[PATCH net] macsonic: Set platform device coherent_dma_mask
From: Finn Thain <hidden>
Date: 2018-05-03 04:24:12
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Set the device's coherent_dma_mask to avoid a WARNING splat.
Please see commit 205e1b7f51e4 ("dma-mapping: warn when there is
no coherent_dma_mask").
Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: Finn Thain <redacted>
---
drivers/net/ethernet/natsemi/macsonic.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c
index 0937fc2a928e..37b1ffa8bb61 100644
--- a/drivers/net/ethernet/natsemi/macsonic.c
+++ b/drivers/net/ethernet/natsemi/macsonic.c@@ -523,6 +523,10 @@ static int mac_sonic_platform_probe(struct platform_device *pdev) struct sonic_local *lp; int err; + err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) + return err; + dev = alloc_etherdev(sizeof(struct sonic_local)); if (!dev) return -ENOMEM;
--
2.16.1