kernel/linux.git/drivers/soc/qcom/qcom_pdr_msg.c, branch linux-7.0.y

soc: qcom: pd-mapper: Fix element length in servreg_loc_pfr_req_ei

2026-03-16T01:36:05+00:00

It looks element length declared in servreg_loc_pfr_req_ei for reason not matching servreg_loc_pfr_req's reason field due which we could observe decoding error on PD crash. qmi_decode_string_elem: String len 81 >= Max Len 65 Fix this by matching with servreg_loc_pfr_req's reason field. Fixes: 1ebcde047c54 ("soc: qcom: add pd-mapper implementation") Signed-off-by: Mukesh Ojha Reviewed-by: Dmitry Baryshkov Tested-by: Nikita Travkin Link: https://lore.kernel.org/r/20260129152320.3658053-2-mukesh.ojha@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: Do not expose internal servreg_location_entry_ei array

2025-02-14T17:37:30+00:00

'struct qmi_elem_info servreg_location_entry_ei' is used only internally in qcom_pdr_msg.c, so drop the extern declaration to make headers smaller and code more obvious about intention. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250121102817.68577-1-krzysztof.kozlowski@linaro.org Signed-off-by: Bjorn Andersson

soc: qcom: add pd-mapper implementation

2024-06-24T22:32:07+00:00

Existing userspace protection domain mapper implementation has several issue. It doesn't play well with CONFIG_EXTRA_FIRMWARE, it doesn't reread JSON files if firmware location is changed (or if firmware was not available at the time pd-mapper was started but the corresponding directory is mounted later), etc. Provide in-kernel service implementing protection domain mapping required to work with several services, which are provided by the DSP firmware. This module is loaded automatically by the remoteproc drivers when necessary via the symbol dependency. It uses a root node to match a protection domains map for a particular board. It is not possible to implement it as a 'driver' as there is no corresponding device. Tested-by: Steev Klimaszewski Tested-by: Alexey Minnekhanov Reviewed-by: Chris Lew Tested-by: Neil Armstrong # on SM8550-QRD Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240622-qcom-pd-mapper-v9-4-a84ee3591c8e@linaro.org [bjorn: include linux/slab.h] Signed-off-by: Bjorn Andersson

soc: qcom: pdr: extract PDR message marshalling data

2024-06-24T03:41:39+00:00

The in-kernel PD mapper is going to use same message structures as the QCOM_PDR_HELPERS module. Extract message marshalling data to separate module that can be used by both PDR helpers and by PD mapper. Reviewed-by: Bryan O'Donoghue Tested-by: Steev Klimaszewski Tested-by: Alexey Minnekhanov Tested-by: Neil Armstrong # on SM8550-QRD Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240622-qcom-pd-mapper-v9-3-a84ee3591c8e@linaro.org Signed-off-by: Bjorn Andersson