Re: [PATCH] ARM: dts: am33xx: fix DMA support for the second USB interface

Yegor Yefremov
2014-04-28T16:17:49Z

On Mon, Apr 28, 2014 at 4:25 PM, George Cherian <george.cherian@ti.com> wrote:
> On 4/28/2014 2:07 PM, yegorslists@googlemail.com wrote:
>>
>> From: Yegor Yefremov <yegorslists@googlemail.com>
>>
>> This patch creates unique DMA channels for the second USB
>> interface, otherwise the second USB interface is not usable
>> at all.
>
> MUSB_DMA_NUM_CHANNELS is 15, so if you pass any dma-names > 15 (>
> rx15/tx15),
> the dma_controller_create in musb_core.c fails and it falls back to PIO
> mode.

What's the proper fix for the DMA issue?

Yegor