* [PATCH net-next] net: systemport: Set correct DMA mask
@ 2019-12-18 0:29 Florian Fainelli
2019-12-20 2:10 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Florian Fainelli @ 2019-12-18 0:29 UTC (permalink / raw)
To: netdev
Cc: jakub.kicinski, Florian Fainelli, David S. Miller,
open list:BROADCOM SYSTEMPORT ETHERNET DRIVER, open list
SYSTEMPORT is capabable of doing up to 40-bit of physical addresses, set
an appropriate DMA mask to permit that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/net/ethernet/broadcom/bcmsysport.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 8e3152779a61..1907e47fd0af 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2427,6 +2427,14 @@ static int bcm_sysport_probe(struct platform_device *pdev)
if (!of_id || !of_id->data)
return -EINVAL;
+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40));
+ if (ret)
+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (ret) {
+ dev_err(&pdev->dev, "unable to set DMA mask: %d\n", ret);
+ return ret;
+ }
+
/* Fairly quickly we need to know the type of adapter we have */
params = of_id->data;
--
2.17.1
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2019-12-18 0:29 [PATCH net-next] net: systemport: Set correct DMA mask Florian Fainelli
2019-12-20 2:10 ` David Miller
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