kernel/drivers/thermal/qcom/lmh.c, branch linux-rolling-stable

drivers/thermal/qcom/lmh: Fix incorrect error message

2025-09-25T20:10:59Z

It was showing wrong error message as ARM threshold thremal trip for setting LOW threshold thermal trip. Fix this incorrect error message for setting LOW threshold thermal trip. Reviewed-by: Konrad Dybcio Signed-off-by: Sumeet Pawnikar Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20250710175426.5789-1-sumeet4linux@gmail.com

thermal/drivers/qcom/lmh: Add missing IRQ includes

2025-09-25T20:10:59Z

As reported by LKP, the Qualcomm LMH driver needs to include several IRQ-related headers, which decrlare necessary IRQ functionality. Currently driver builds on ARM64 platforms, where the headers are pulled in implicitly by other headers, but fails to build on other platforms. Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202507270042.KdK0KKht-lkp@intel.com/ Signed-off-by: Dmitry Baryshkov Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20250728-lmh-scm-v2-2-33bc58388ca5@oss.qualcomm.com

thermal: Use dev_fwnode()

2025-07-15T13:33:02Z

irq_domain_create_simple() takes fwnode as the first argument. It can be extracted from the struct device using dev_fwnode() helper instead of using of_node with of_fwnode_handle(). So use the dev_fwnode() helper. Signed-off-by: Jiri Slaby (SUSE) Cc: Amit Kucheria Cc: Thara Gopinath Cc: Rafael J. Wysocki Cc: Daniel Lezcano Cc: Zhang Rui Cc: Lukasz Luba Cc: Thierry Reding Cc: Jonathan Hunter Cc: linux-arm-msm@vger.kernel.org Cc: linux-tegra@vger.kernel.org Link: https://lore.kernel.org/r/20250611104348.192092-20-jirislaby@kernel.org Signed-off-by: Daniel Lezcano

thermal: Switch to irq_domain_create_linear()

2025-05-16T19:06:11Z

irq_domain_add_linear() is going away as being obsolete now. Switch to the preferred irq_domain_create_linear(). That differs in the first parameter: It takes more generic struct fwnode_handle instead of struct device_node. Therefore, of_fwnode_handle() is added around the parameter. Note some of the users can likely use dev->fwnode directly instead of indirect of_fwnode_handle(dev->of_node). But dev->fwnode is not guaranteed to be set for all, so this has to be investigated on case to case basis (by people who can actually test with the HW). [ tglx: Fixed up subject prefix ] Signed-off-by: Jiri Slaby (SUSE) Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20250319092951.37667-39-jirislaby@kernel.org

thermal/drivers/qcom/lmh: Remove false lockdep backtrace

2024-11-04T14:38:29Z

Annotate LMH IRQs with lockdep classes so that the lockdep doesn't report possible recursive locking issue between LMH and GIC interrupts. For the reference: CPU0 ---- lock(&irq_desc_lock_class); lock(&irq_desc_lock_class); *** DEADLOCK *** Call trace: dump_backtrace+0x98/0xf0 show_stack+0x18/0x24 dump_stack_lvl+0x90/0xd0 dump_stack+0x18/0x24 print_deadlock_bug+0x258/0x348 __lock_acquire+0x1078/0x1f44 lock_acquire+0x1fc/0x32c _raw_spin_lock_irqsave+0x60/0x88 __irq_get_desc_lock+0x58/0x98 enable_irq+0x38/0xa0 lmh_enable_interrupt+0x2c/0x38 irq_enable+0x40/0x8c __irq_startup+0x78/0xa4 irq_startup+0x78/0x168 __enable_irq+0x70/0x7c enable_irq+0x4c/0xa0 qcom_cpufreq_ready+0x20/0x2c cpufreq_online+0x2a8/0x988 cpufreq_add_dev+0x80/0x98 subsys_interface_register+0x104/0x134 cpufreq_register_driver+0x150/0x234 qcom_cpufreq_hw_driver_probe+0x2a8/0x388 platform_probe+0x68/0xc0 really_probe+0xbc/0x298 __driver_probe_device+0x78/0x12c driver_probe_device+0x3c/0x160 __device_attach_driver+0xb8/0x138 bus_for_each_drv+0x84/0xe0 __device_attach+0x9c/0x188 device_initial_probe+0x14/0x20 bus_probe_device+0xac/0xb0 deferred_probe_work_func+0x8c/0xc8 process_one_work+0x20c/0x62c worker_thread+0x1bc/0x36c kthread+0x120/0x124 ret_from_fork+0x10/0x20 Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver") Cc: stable@vger.kernel.org Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20241011-lmh-lockdep-v1-1-495cbbe6fef1@linaro.org Signed-off-by: Daniel Lezcano

thermal/drivers/qcom/lmh: Check for SCM availability at probe

2024-04-23T10:40:29Z

Up until now, the necessary scm availability check has not been performed, leading to possible null pointer dereferences (which did happen for me on RB1). Fix that. Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver") Cc: Reviewed-by: Dmitry Baryshkov Reviewed-by: Bjorn Andersson Signed-off-by: Konrad Dybcio Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20240308-topic-rb1_lmh-v2-2-bac3914b0fe3@linaro.org

firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/

2023-02-09T03:15:16Z

Move include/linux/qcom_scm.h to include/linux/firmware/qcom/qcom_scm.h. This removes 1 of a few remaining Qualcomm-specific headers into a more approciate subdirectory under include/. Suggested-by: Bjorn Andersson Signed-off-by: Elliot Berman Reviewed-by: Guru Das Srinagesh Acked-by: Mukesh Ojha Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230203210956.3580811-1-quic_eberman@quicinc.com

thermal/drivers/qcom/lmh: Fix irq handler return value

2022-12-14T14:25:41Z

After enough invocations the LMh irq is eventually reported as bad, because the handler doesn't return IRQ_HANDLED, fix this. Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver") Reported-by: Daniel Lezcano Signed-off-by: Bjorn Andersson Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20220316180322.88132-1-bjorn.andersson@linaro.org Signed-off-by: Daniel Lezcano

thermal/drivers/qcom/lmh: Add sc8180x compatible

2022-05-19T10:11:52Z

The LMh instances in the Qualcomm SC8180X platform looks to behave similar to those in SM8150, add additional compatibles to allow platform specific behavior to be added if needed. Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220502164504.3972938-1-bjorn.andersson@linaro.org Signed-off-by: Daniel Lezcano

thermal/drivers/qcom/lmh: Add support for sm8150

2022-03-08T20:26:09Z

Add compatible to support LMh for sm8150 SoC. sm8150 does not require explicit enabling for various LMh subsystems. Add a variable indicating the same as match data which is set for sdm845. Execute the piece of code enabling various LMh subsystems only if enable algorithm match data is present. Signed-off-by: Thara Gopinath Reviewed-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220106173138.411097-2-thara.gopinath@linaro.org Signed-off-by: Daniel Lezcano