On Friday 18 January 2013, Vineet Gupta wrote: > All the current platforms can work with 0x8000_0000 based dma_addr_t > since the Bus Bridges typically ignore the top bit (the only excpetion > was Angel4 PCI-AHM bridge which we no longer care for). > That way we don't need plat-specific cpu-addr to bus-addr conversion. > > Hooks still provided - just in case a platform has an obscure device > which say needs 0 based bus address. > > That way <asm/dma_mapping.h> no longer needs to unconditinally include > <plat/dma_addr.h> > > Also verfied that on Angel4 board, other peripherals (IDE-disk / EMAC) > work fine with 0x8000_0000 based dma addresses. > > Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
