This enable dynamic reserve memory for Qualcomm ramoops device, Which will used to save ramoops frontend data and this region gets dumped on crash via Qualcomm's minidump infrastructure. qcom_pstore_minidump is the associated driver for this node. Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sm8450.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 595533a..92d023f 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -614,6 +614,17 @@ reg = <0x0 0xed900000 0x0 0x3b00000>; no-map; }; + + qcom_ramoops_md_region:qcom_ramoops_md { + alloc-ranges = <0x0 0x00000000 0xffffffff 0xffffffff>; + size = <0x0 0x200000>; + no-map; + }; + }; + + qcom_ramoops_md { + compatible = "qcom,sm8450-ramoops-minidump", "qcom,ramoops-minidump"; + memory-region = <&qcom_ramoops_md_region>; }; smp2p-adsp { -- 2.7.4