From: Florian Meier Date: Fri, 17 Jan 2014 17:06:29 +0000 (+0100) Subject: dmaengine: Add DMA_PRIVATE to BCM2835 driver X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=7f5ae3553685d54413dda4fc3c98f46056ea716b;p=deliverable%2Flinux.git dmaengine: Add DMA_PRIVATE to BCM2835 driver Without DMA_PRIVATE the driver is not able to allocate more than one channel. Since it uses dma_get_any_slave_channel that calls private_candidate, the second allocation fails at /* some channels are already publicly allocated */ Maybe it should be fixed in the core, but at least this fixes the bug. Signed-off-by: Florian Meier Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 6ae070825f3f..a03602164e3e 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -611,6 +611,7 @@ static int bcm2835_dma_probe(struct platform_device *pdev) od->base = base; dma_cap_set(DMA_SLAVE, od->ddev.cap_mask); + dma_cap_set(DMA_PRIVATE, od->ddev.cap_mask); dma_cap_set(DMA_CYCLIC, od->ddev.cap_mask); od->ddev.device_alloc_chan_resources = bcm2835_dma_alloc_chan_resources; od->ddev.device_free_chan_resources = bcm2835_dma_free_chan_resources;