summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorRob Herring <robh@kernel.org>2023-03-10 08:47:03 -0600
committerVinod Koul <vkoul@kernel.org>2023-03-17 23:11:42 +0530
commit3765af04f4fda327463e5b631a4a2d62ae7bb93f (patch)
treebe0af64edbf8bd0dfe8bb67b558dda6c09efa0c1 /drivers/dma
parent9f7d4718211a82b2a87ae74d841d6e3938cd5c28 (diff)
dmaengine: Use of_property_present() for testing DT property presence
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230310144704.1541976-1-robh@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/of-dma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index ac61ecda2926..775a7f408b9a 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -264,7 +264,7 @@ struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
}
/* Silently fail if there is not even the "dmas" property */
- if (!of_find_property(np, "dmas", NULL))
+ if (!of_property_present(np, "dmas"))
return ERR_PTR(-ENODEV);
count = of_property_count_strings(np, "dma-names");