[PATCH] ARM: omap2: fix musb usage for n8x0
sr at denx.de
Thu Jul 18 08:38:09 EDT 2013
On 07/18/2013 02:02 PM, Daniel Mack wrote:
> On 18.07.2013 11:40, Stefan Roese wrote:
>> On 07/18/2013 11:18 AM, Kishon Vijay Abraham I wrote:
>>>> I'm testing musb as OTG on beagleboard (old one, not Beagle-xm). And
>>>> using the latest kernel.org version with this patch applied I see the
>>>> following messages while booting (repeatedly):
>>>> [ 4.998168] usb usb1: bus auto-suspend, wakeup 1
>>>> [ 5.003112] musb_bus_suspend 2457: trying to suspend as b_idle while active
>>>> [ 5.010498] usb usb1: bus suspend fail, err -16
>>>> [ 5.015289] hub 1-0:1.0: hub_resume
>>>> [ 5.019073] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000
>>>> [ 5.024963] hub 1-0:1.0: hub_suspend
>>>> [ 5.028778] usb usb1: bus auto-suspend, wakeup 1
>>>> This is without a cable connected to the OTG port.
>>>> Any ideas what might be missing here?
>>> Even I observed these prints when I have dual mode enabled. When kept as gadget
>>> only mode I dint see these prints.
>> Yes. With gadget-only I don't see those messages. Thanks for the hint.
> So in which mode does your port operate then? Gadget or dual-role?
Its the original Beagleboard (revision C2), so I suppose its dual-role.
Or am I mistaken here?
> And I
> take it this does not happen with 3.10?
I just checked v3.10 as again. No, I'm not seeing these messages here.
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