Re: [PATCH v3 20/23] arm64: dts: qcom: sdx75: Fix MPSS memory length

From: Konrad Dybcio
Date: Fri Dec 13 2024 - 10:02:43 EST


On 13.12.2024 3:54 PM, Krzysztof Kozlowski wrote:
> The address space in MPSS/Modem PAS (Peripheral Authentication Service)
> remoteproc node should point to the QDSP PUB address space
> (QDSP6...SS_PUB) which has a length of 0x10000. Value of 0x4040 was
> copied from older DTS, but it grew since then.
>
> This should have no functional impact on Linux users, because PAS loader
> does not use this address space at all.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 41c72f36b286 ("arm64: dts: qcom: sdx75: Add remoteproc node")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>
> ---
>
> Changes in v3:
> New patch
> ---
> arch/arm64/boot/dts/qcom/sdx75.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
> index 5f7e59ecf1ca6298cb252ee0654bc7eaeefbd303..a7cb6bacc4ad5551486d2ded930c1a256d27655e 100644
> --- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
> @@ -893,7 +893,7 @@ tcsr: syscon@1fc0000 {
>
> remoteproc_mpss: remoteproc@4080000 {
> compatible = "qcom,sdx75-mpss-pas";
> - reg = <0 0x04080000 0 0x4040>;
> + reg = <0 0x04080000 0 0x10000>;

I think this should be 0x04400000 instead

Konrad