Re: v3.11-rc1 USB regressions
From: Daniel Mack
Date: Wed Jul 24 2013 - 15:04:48 EST
On 24.07.2013 20:51, Aaro Koskinen wrote:
> On Tue, Jul 16, 2013 at 08:57:10PM +0300, Aaro Koskinen wrote:
>> Here are full details:
>> Kernel v3.11-rc1 and the following USB fixes:
>> ARM: omap2: fix musb usage for n8x0
>> musb: omap: Fix: pass all the resources to musb core
>> When I revert fe4cb0912f8e737f8e4b8b38b9e692f8062f5423 and
>> 8b125df5b24cfb0ec7fa1971e343cc0badc1827d, it works like before (3.10):
> I'm now running -rc2 with above fixes and reverts (the only way to get
> USB working). I'm seeing an additional issue, the following crash happens
> always on N900 when doing "poweroff":
Yes, with the mentioned patches reverted, musb_to_hcd() will return a
faulty pointer. You can't easily revert them unfortunately.
Your platform needs a real fix, I just have trouble understanding why a
removed usb_add_hcd() would make the gadget code fail.
Sorry for the trouble, but I don't currently have a board with musb in
gadget mode to reproduce this issue.
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