add protect mutex when activate iommu device. coresponse to iommu
authorljf <ljf@rock-chips.com>
Fri, 7 Nov 2014 07:15:50 +0000 (15:15 +0800)
committerljf <ljf@rock-chips.com>
Fri, 7 Nov 2014 07:15:50 +0000 (15:15 +0800)
commit7d9d350eac5045436c5d9da71073dda155235f79
treeb86a09d2500244672c9f64963cae68e1fe459bdb
parentaeac5488bdc5a6c1346ffcd8e81077f81d1da7c1
add protect mutex when activate iommu device. coresponse to iommu
modify.

Signed-off-by: ljf <ljf@rock-chips.com>
arch/arm/mach-rockchip/vcodec_service.c