[U-Boot] [PATCH v2] usb: Prevent using reserved registers on DM36x usb

Andrew Murray amurray at embedded-bits.co.uk
Wed Oct 9 19:16:27 CEST 2013


On 30 September 2013 00:26, Marek Vasut <marex at denx.de> wrote:
> Dear Andrew Murray,
>
>> The musb driver defines and uses MUSB_CSR0_H_DIS_PING, however this
>> bit is reserved on the DM36x. Thus this patch ensures that the
>> reserved bit is not accesssed.
>>
>> It has been observed that some USB devices will fail to enumerate
>> with errors such as 'error in inquiry' without this patch.
>>
>> See http://www.ti.com/litv/pdf/sprufh9a for details.
>>
>> Cc: Marek Vasut <marex at denx.de>
>> Cc: Tom Rini <trini at ti.com>
>> Signed-off-by: Andrew Murray <amurray at embedded-bits.co.uk>
>
> Tom, can you check this and if it's OK with you, pick this by hand?
>
> For my part, I'm fine here,
>
> Acked-by: Marek Vasut <marex at denx.de>

Tom, was this version OK?

Andrew Murray


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