On Wed, Jan 11, 2023 at 05:13:30PM +0530, Sibi Sankar wrote: > The dynamic memory region used for metadata authentication would still > be a part of the kernel mapping and any access to this region by the > application processor after assigning it to the remote Q6 will result > in a XPU violation. This is fixed by using a no-map carveout instead. > Update the bindings to reflect the addition of the new modem metadata > carveout on SC7180 SoC. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx> > --- > > v3: > * remove double space [Krzysztof] > * Pickup R-b > > v2: > * Pad commit message to explain bindings break [Krzysztof] > * Split dt/bindings per SoC [Krzysztof] > > .../devicetree/bindings/remoteproc/qcom,sc7180-mss-pil.yaml | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-mss-pil.yaml > index e4a7da8020f4..b1402bef0ebe 100644 > --- a/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-mss-pil.yaml > +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-mss-pil.yaml > @@ -95,6 +95,7 @@ properties: > items: > - description: MBA reserved region > - description: modem reserved region > + - description: metadata reserved region Based on dtbs_check, looks like you need 'minItems: 2'. > > firmware-name: > $ref: /schemas/types.yaml#/definitions/string-array > @@ -223,7 +224,7 @@ examples: > <&rpmhpd SC7180_MSS>; > power-domain-names = "cx", "mx", "mss"; > > - memory-region = <&mba_mem>, <&mpss_mem>; > + memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>; > > qcom,qmp = <&aoss_qmp>; > > -- > 2.17.1 >