[U-Boot] Regression in usb-storage in u-boot 2015.04 ???

[Hans de Goede]

Hi,

On 14-08-15 01:16, Marek Vasut wrote:
> On Monday, April 27, 2015 at 10:40:18 AM, Hans de Goede wrote:
>> Hi,
>
> Hi again!
>
>> On 27-04-15 03:09, Marek Vasut wrote:
>>> On Friday, March 27, 2015 at 09:47:25 AM, Hans de Goede wrote:
>>>> Hi,
>>>
>>> Hi!
>>>
>>> [...]
>>>
>>>>>           scanning usb for storage devices... 1 Storage Device(s) found
>>>>>
>>>>> that EHCI timeout appears to be random, it pops up maybe 20% of the
>>>>> time.
>>>>>
>>>>> tried with a few different usb sticks and couldn't reproduce it.
>>>>
>>>> Thanks that confirms that it is a musb issue, and likely one which has
>>>> been around for ages.
>>>
>>> Are there any updates on this musb issue please ?
>>
>> No, since most people who are doing usb booting are using boards with
>> a "proper" ehci usb controller I've not investigated this further.
>>
>> Also this only happens after a usb reset, the first time the storage
>> device works fine, iow this is a corner case. I agree it would be
>> nice to fix it, but -ENOTIME.
>
> CCing also Tom, since he has an MUSB device. Let's not forget about this
> bug. Are there any news please ?

So I've finally been able to make some time to retest this, and
as hoped the recent(ish) fixes to the sunxi-musb glue for fixing
the gadget code not working when changing gadget type, also fix this.

TLDR: This was a sunxi specific issue and it is fixed now.

Regards,

Hans