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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-04-27 19:11:23 +0300
committerVinod Koul <vkoul@kernel.org>2022-05-19 20:28:02 +0300
commita725e582d720066e49034f8980af57a720d75127 (patch)
tree9c42bb48bbe5b9a8299233e2774772cfde4ac7ee /drivers/dma
parent607c04a0441ff477666dca4744e94f555aa8fd65 (diff)
downloadlinux-a725e582d720066e49034f8980af57a720d75127.tar.xz
dmaengine: ti: 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: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20220427161126.647073-4-krzysztof.kozlowski@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ti/cppi41.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c
index 062bd9bd4de0..695915dba707 100644
--- a/drivers/dma/ti/cppi41.c
+++ b/drivers/dma/ti/cppi41.c
@@ -1105,8 +1105,12 @@ static int cppi41_dma_probe(struct platform_device *pdev)
cdd->qmgr_num_pend = glue_info->qmgr_num_pend;
cdd->first_completion_queue = glue_info->first_completion_queue;
+ /* Parse new and deprecated dma-channels properties */
ret = of_property_read_u32(dev->of_node,
- "#dma-channels", &cdd->n_chans);
+ "dma-channels", &cdd->n_chans);
+ if (ret)
+ ret = of_property_read_u32(dev->of_node,
+ "#dma-channels", &cdd->n_chans);
if (ret)
goto err_get_n_chans;