summaryrefslogtreecommitdiffstats
path: root/drivers/dma/sprd-dma.c
diff options
context:
space:
mode:
authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-05-03 08:51:46 +0200
committerVinod Koul <vkoul@kernel.org>2022-05-16 15:04:35 +0200
commitd84c3ad998795503379ef8458ffffb5c06d18cc5 (patch)
treefbf0e57502058452468cae3c99351172e75ebba9 /drivers/dma/sprd-dma.c
parentdt-bindings: dmaengine: sprd: deprecate '#dma-channels' (diff)
downloadlinux-d84c3ad998795503379ef8458ffffb5c06d18cc5.tar.xz
linux-d84c3ad998795503379ef8458ffffb5c06d18cc5.zip
dmaengine: sprd: deprecate '#dma-channels'
The generic property, used in most of the drivers and defined in generic dma-common DT bindings, is 'dma-channels'. Switch to new property while keeping backward compatibility. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Link: https://lore.kernel.org/r/20220503065147.51728-3-krzysztof.kozlowski@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/sprd-dma.c')
-rw-r--r--drivers/dma/sprd-dma.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index 7f158ef5672d..2138b80435ab 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -1117,7 +1117,11 @@ static int sprd_dma_probe(struct platform_device *pdev)
u32 chn_count;
int ret, i;
- ret = device_property_read_u32(&pdev->dev, "#dma-channels", &chn_count);
+ /* Parse new and deprecated dma-channels properties */
+ ret = device_property_read_u32(&pdev->dev, "dma-channels", &chn_count);
+ if (ret)
+ ret = device_property_read_u32(&pdev->dev, "#dma-channels",
+ &chn_count);
if (ret) {
dev_err(&pdev->dev, "get dma channels count failed\n");
return ret;