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Add arch specific dev_archdata to struct device Adds an arch specific struct dev_arch to struct device. This enables architecture to add specific fields to every device in the system, like DMA operation pointers, NUMA node ID, firmware specific data, etc... Signed-off-by: Benjamin Herrenschmidt <[email protected]> Acked-by: Andi Kleen <[email protected]> Acked-By: David Howells <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>