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

stmordret · vinodkoul · commit 9dfec7ca0ba7 · 2019-03-25T21:56:54.000+05:30
This reverts commit 906b40b ("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>
diff --git 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);
