Re: [PATCH 4/7] iommu/arm-smmu: Support buggy implementations where all config accesses are secure

2013-10-10 Thread Andreas Herrmann
On Thu, Oct 10, 2013 at 11:47:27AM -0400, Will Deacon wrote: > On Wed, Oct 09, 2013 at 11:38:03PM +0100, Andreas Herrmann wrote: > > In such a case we have to use secure aliases of some non-secure > > registers. > > > > This handling is switched on by DT property > > "arm,smmu-secure-config-access

Re: [PATCH 4/7] iommu/arm-smmu: Support buggy implementations where all config accesses are secure

2013-10-10 Thread Will Deacon
On Wed, Oct 09, 2013 at 11:38:03PM +0100, Andreas Herrmann wrote: > In such a case we have to use secure aliases of some non-secure > registers. > > This handling is switched on by DT property > "arm,smmu-secure-config-access" for an SMMU node. > > Signed-off-by: Andreas Herrmann > --- > driver

[PATCH 4/7] iommu/arm-smmu: Support buggy implementations where all config accesses are secure

2013-10-09 Thread Andreas Herrmann
In such a case we have to use secure aliases of some non-secure registers. This handling is switched on by DT property "arm,smmu-secure-config-access" for an SMMU node. Signed-off-by: Andreas Herrmann --- drivers/iommu/arm-smmu.c | 30 +- 1 file changed, 21 inserti