From: Christophe Aeschlimann <[email protected]> Date: Tue, 19 Mar 2013 16:59:25 +0100
> 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 <[email protected]> ... > @@ -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); Hmmm, shouldn't this be the default value, set by the bus layer or similar? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
