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dahdi-linux/drivers
Shaun Ruffell b7485aa383 wct4xxp: Atomically perform some read/modify/write operations
There are read/modify/write operations on the framer that were not
protected by any locks. While I didn't notice any code paths that would
result in simultaneous accesses to these registers, this change will
hopefully save someone else some time in the future verifying that the
accesses are safe. A side effect is that the reglock is acquired only
once for each read/modify/write cycle as opposed to twice previously.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Michael Spiceland <mspiceland@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10248 a0bf4364-ded3-4de4-8d8a-66a801d63aff
2011-10-20 20:53:18 +00:00
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