Commit 128f6ec9 authored by 蒋家盛's avatar 蒋家盛 Committed by David S. Miller
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net: bcm4908: Handle dma_set_coherent_mask error codes 



The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.

Fixes: 9d61d138 ("net: broadcom: rename BCM4908 driver & update DT binding")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0f8a3b48

drivers/net/ethernet/broadcom/bcm4908_enet.c

+3 −1
Original line number Diff line number Diff line
@@ -708,7 +708,9 @@ static int bcm4908_enet_probe(struct platform_device *pdev) 


	enet->irq_tx = platform_get_irq_byname(pdev, "tx");



	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));

	err = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));

	if (err)

		return err;



	err = bcm4908_enet_dma_alloc(enet);

	if (err)