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CVS commit: [netbsd-6] src/sys/arch/evbsh3/evbsh3

Module Name:    src
Committed By:   martin
Date:           Sat Jan 24 13:45:46 UTC 2015

Modified Files:
        src/sys/arch/evbsh3/evbsh3 [netbsd-6]: bus_dma.c

Log Message:
Pull up following revision(s) (requested by nonaka in ticket #1237):
        sys/arch/evbsh3/evbsh3/bus_dma.c: revision 1.4
Sync with sys/arch/landisk/landisk/bus_dma.c rev.1.15.
Don't call sh_dcache_inv_range() on BUS_DMASYNC_POSTREAD ops
as other mips and arm ports.
All cached data is cared on BUS_DMASYNC_PREREAD and
invalidating cache without writeback could cause unexpected
data loss if specified sync region is not cacheline aligned.
This may fix "ffs_alloccg: map corrupted" panic on acardide IDE disks,
which didn't happen on USB HDD.

To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.3.8.1 src/sys/arch/evbsh3/evbsh3/bus_dma.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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