[U-Boot] [PATCH] usb: ehci: add ehci max xfer size ehci config entry

[Marek Vasut]

On 11/13/19 9:58 AM, Gilles Doffe wrote:
[...]

>>>> Some USB sticks cannot handle SIZE_MAX bytes (65535) blocks transfer,
>>>> leading to 'EHCI timed out on TD' errors.
>>>> As it is hardly predictable, this commit adds a configuration option
>>>> to easily reduce this EHCI max transfer size. The default value is 65535
>>>> which corresponds to size_t max value (SIZE_MAX).
>>>
>>> This doesn't seem like an ideal solution, as one would have to rebuild
>>> U-Boot to cope with such a device. Do you know how the Linux kernel EHCI
>>> driver deals with this problem?
>>
>> I presume this is already fixed in u-boot-usb/next by:
>> https://gitlab.denx.de/u-boot/custodians/u-boot-usb/commit/78d49f89e1dd9bdfa891389343bc3016bcaaeee4
>> https://gitlab.denx.de/u-boot/custodians/u-boot-usb/commit/b43c016256a5eb1070fbca24309e0e66590b7771
>> https://gitlab.denx.de/u-boot/custodians/u-boot-usb/commit/4bf7e8b7ad6231cf161fcf95d5c3cc6f1de9fff9
> 
> Indeed it could solve the problem.
> I was not aware of this repo, so I missed it.

It's a downstream custodian repository. The patches are now in U-Boot
master as well, so you can again forget about this repository.

> Thanks for pointing me on it. I'll give it a try.

Great, thanks. Please let me know how it went.