[U-Boot] [PATCH v8] usb: align buffers at cacheline

Marek Vasut marex at denx.de
Tue Mar 6 09:22:18 CET 2012

Dear Puneet Saxena,

> Hi Simon,
> I do see only first warning on all the devices and rest of the warnings
> on a few mass storage device.
> My patch fixing these warnings is not accepted. Please see below link
> for further info -
> http://lists.denx.de/pipermail/u-boot/2012-March/119404.html
> IMO, these warnings spew when we expects some info e.g. device
> descriptor, manf id, prod id... from the device.
> The root cause of the issue is some race condition in H/w due to which,
> even though we receive "STD_ASS"(Async sequence status) as 0
> still transfer descriptor token is not updated.
> Thanx & Regards,
> Puneet

I'd really love to accept the patch, but I can see it exposes even worse issue, 
so I'd be really happy to fix the root cause of the problem instead of putting 
layers of hack-arounds on top of it.

Best regards,
Marek Vasut

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