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dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array"

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This reverts commit 906b40b246 ("dmaengine: stm32-mdma: Add a check on
read_u32_array")

As stated by bindings "st,ahb-addr-masks" is optional.
The statement inserted by this commit makes this property
mandatory and prevents MDMA to be probed in case property not present.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Yves MORDRET 2019-03-25 17:21:55 +01:00 committed by Vinod Koul
parent 9e98c678c2
commit 9dfec7ca0b
1 changed files with 1 additions and 3 deletions
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4
drivers/dma/stm32-mdma.c
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@ -1578,11 +1578,9 @@ static int stm32_mdma_probe(struct platform_device *pdev)
dmadev->nr_channels = nr_channels;
dmadev->nr_requests = nr_requests;
ret = device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
device_property_read_u32_array(&pdev->dev, "st,ahb-addr-masks",
dmadev->ahb_addr_masks,
count);
if (ret)
return ret;
dmadev->nr_ahb_addr_masks = count;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);