From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> And don't print an error: not configured is not an error. Reported-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> --- In response to Philipp's patch silencing the warning in the driver: http://patchwork.ozlabs.org/patch/425696/ I think this should be handled in the core. drivers/dma/of-dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index d5fbeaa1e7ba..ca31f1b45366 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -159,6 +159,10 @@ struct dma_chan *of_dma_request_slave_channel(struct device_node *np, return ERR_PTR(-ENODEV); } + /* Silently fail if there is not even the "dmas" property */ + if (!of_find_property(np, "dmas", NULL)) + return ERR_PTR(-ENODEV); + count = of_property_count_strings(np, "dma-names"); if (count < 0) { pr_err("%s: dma-names property of node '%s' missing or empty\n", -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
