[U-Boot] [PATCH 0/4] USB multi controller

Stephen Warren swarren at wwwdotorg.org
Wed Sep 5 01:05:31 CEST 2012

On 08/30/2012 10:03 AM, Lucas Stach wrote:
> Hi all,
> this is a follow up on the patch "USB: EHCI: Initialize multiple
> USB controllers at once" from Jim Lin. It takes some of the
> code but has undergone some heavy reworking.
> When we remove the ifdef horror from the above mentioned patch it's
> mostly a big interface change to the usb subsystem. As this creates
> a lot of churn I've split this up into a series. Every patch is self
> contained so it doesn't break compiles and *should* not regress
> any functionality on it's own. At least the series is bisectable in
> case anything goes wrong. I've compile tested all the ARM configs.
> Both the lowlevel usb and ehci interface change are backward
> compatible, so implementations that only use one controller can
> choose to ignore the new interface. All implementations are
> updated to work with the new function prototypes.
> For Tegra I've included a patch to actually use the new ehci
> interface. Patches are based on a Tegra tree with some relevant
> changes from u-boot-usb picked over, so they should apply to
> u-boot-usb/master.

Can you explain what this series is based on in a little more detail? I
tried applying it to Tegra's for-next today, and it wouldn't apply. I
managed to apply using plain "patch" rather then "git am", but then I
get a bunch of compile errors:-(

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