# RE: \[RFC\] \[PATCH\] usb: gadget: fix dtd dma confusion

- From: Chen Peter-B29397 \<hidden\>
- Date: 2012-05-09 05:43:20 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/05/9469346
- Thread: https://ratatoskr.run/linuxppc-dev/2012/05/9469338/t.md

```text
=20
>=20
> I'm hacking here an i.MX35 not an i.MX23. So I already had a look at its
> errata sheet http://cache.freescale.com/files/dsp/doc/errata/IMX35CE.pdf
> but didn't find a similar "limitation" as you now pointed out by errata
> number 2858 for i.MX23.
>

i.mx35 and i.mx23 uses the same controller.
=20
> What about the fix for mv_udc, shouldn't they have a similar
> "limitation"? How do you explain?
> Or maybe someone from Marvell has an answer?
>
It is probably that others who use chipidea core have the same problem,
but it needs to get confirm from them. =20

>=20
> Thanks,
>  -- Christoph
```