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[POWERPC] 4xx: Add dcri_clrset() for locked read/modify/write functionality
authorValentine Barshak <vbarshak@ru.mvista.com>
Wed, 5 Mar 2008 18:38:04 +0000 (05:38 +1100)
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>
Wed, 26 Mar 2008 12:20:38 +0000 (07:20 -0500)
This adds dcri_clrset() macro which does read/modify/write
on indirect dcr registers while holding indirect dcr lock.

Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

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