On Fri, Jan 17, 2014 at 06:06:29PM +0100, Florian Meier wrote: > 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 <florian.me...@koalo.de> > --- > drivers/dma/bcm2835-dma.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c > index 6ae0708..a036021 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;
Applied, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
