Messages in this thread | | | Date | Mon, 2 Jan 2017 21:13:28 +0200 | From | Aaro Koskinen <> | Subject | Re: [PATCH] dmaengine: omap-dma: Fix dynamic lch_map alocation |
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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.
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