Messages in this thread Patch in this message | | | From | Krzysztof Kozlowski <> | Subject | [PATCH v2 2/3] dmaengine: sprd: deprecate '#dma-channels' | Date | Tue, 3 May 2022 08:51:46 +0200 |
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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> --- drivers/dma/sprd-dma.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
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; -- 2.32.0
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