git: kref.h: Adapt to Linux 3.8's drm

[Francois Tigeot]

commit 32dbd5b5c19b875c943ba11acd45888ebc3c1002
Author: François Tigeot <ftigeot at wolfpond.org>
Date:   Sat Nov 2 15:36:46 2013 +0100

    kref.h: Adapt to Linux 3.8's drm
    
    * Implement kref_sub()
    
    * The internal counter is used by the drm code, rename it to refcount
    
    * The internal counter must be of type atomic_t

Summary of changes:
 sys/dev/drm/include/linux/kref.h | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/32dbd5b5c19b875c943ba11acd45888ebc3c1002


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