diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-12-14 00:16:23 +0100 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-12-18 21:58:30 +0530 |
| commit | 1080411c6bf9da8e815292ccdb22f64662a38bb2 (patch) | |
| tree | 811f66d4fd68015a01997753774843ac045fd176 /drivers | |
| parent | 0e772c672686460c5341fa2914c02c45c2b6a3f3 (diff) | |
| download | linux-stable-1080411c6bf9da8e815292ccdb22f64662a38bb2.tar.gz linux-stable-1080411c6bf9da8e815292ccdb22f64662a38bb2.tar.bz2 linux-stable-1080411c6bf9da8e815292ccdb22f64662a38bb2.zip | |
dma: pl08x: allow zero slave channels
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@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/amba-pl08x.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |