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Blackfin: SMP: flush CoreB cache when shutting down
authorGraf Yang <graf.yang@analog.com>
Fri, 19 Mar 2010 08:01:27 +0000 (08:01 +0000)
committerMike Frysinger <vapier@gentoo.org>
Wed, 23 Mar 2011 01:03:16 +0000 (21:03 -0400)
commit1e924e2f1e073684b845c95886183bac6a992fb0
treee764b69eda5a2e1d36671257995a566f027313dftree | snapshot (tar.gz zip)
parentf741a79e982cf56d7584435bad663553ffe6715fcommit | diff
Blackfin: SMP: flush CoreB cache when shutting down

When CoreB wakes up, it needs to read variables that CoreA might have
modified, and might be in CoreB's cache.  So kill CoreB's cache before
going to sleep so that when we wake up, we are in a coherent state.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
arch/blackfin/mach-bf561/hotplug.c diff | blob | blame | history