On Tue, Jan 19, 2016 at 03:03:00PM +0800, Shunqian Zheng wrote: > From: ZhengShunQian <zhengsq at rock-chips.com> > > There are some IPs, such as video encoder/decoder, contains 2 slave iommus, > one for reading and the other for writing. They share the same irq and > clock with master. > > This patch reconstructs to support this case by making them share the same > Page Directory, Page Tables and even the register operations. > That means every instruction to the reading MMU registers would be > duplicated to the writing MMU and vice versa. > > Signed-off-by: ZhengShunQian <zhengsq at rock-chips.com> > --- > drivers/iommu/rockchip-iommu.c | 214 ++++++++++++++++++++++++++--------------- > 1 file changed, 135 insertions(+), 79 deletions(-) Applied, thanks.
