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authorMike Frysinger <vapier@gentoo.org>2009-10-09 22:18:12 +0000
committerMike Frysinger <vapier@gentoo.org>2009-12-15 00:14:18 -0500
commitd2e015d65fc692475b8513259d6afacd2cded8e8 (patch)
treee296f8daa8a7ba957d0ae080c71212f77172d382 /arch/arm/plat-mxc/include
parentadfc046740b4161cbb1f0a3ea0d4200e21113489 (diff)
Blackfin: convert DMA mutex to an atomic and drop redundant code
The DMA channel status field was encoding redundant info wrt the DMA MMR config register, and it was doing an incomplete job of checking all DMA channels (some drivers write directly to the config register). So drop the tristate field in favor of a binary atomic field. This simplifies the code in general, removes the implicit need for sleeping, and forces the suspend code to handle all channels properly. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/arm/plat-mxc/include')
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