Re: [PATCH] usb: isp1760: fix peripheral/device controller chip id

[Sudeep Holla]

Hi Laurent,

On 25/02/15 22:27, Laurent Pinchart wrote:
> Hi Sudeep,
>
> Thank you for the patch.
>
> On Tuesday 24 February 2015 17:53:42 Sudeep Holla wrote:
> > As per the ISP1761 data sheet, the DcChipID register represents
> > the hardware version number (0015h) and the chip ID (8210h) for the
> > Peripheral Controller.
> >
> > This patch fixes the chip ID value used to verify the controller.
> >
> > Cc: Felipe Balbi <balbi@xxxxxx>
> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> > ---
> >   drivers/usb/isp1760/isp1760-udc.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > Hi Laurent,
> >
> > I found that the chip ID is wrong when I tried testing OTG on vexpress
> > platforms. As per Section 10.8.2 DcChipID register in [1], it should be
> > 0x00158210.
>
> On the other hand, http://www.nxp.com/documents/data_sheet/SAF1761.pdf#120
> uses 0x00011582. It looks like we need to accept both.

Thanks for sharing this datasheet, I will update to accept both ID and
resend.

Regards,
Sudeep

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