From: Krzysztof Halasa <k...@pm.waw.pl> Date: Sat, 23 Mar 2013 20:35:46 +0100
> ARM core code currently requires coherent DMA mask to be set. Make sure > we limit PCI devices to 64 MiB while allowing on-chip devices to access > the whole 4 GiB address space. > > This fixes a v3.7+ regression which broke IXP4xx built-in network devices. > > Signed-off-by: Krzysztof HaĆasa <k...@pm.waw.pl> This requirement is not reasonable. The DMA API documentation clearly states what the default must be, and what drivers are guarenteed will be the default. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/