diff options
| -rw-r--r-- | arch/arm/plat-pxa/ssp.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c index c83f27b..3ea0290 100644 --- a/arch/arm/plat-pxa/ssp.c +++ b/arch/arm/plat-pxa/ssp.c @@ -132,6 +132,7 @@ static int pxa_ssp_probe(struct platform_device *pdev) if (dev->of_node) { struct of_phandle_args dma_spec; struct device_node *np = dev->of_node; + int ret; /* * FIXME: we should allocate the DMA channel from this @@ -140,14 +141,23 @@ static int pxa_ssp_probe(struct platform_device *pdev) */ /* rx */ - of_parse_phandle_with_args(np, "dmas", "#dma-cells", - 0, &dma_spec); + ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells", + 0, &dma_spec); + + if (ret) { + dev_err(dev, "Can't parse dmas property\n"); + return -ENODEV; + } ssp->drcmr_rx = dma_spec.args[0]; of_node_put(dma_spec.np); /* tx */ - of_parse_phandle_with_args(np, "dmas", "#dma-cells", - 1, &dma_spec); + ret = of_parse_phandle_with_args(np, "dmas", "#dma-cells", + 1, &dma_spec); + if (ret) { + dev_err(dev, "Can't parse dmas property\n"); + return -ENODEV; + } ssp->drcmr_tx = dma_spec.args[0]; of_node_put(dma_spec.np); } else { |
