Messages in this thread Patch in this message | | | From | Christophe Aeschlimann <> | Subject | [PATCH] ixp4xx_eth: set the device dma_coherent_mask | Date | Tue, 19 Mar 2013 16:59:25 +0100 |
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Without the mask it is impossible to take the network interface up since it returns the following error:
> net eth1: coherent DMA mask is unset > ifconfig: SIOCSIFFLAGS: Cannot allocate memory
Tested on an out-of-tree ixp425 based board.
Signed-off-by: Christophe Aeschlimann <c.aeschlimann@acn-group.ch> --- drivers/net/ethernet/xscale/ixp4xx_eth.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 6958a5e..ff23c5c 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -1398,6 +1398,7 @@ static int eth_init_one(struct platform_device *pdev) return -ENOMEM; SET_NETDEV_DEV(dev, &pdev->dev); + dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); port = netdev_priv(dev); port->netdev = dev; port->id = pdev->id; -- 1.7.9
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