APPLIED: [PATCH] [Natty SRU - both master and ti-omap4] Fix usb on omap hw when gcc 4.6 is used
Tim Gardner
tim.gardner at canonical.com
Wed Jun 22 13:31:16 UTC 2011
On 06/22/2011 07:17 AM, Paolo Pisati wrote:
> SRU Justification:
>
> Impact: when compiled with gcc 4.6, we loose usb on every omap* hw.
> Fix: see attached patch.
> Testcase: compile an omap[4] kernel with gcc 4.6 and boot it, you will
> notice there are no usb devices present.
>
> beagle xm, natty kernel and gcc 4.6:
>
> flag at ubuntu:~$ lsusb
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>
> versus
>
> beagle xm, natty kernel and gcc 4.6 + ehci fix:
>
> flag at ubuntu:~$ lsusb
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
> Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
> Bus 001 Device 004: ID 03f0:5307 Hewlett-Packard
>
> BugLink: http://launchpad.net/bug/791552
>
> upstream commit 139540170d9d9b7ead3caaf540f161756b356d56
>
>
--
Tim Gardner tim.gardner at canonical.com
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