Re: [PATCH 1/3 v2] usb: host: fotg2: add device tree probing

Linus Walleij
2017-02-10T13:12:40Z

On Thu, Feb 9, 2017 at 3:20 PM, Hans Ulli Kroll
<ulli.kroll@googlemail.com> wrote:

> Add device tree probe for fotg2 driver
>
> v2:
> fix in wrong MODULE_DEVICE_TABLE
>
> Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

> + /* Right now device-tree probed devices don't get dma_mask set.
> + * Since shared usb code relies on it, set it here for now.
> + * Once we have dma capability bindings this can go away.
> + */
> +
> + retval = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
> + if (retval)
> + goto fail_create_hcd;

Were you able to test this part? I saw the gemini has some DMA engine
but I never saw a driver for it. It looks like a reasonable thing to do to
my untrained DMA eye.

Yours,
Linus Walleij