From: Pierre-Yves MORDRET Date: Mon, 25 Mar 2019 16:21:55 +0000 (+0100) Subject: dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array" X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9dfec7ca0ba7ef987b3bbb71333d2f2182f5e030;p=linux.git dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array" This reverts commit 906b40b246b0 ("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 Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 4e0eede599a8d..ac0301b695937 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);