tree 90e686709e31ab7523e4ce730b2c85a930384cf7
parent 79f64dbf68c8a9779a7e9a25e0a9f0217a25b57a
author Russell King <rmk+kernel@arm.linux.org.uk> 1280399885 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> 1280408677 +0100

ARM: Add barriers to io{read,write}{8,16,32} accessors as well

The ioread/iowrite accessors also need barriers as they're used in
place of readl/writel et.al. in portable drivers.  Create __iormb()
and __iowmb() which are conditionally defined to be barriers dependent
on ARM_DMA_MEM_BUFFERABLE, and always use these macros in the accessors.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>