linux-kernel - Re: musb: am3358: having problem with high-speed on usb1 at peripheral

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Date:	Sat, 13 Aug 2016 01:59:42 +0800
From:	ayaka <ayaka@...lik.info>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	b-liu@...com
Subject: Re: musb: am3358: having problem with high-speed on usb1 at
 peripheral



On 08/13/2016 01:44 AM, Greg KH wrote:
> On Sat, Aug 13, 2016 at 12:38:46AM +0800, ayaka wrote:
>>
>> On 08/12/2016 03:40 PM, Greg KH wrote:
>>> On Fri, Aug 12, 2016 at 10:23:15AM +0800, ayaka wrote:
>>>> Hello all:
>>>>     I recently add a support for customize am3358 board using the branch
>>>> processor-sdk-linux-03.00.00 from Ti git. But I meet a problem with musb
>>>> at the peripheral mode.
>>> Then you are going to have to get support from TI for this, nothing we
>>> can do here about random vendor kernel trees, sorry.
>>>
>>> If you can use the 4.7 tree, or better yet, the 4.8-rc tree, then we
>> I have tried the 4.8-rc1, I meet the same problem.
> What problem is that exactly?
Sorry, the USB1 can't work at high speed gadget mode and have DMA problem.
musb-hdrc musb-hdrc.0.auto: Failed to request rx1.
musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -517

>
>> I have enabled the CONFIG_OMAP_USB2, I don't find at ti's kernel.
> I don't understand, is that your hardware you are using?
>
> thanks,
>
> greg k-h