[U-Boot] [PATCH] usb: fix usb start problem with SMSC USB hub and Toshiba USB stick

Anatolij Gustschin agust at denx.de
Fri Oct 29 16:23:39 CEST 2010


Hi,

On Fri, 29 Oct 2010 15:57:54 +0200
Remy Bohmer <linux at bohmer.net> wrote:
...
> > in cases where only transaction error was reported (STALLED bit
> > not set) the recovery from the error case didn't succeed and
> > "Device NOT ready" (Request Sense returned 06 28 00) status was
> > finally reported. I didn't find the information in the EHCI spec
> > how the recovery from the XactErr should be done properly. Do
> > you know how to handle it?
> >
> >> There are a lot more reasons, at least on other host controllers that
> >> set the status USB_ST_CRC_ERR, does this change not break the other
> >> code? (A simple grep will show you the situations where it is
> >> returned.)
> >
> > This change will probably break other code. I'll drop it here and
> > additionally set USB_ST_STALLED flag in the ehci driver instead.
> 
> OK. I will ignore this version of this patch. I assume you will post a
> new revision of this patch?

Yes, my intention is to post v2 patch.

Thanks,
Anatolij


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