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2020-03-20dt-bindings: thermal: qcom-tsens: Remove redundant 'maxItems'Rob Herring1-1/+0
There's no need to specify 'maxItems' with the same value as the number of entries in 'items'. A meta-schema update will catch future cases. Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Amit Kucheria <amit.kucheria@linaro.org> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: linux-arm-msm@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: devicetree@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200313214552.845-2-robh@kernel.org
2020-03-20dt-bindings: thermal: sprd: Remove redundant 'maxItems'Rob Herring1-1/+0
There's no need to specify 'maxItems' with the same value as the number of entries in 'items'. A meta-schema update will catch future cases. Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Amit Kucheria <amit.kucheria@verdurent.com> Cc: linux-pm@vger.kernel.org Cc: devicetree@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200313214552.845-1-robh@kernel.org
2020-03-20thermal: imx: Calling imx_thermal_unregister_legacy_cooling() in .removeAnson Huang1-2/+1
imx_thermal_unregister_legacy_cooling() should be used for handling legacy cpufreq cooling cleanups in .remove callback instead of calling cpufreq_cooling_unregister() and cpufreq_cpu_put() directly, especially for !CONFIG_CPU_FREQ scenario, no operation needed for handling legacy cpufreq cooling cleanups at all. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1584088094-24857-1-git-send-email-Anson.Huang@nxp.com
2020-03-20thermal: qoriq: Sort includes alphabeticallyAnson Huang1-3/+2
Sort includes alphabetically for consistency, and take this chance to remove unused include of of_address.h. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583903252-2058-2-git-send-email-Anson.Huang@nxp.com
2020-03-20thermal: qoriq: Use devm_add_action_or_reset() to handle all cleanupsAnson Huang1-21/+14
Use devm_add_action_or_reset() to handle all cleanups of failure in .probe and .remove, then .remove callback can be dropped. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583903252-2058-1-git-send-email-Anson.Huang@nxp.com
2020-03-20thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp()Niklas Söderlund1-10/+6
With the ctemp value returned instead of cached in the private data structure their is no need to take the lock when translating ctemp into a temperature. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200310170029.1648996-4-niklas.soderlund+renesas@ragnatech.se
2020-03-20thermal: rcar_thermal: Do not store ctemp in rcar_thermal_privNiklas Söderlund1-16/+10
There is no need to cache the ctemp value in the private data structure as it's always prefetched before it's used. Remove it from the structure and have rcar_thermal_update_temp return the value instead of storing it. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200310170029.1648996-3-niklas.soderlund+renesas@ragnatech.se
2020-03-20thermal: rcar_thermal: Always update thermal zone on interruptNiklas Söderlund1-12/+1
Since commit a1ade5653804b8eb ("thermal: rcar: check every rcar_thermal_update_temp() return value") the temperature is always read in rcar_thermal_get_current_temp() so comparing it before and after enabling interrupts have little effect. Remove the check and always update the thermal zone when we get an interrupt that the temperature have changed. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200310170029.1648996-2-niklas.soderlund+renesas@ragnatech.se
2020-03-20drivers: thermal: tsens: Remove unnecessary irq flagAmit Kucheria1-1/+1
IRQF_TRIGGER_HIGH is already specified through devicetree interrupts property. Remove it from code. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/8ac92e45b65fe411f4aaf70dcde4e7e7c3169b2d.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: kernel-doc fixupAmit Kucheria1-0/+3
Document ul_lock, threshold and control structure members and make the following kernel-doc invocation happy: $ scripts/kernel-doc -v -none drivers/thermal/qcom/* drivers/thermal/qcom/qcom-spmi-temp-alarm.c:105: info: Scanning doc for qpnp_tm_get_temp_stage drivers/thermal/qcom/tsens-common.c:18: info: Scanning doc for struct tsens_irq_data drivers/thermal/qcom/tsens-common.c:130: info: Scanning doc for tsens_hw_to_mC drivers/thermal/qcom/tsens-common.c:163: info: Scanning doc for tsens_mC_to_hw drivers/thermal/qcom/tsens-common.c:245: info: Scanning doc for tsens_set_interrupt drivers/thermal/qcom/tsens-common.c:268: info: Scanning doc for tsens_threshold_violated drivers/thermal/qcom/tsens-common.c:362: info: Scanning doc for tsens_critical_irq_thread drivers/thermal/qcom/tsens-common.c:438: info: Scanning doc for tsens_irq_thread drivers/thermal/qcom/tsens.h:41: info: Scanning doc for struct tsens_sensor drivers/thermal/qcom/tsens.h:59: info: Scanning doc for struct tsens_ops drivers/thermal/qcom/tsens.h:494: info: Scanning doc for struct tsens_features drivers/thermal/qcom/tsens.h:513: info: Scanning doc for struct tsens_plat_data drivers/thermal/qcom/tsens.h:529: info: Scanning doc for struct tsens_context Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/7ea9c9ead90a91205a3f1717c0c86db9a51780ce.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: Add watchdog supportAmit Kucheria3-0/+71
TSENS IP v2.3 onwards adds support for a watchdog to detect if the TSENS HW FSM is stuck. Add support to detect and restart the FSM in the driver. The watchdog is configured by the bootloader, we just enable the watchdog bark as a debug feature in the kernel. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/a314747664a065db592ad77da7beae68128a5b6e.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: Add critical interrupt supportAmit Kucheria4-36/+223
