Re: [PATCH] dmaengine: omap-dma: Fix dynamic lch_map alocation

Aaro Koskinen
2017-01-02T19:13:34Z

Hi,

On Mon, Jan 02, 2017 at 12:07:37PM +0200, Peter Ujfalusi wrote:
> The original patch did not done what it was supposed to be doing and even
> worst it broke legacy boot (OMAP1).
>
> The lch_map size should be the number of available logical channels in sDMA
> and the od->dma_requests should store the number of available DMA request
> lines usable in sDMA.
>
> In legacy mode we do not have a way to get the DMA request count, in that
> case we use OMAP_SDMA_REQUESTS (127), despite the fact that OMAP1510 have
> only 31 DMA request line.
>
> Fixes: 2d1a9a946fae ("dmaengine: omap-dma: Dynamically allocate memory for lch_map")
> Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> Cc: stable@vger.kernel.org # v4.9
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>

Thanks,

A.