent: Monday, November 25, 2013 9:03 PM
> >>
> >> The DWC2 USB controller in the BCM2835
On 11/26/2013 12:27 PM, Paul Zimmerman wrote:
>> From: Stephen Warren [mailto:swar...@wwwdotorg.org]
>> Sent: Monday, November 25, 2013 9:03 PM
>>
>> The DWC2 USB controller in the BCM2835 (Raspberry Pi) needs some non-
>> default parameters. Select these based on the compatible value from the
>> D
> From: Stephen Warren [mailto:swar...@wwwdotorg.org]
> Sent: Monday, November 25, 2013 9:03 PM
>
> The DWC2 USB controller in the BCM2835 (Raspberry Pi) needs some non-
> default parameters. Select these based on the compatible value from the
> DT node. For all other HW, fall back to the default
On Mon, Nov 25, 2013 at 10:02:30PM -0700, Stephen Warren wrote:
> The DWC2 USB controller in the BCM2835 (Raspberry Pi) needs some non-
> default parameters. Select these based on the compatible value from the
> DT node. For all other HW, fall back to the default parameters currently
> in use.
>
>