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

soc: qcom: mdtloader: Remove qcom_mdt_pas_init() from exported symbols

2026-01-13T18:14:34+00:00

qcom_mdt_pas_init() was previously used only by the remoteproc driver (drivers/remoteproc/qcom_q6v5_pas.c). Since that driver has now transitioned to using PAS context-based qcom_mdt_pas_load() function, making qcom_mdt_pas_init() obsolete for external use. Removes qcom_mdt_pas_init() from the list of exported symbols and make it static to limit its scope to internal use within mdtloader. Reviewed-by: Konrad Dybcio Signed-off-by: Mukesh Ojha Link: https://lore.kernel.org/r/20260105-kvmrprocv10-v10-7-022e96815380@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: mdtloader: Add PAS context aware qcom_mdt_pas_load() function

2026-01-13T18:14:34+00:00

Introduce a new PAS context-aware function, qcom_mdt_pas_load(), for remote processor drivers. This function utilizes the PAS context pointer returned from qcom_scm_pas_ctx_init() to perform firmware metadata verification and memory setup via SMC calls. The qcom_mdt_pas_load() and qcom_mdt_load() functions are largely similar, but the former is designed for clients using the PAS context-based data structure. Over time, all users of qcom_mdt_load() can be migrated to use qcom_mdt_pas_load() for consistency and improved abstraction. As the remoteproc PAS driver (qcom_q6v5_pas) has already adopted the PAS context-based approach, update it to use qcom_mdt_pas_load(). Reviewed-by: Konrad Dybcio Signed-off-by: Mukesh Ojha Link: https://lore.kernel.org/r/20260105-kvmrprocv10-v10-6-022e96815380@oss.qualcomm.com Signed-off-by: Bjorn Andersson

remoteproc: pas: Replace metadata context with PAS context structure

2026-01-13T18:14:33+00:00

As a superset of the existing metadata context, the PAS context structure enables both remoteproc and non-remoteproc subsystems to better support scenarios where the SoC runs with or without the Gunyah hypervisor. To reflect this, relevant SCM and metadata functions are updated to incorporate PAS context awareness and remove metadata context data structure completely. Signed-off-by: Mukesh Ojha Link: https://lore.kernel.org/r/20260105-kvmrprocv10-v10-5-022e96815380@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: mdt_loader: rename 'firmware' parameter of qcom_mdt_load()

2025-11-11T15:48:57+00:00

In the 'mdt_loader.h' header, both the prototype and the inline version of the qcom_mdt_load() function uses 'fw_name' as name for the firmware name parameter. Additionally, the other qcom_mdt_* functions are using that as well. For consistency, rename the 'firmware' parameter in the implementation of the qcom_mdt_load() to 'fw_name' and update the function accordingly. No functional changes. Signed-off-by: Gabor Juhos Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20251111-mdt-loader-cleanup-v1-2-71afee094dce@gmail.com Signed-off-by: Bjorn Andersson

soc: qcom: mdt_loader: merge __qcom_mdt_load() and qcom_mdt_load_no_init()

2025-11-11T15:48:56+00:00

The qcom_mdt_load_no_init() function is just a simple wrapper around of __qcom_mdt_load(). Since commit 0daf35da397b ("soc: qcom: mdt_loader: Remove pas id parameter") both functions are using the same type of parameters and providing the same functionality. Keeping two functions for the same purpose is superfluous, so rename the __qcom_mdt_load() function to qcom_mdt_load_no_init() and remove the wrapper. No functional changes. Signed-off-by: Gabor Juhos Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20251111-mdt-loader-cleanup-v1-1-71afee094dce@gmail.com Signed-off-by: Bjorn Andersson

Merge tag 'soc-drivers-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2025-10-02T00:32:51+00:00

Pull SoC driver updates from Arnd Bergmann: "Lots of platform specific updates for Qualcomm SoCs, including a new TEE subsystem driver for the Qualcomm QTEE firmware interface. Added support for the Apple A11 SoC in drivers that are shared with the M1/M2 series, among more updates for those. Smaller platform specific driver updates for Renesas, ASpeed, Broadcom, Nvidia, Mediatek, Amlogic, TI, Allwinner, and Freescale SoCs. Driver updates in the cache controller, memory controller and reset controller subsystems. SCMI firmware updates to add more features and improve robustness. This includes support for having multiple SCMI providers in a single system. TEE subsystem support for protected DMA-bufs, allowing hardware to access memory areas that managed by the kernel but remain inaccessible from the CPU in EL1/EL0" * tag 'soc-drivers-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (139 commits) soc/fsl/qbman: Use for_each_online_cpu() instead of for_each_cpu() soc: fsl: qe: Drop legacy-of-mm-gpiochip.h header from GPIO driver soc: fsl: qe: Change GPIO driver to a proper platform driver tee: fix register_shm_helper() pmdomain: apple: Add "apple,t8103-pmgr-pwrstate" dt-bindings: spmi: Add Apple A11 and T2 compatible serial: qcom-geni: Load UART qup Firmware from linux side spi: geni-qcom: Load spi qup Firmware from linux side i2c: qcom-geni: Load i2c qup Firmware from linux side soc: qcom: geni-se: Add support to load QUP SE Firmware via Linux subsystem soc: qcom: geni-se: Cleanup register defines and update copyright dt-bindings: qcom: se-common: Add QUP Peripheral-specific properties for I2C, SPI, and SERIAL bus Documentation: tee: Add Qualcomm TEE driver tee: qcom: enable TEE_IOC_SHM_ALLOC ioctl tee: qcom: add primordial object tee: add Qualcomm TEE driver tee: increase TEE_MAX_ARG_SIZE to 4096 tee: add TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF tee: add TEE_IOCTL_PARAM_ATTR_TYPE_UBUF tee: add close_context to TEE driver operation ...

soc: qcom: mdt_loader: Remove unused parameter

2025-08-11T15:14:33+00:00

fw_name in qcom_mdt_bins_are_split() seems unused now, it may have used in the past for logging it but due to code refactor this parameter is unused now. Signed-off-by: Mukesh Ojha Reviewed-by: Jeff Johnson Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250807074311.2381713-3-mukesh.ojha@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: mdt_loader: Remove pas id parameter

2025-08-11T15:14:32+00:00

pas id is not used in qcom_mdt_load_no_init() and it should not be used as it is non-PAS specific function and has no relation to PAS specific mechanism. Reviewed-by: Dikshita Agarwal Acked-by: Jeff Johnson # drivers/net/wireless/ath/ath12k/ahb.c Signed-off-by: Mukesh Ojha Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250807074311.2381713-2-mukesh.ojha@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: mdt_loader: Remove unused parameter

2025-08-11T15:14:32+00:00

commit f4e526ff7e38e ("soc: qcom: mdt_loader: Extract PAS operations") move pas specific code from __qcom_mdt_load() to a separate function qcom_mdt_pas_init() after which the pas_init variable became unused in __qcom_mdt_load(). Remove pas_init argument from __qcom_mdt_load(). Reviewed-by: Konrad Dybcio Signed-off-by: Mukesh Ojha Link: https://lore.kernel.org/r/20250807074311.2381713-1-mukesh.ojha@oss.qualcomm.com Signed-off-by: Bjorn Andersson

soc: qcom: mdt_loader: Deal with zero e_shentsize

2025-08-11T02:02:14+00:00

Firmware that doesn't provide section headers leave both e_shentsize and e_shnum 0, which obvious isn't compatible with the newly introduced stricter checks. Make the section-related checks conditional on either of these values being non-zero. Fixes: 9f9967fed9d0 ("soc: qcom: mdt_loader: Ensure we don't read past the ELF header") Reported-by: Val Packett Closes: https://lore.kernel.org/all/ece307c3-7d65-440f-babd-88cf9705b908@packett.cool/ Reported-by: Neil Armstrong Closes: https://lore.kernel.org/all/aec9cd03-6fc2-4dc8-b937-8b7cf7bf4128@linaro.org/ Signed-off-by: Bjorn Andersson Fixes: 9f35ab0e53cc ("soc: qcom: mdt_loader: Fix error return values in mdt_header_valid()") Tested-by: Neil Armstrong # on SM8650-QRD Reviewed-by: Dmitry Baryshkov Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250730-mdt-loader-shentsize-zero-v1-1-04f43186229c@oss.qualcomm.com Signed-off-by: Bjorn Andersson