Re: [RFC 3/5] dt-bindings: arm-smmu: Add reserved-msi-region

2018-03-15 Thread Robin Murphy
On 12/03/18 07:19, Jitendra Bhivare wrote: On Tue, Mar 6, 2018 at 5:17 PM, Robin Murphy wrote: On 06/03/18 04:59, Jitendra Bhivare wrote: iPROC SoC has a special device window to treat GICv3 ITS MSI. Ugh, really? After preferably printing out 100 copies of the SBSA, binding them all togeth

Re: [RFC 3/5] dt-bindings: arm-smmu: Add reserved-msi-region

2018-03-12 Thread Jitendra Bhivare via iommu
On Tue, Mar 6, 2018 at 5:17 PM, Robin Murphy wrote: > On 06/03/18 04:59, Jitendra Bhivare wrote: >> >> iPROC SoC has a special device window to treat GICv3 ITS MSI. > > > Ugh, really? After preferably printing out 100 copies of the SBSA, binding > them all together and dropping the lot onto the ha

Re: [RFC 3/5] dt-bindings: arm-smmu: Add reserved-msi-region

2018-03-06 Thread Robin Murphy
On 06/03/18 04:59, Jitendra Bhivare wrote: iPROC SoC has a special device window to treat GICv3 ITS MSI. Ugh, really? After preferably printing out 100 copies of the SBSA, binding them all together and dropping the lot onto the hardware designers from a great height, could you clarify what ex

[RFC 3/5] dt-bindings: arm-smmu: Add reserved-msi-region

2018-03-06 Thread Jitendra Bhivare via iommu
iPROC SoC has a special device window to treat GICv3 ITS MSI. Current code maps MSI to IOVA space. Add SMMU node property to use direct mappings for MSI region. This property is read and reserved when arm_smmu_get_resv_regions gets called. Signed-off-by: Jitendra Bhivare --- Documentation/devi