Re: [PATCH 2/2] dma: pl08x: allow zero slave channels

From: Vinod Koul
Date: Wed Dec 18 2013 - 12:27:56 EST


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@xxxxxxxxxx>

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
>

--
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