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dmaengine: mmp: deprecate '#dma-channels'

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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>
Link: https://lore.kernel.org/r/20220503065407.52188-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2022-05-03 08:54:06 +02:00 committed by Vinod Koul
parent d9cb0a4c0b
commit 607c04a044
1 changed files with 9 additions and 5 deletions
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14
drivers/dma/mmp_pdma.c
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@ -1043,13 +1043,17 @@ static int mmp_pdma_probe(struct platform_device *op)
return PTR_ERR(pdev->base);
of_id = of_match_device(mmp_pdma_dt_ids, pdev->dev);
if (of_id)
of_property_read_u32(pdev->dev->of_node, "#dma-channels",
&dma_channels);
else if (pdata && pdata->dma_channels)
if (of_id) {
/* Parse new and deprecated dma-channels properties */
if (of_property_read_u32(pdev->dev->of_node, "dma-channels",
&dma_channels))
of_property_read_u32(pdev->dev->of_node, "#dma-channels",
&dma_channels);
} else if (pdata && pdata->dma_channels) {
dma_channels = pdata->dma_channels;
else
} else {
dma_channels = 32; /* default 32 channel */
}
pdev->dma_channels = dma_channels;
for (i = 0; i < dma_channels; i++) {