On Wed, Sep 27, 2017 at 02:32:37PM +0100, Shameer Kolothum wrote: > From: John Garry <john.garry@xxxxxxxxxx> > > The HiSilicon erratum 161010801 describes the limitation of HiSilicon > platforms hip06/hip07 to support the SMMU mappings for MSI transactions. > > On these platforms, GICv3 ITS translator is presented with the deviceID > by extending the MSI payload data to 64 bits to include the deviceID. > Hence, the PCIe controller on this platforms has to differentiate the MSI > payload against other DMA payload and has to modify the MSI payload. > This basically makes it difficult for this platforms to have a SMMU > translation for MSI. > > This patch adds a compatible string to implement this errata for > HiSilicon Hi161x SMMUv3 model on hip06/hip07 platforms. > > Also, the arm64 silicon errata is updated with this same erratum. > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> > [Shameer: Modified to use compatible string for errata] > Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> > --- > Documentation/arm64/silicon-errata.txt | 1 + > Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt | 9 ++++++++- > 2 files changed, 9 insertions(+), 1 deletion(-) Acked-by: Rob Herring <robh@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
