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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-29 12:38:05 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-29 15:04:37 +0200 |
| commit | b92b3612134faff171981fad4f0adb33f485e02e (patch) | |
| tree | 90e686709e31ab7523e4ce730b2c85a930384cf7 /arch/arm/mm/highmem.c | |
| parent | ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE (diff) | |
| download | linux-b92b3612134faff171981fad4f0adb33f485e02e.tar.xz linux-b92b3612134faff171981fad4f0adb33f485e02e.zip | |
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>
Diffstat (limited to 'arch/arm/mm/highmem.c')
0 files changed, 0 insertions, 0 deletions