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

[Tom Rini]

On Sun, Sep 29, 2013 at 06:02:22PM +0100, Andrew Murray wrote:
> 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>
> Acked-by: Marek Vasut <marex at denx.de>

Applied to u-boot/master (and thanks for the reminder) !

-- 
Tom
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