This reverts commit 906b40b246b0acb54c4dc97e815cf734761c9820.

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.mord...@st.com>
---
 drivers/dma/stm32-mdma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index 4e0eede..ac0301b 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -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);
-- 
2.7.4

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