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[S390] cio: allow enable_facility from outside init functions
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 22 Apr 2010 15:17:03 +0000 (17:17 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Thu, 22 Apr 2010 15:17:19 +0000 (17:17 +0200)
Prepare chsc_enable_facility to be used from outside init functions.
Use static memory for the chsc call and protect its access by a
spinlock (although there is no concurrent usage).

Cc: <stable@kernel.org>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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