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
-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 dwc_otg driver
with incorrect scheduling of split USB transactions to downstream
ports behind
: [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 rather
than be the cause of anything)
In general
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.
The
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
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 (Raspberry Pi)
(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
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
