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Date: Wed, 18 Dec 2013 21:58:52 +0530 From: Vinod Koul <vinod.koul@...el.com> To: Linus Walleij <linus.walleij@...aro.org> Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] dma: pl08x: allow zero slave channels On Sat, Dec 14, 2013 at 12:16:23AM +0100, Linus Walleij wrote: > It might happen that a platform wants to use its DMA engine for > memcpy only, and then we have zero slave channels to initialize, > so allow the slave initialization to return zero. > > Signed-off-by: Linus Walleij <linus.walleij@...aro.org> Applied, this one -- ~Vinod > --- > drivers/dma/amba-pl08x.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c > index ec4ee5c1fe9d..f68f1c1d560b 100644 > --- a/drivers/dma/amba-pl08x.c > +++ b/drivers/dma/amba-pl08x.c > @@ -2167,7 +2167,7 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) > /* Register slave channels */ > ret = pl08x_dma_init_virtual_channels(pl08x, &pl08x->slave, > pl08x->pd->num_slave_channels, true); > - if (ret <= 0) { > + if (ret < 0) { > dev_warn(&pl08x->adev->dev, > "%s failed to enumerate slave channels - %d\n", > __func__, ret); > -- > 1.8.3.1 > -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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