Configure DMA atributes?

Gareth Davies grmd at
Wed Aug 14 02:31:02 EDT 2013

On Mon, 12 Aug 2013 19:55:35 +0200, you wrote:
> From: drivers/net/ethernet/realtek/8139cp.c
> If I comment the assignment to pci_using_dac, the compiler issues
> warnings, but it makes no visible difference to assign 1 or 0.
> If I had real hardware what could I brake by playing with this code?

Does the following help:

On real hardware, when using a PCI bus, setting the PCIDAC flag in  
8139cp.c is intended to signify that 64-bit addressing is being used.

Gareth Davies, Lotwillow Ltd

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