Blackfin: optimize MMR reads during startup a bit

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Since the value of these MMRs aren't changing, store the value in a local
variable and work off of that.  This avoids multiple MMR reads which are
implicitly forced by the volatile markings.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

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Mike Frysinger 2011-04-18 18:37:38 -04:00

parent 8c05410350

commit 00b5c50e47

1 changed files with 9 additions and 11 deletions

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arch/blackfin/kernel/setup.c

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