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cbus-retu: Acquire mutex on write operation
authorMichael Buesch <mb@bu3sch.de>
Sat, 26 Feb 2011 23:34:33 +0000 (23:34 +0000)
committerTony Lindgren <tony@atomide.com>
Thu, 3 Mar 2011 01:23:26 +0000 (17:23 -0800)
The mutex has to be acquired on register write to avoid interference
with a simultaneous retu_set_clear_reg_bits operation.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>

No differences found
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