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ARM: ixp4xx: Make dma_set_coherent_mask common, correct implementation
authorSimon Kågström <simon.kagstrom@netinsight.net>
Mon, 17 Mar 2014 13:42:35 +0000 (14:42 +0100)
committerArnd Bergmann <arnd@arndb.de>
Tue, 18 Mar 2014 15:03:43 +0000 (16:03 +0100)
Non-PCI devices can use the entire 32-bit range, PCI dittos are
limited to the first 64MiB.

Also actually setup coherent_dma_mask.

The patch has been verified on a board with 128MiB memory, one
ipx4xx_eth device and a e100 PCI device.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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