Messages in this thread Patch in this message | | | From | Xiubo Li <> | Subject | [PATCH] ASoC: fsl-sai: Add device tree nodes and its availiable check | Date | Fri, 10 Jan 2014 10:05:50 +0800 |
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SAIs that are not connected on the board should have a status = "disabled" property in their device tree nodes.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> --- sound/soc/fsl/fsl_sai.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index cdd3fa8..6b2ab91 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -404,6 +404,9 @@ static int fsl_sai_probe(struct platform_device *pdev) struct resource *res; int ret; + if (!np || !of_device_is_available(np)) + return -ENODEV; + sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL); if (!sai) return -ENOMEM; -- 1.8.4
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