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Add read/write bus barriers for MIPS.

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Tested:

* AR9344 - mips74k SoC

Approved by:	re@ (delphij)
This commit is contained in:
Adrian Chadd 2013-10-09 22:10:03 +00:00
parent 8fdf27c6d7
commit d5cc57e6ab
1 changed files with 4 additions and 0 deletions
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4
sys/mips/mips/bus_space_generic.c
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@ -749,4 +749,8 @@ generic_bs_barrier(void *t __unused,
if (flags & BUS_SPACE_BARRIER_WRITE)
mips_dcache_wbinv_all();
#endif
if (flags & BUS_SPACE_BARRIER_READ)
rmb();
if (flags & BUS_SPACE_BARRIER_WRITE)
wmb();
}