TSENS IP v2.x adds critical threshold interrupt support for each sensor in addition to the upper/lower threshold interrupt. Add support in the driver. While the critical interrupts themselves aren't currently used by Linux, the HW line is also used by the TSENS watchdog. So this patch acts as infrastructure to enable watchdog functionality for the TSENS IP. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/51b22461d4b5f85a817274568459db4579fd4298.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: Release device in success pathAmit Kucheria1-4/+2
We don't currently call put_device in case of successfully initialising the device. So we hold the reference and keep the device pinned forever. Allow control to fall through so we can use same code for success and error paths to put_device. As a part of this fixup, change devm_ioremap_resource to act on the same device pointer as that used to allocate regmap memory. That ensures that we are free to release op->dev after examining its resources. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/d3996667e9f976bb30e97e301585cb1023be422e.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: use simpler variablesAmit Kucheria1-4/+4
We already dereference the sensor and save it into a variable. Use the variable directly to make the code easier to read. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/5dc4356edfb8dffa377fb561359bf41a6f1fdf17.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: Pass around struct tsens_sensor as a constantAmit Kucheria3-11/+12
All the sensor data is initialised at init time. Lock it down by passing it to functions as a constant. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/740f9254484c08d65869df578628eb523c0049ff.1584015867.git.amit.kucheria@linaro.org
2020-03-20drivers: thermal: tsens: De-constify struct tsens_featuresAmit Kucheria5-16/+16
struct tsens_features is currently initialized as part of platform data at compile-time and not modifiable. We now have some usecases in feature detection across IP versions where it is more flexible to update the features after probing registers. Remove const qualifier from tsens_features and the encapsulating tsens_plat_data. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/2919a72220470366ae11e0bb5330a4ea39838f71.1584015867.git.amit.kucheria@linaro.org
2020-03-20thermal: rcar_thermal: Handle probe error gracefullyNiklas Söderlund1-2/+4
If the common register memory resource is not available the driver needs to fail gracefully to disable PM. Instead of returning the error directly store it in ret and use the already existing error path. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200310114709.1483860-1-niklas.soderlund+renesas@ragnatech.se
2020-03-20thermal: imx: Remove unused includesAnson Huang1-7/+0
Remove unused includes to simplify the code. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583762668-12099-1-git-send-email-Anson.Huang@nxp.com
2020-03-20thermal: rcar_gen3_thermal: Add r8a77961 supportGeert Uytterhoeven1-0/+4
Add support for the Thermal Sensor/Chip Internal Voltage Monitor in the R-Car M3-W+ (R8A77961) SoC. According to the R-Car Gen3 Hardware Manual Errata for Revision 2.00 of Jan 31, 2020, the thermal parameters for R-Car M3-W+ are the same as for R-Car M3-W. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200306105503.24267-3-geert+renesas@glider.be
2020-03-20dt-bindings: thermal: rcar-gen3-thermal: Add r8a77961 supportGeert Uytterhoeven1-0/+1
Document R-Car M3-W+ (R8A77961) SoC bindings. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200306105503.24267-2-geert+renesas@glider.be
2020-03-12thermal: Add COMPILE_TEST support for i.MX8MMAnson Huang1-1/+1
Add COMPILE_TEST support to i.MX8MM thermal driver for better compile testing coverage. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583509057-8197-1-git-send-email-Anson.Huang@nxp.com
2020-03-12thermal: qoriq: Fix a compiling issueYuantian Tang1-0/+1
Qoriq thermal driver is used by both PowerPC and ARM architecture. When built for PowerPC architecture, it reports error: undefined reference to `.__devm_regmap_init_mmio_clk' To fix it, select config REGMAP_MMIO. Fixes: 4316237bd627 (thermal: qoriq: Convert driver to use regmap API) Signed-off-by: Yuantian Tang <andy.tang@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200303084641.35687-1-andy.tang@nxp.com
2020-03-12thermal: Remove COMPILE_TEST for IMX_SC_THERMALAnson Huang1-1/+1
i.MX SCU thermal driver depends on IMX_SCU which does NOT have COMPILE_TEST enabled, so need to remove COMPILE_TEST for i.MX SCU thermal as well. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583222684-10229-2-git-send-email-Anson.Huang@nxp.com
2020-03-12thermal: Fix build warning of !defined(CONFIG_THERMAL_OF)Anson Huang1-1/+1
Add "inline" to thermal_zone_of_get_sensor_id() function to avoid below build warning of !defined(CONFIG_THERMAL_OF). In file included from drivers/hwmon/hwmon.c:22: include/linux/thermal.h:382:12: warning: 'thermal_zone_of_get_sensor_id' defined but not used [-Wunused-function] 382 | static int thermal_zone_of_get_sensor_id(struct device_node *tz_np, Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583222684-10229-1-git-send-email-Anson.Huang@nxp.com
2020-03-12thermal: imx_thermal: Use __maybe_unused instead of CONFIG_PM_SLEEPAnson Huang1-4/+2
Use __maybe_unused for power management related functions instead of #if CONFIG_PM_SLEEP to simplify the code. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583139266-23615-1-git-send-email-Anson.Huang@nxp.com
2020-03-12thermal: imx_sc_thermal: Align imx sc thermal msg structs to 4Anson Huang1-3/+3
The i.MX SCU API strongly assumes that messages are composed out of 4-bytes words but some of our message structs have odd sizeofs, use __packed __aligned(4) to avoid potential oopses. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1583117485-30922-1-git-send-email-Anson.Huang@nxp.com
2020-03-12thermal: ti-soc-thermal: Use GPIO descriptorsLinus Walleij2-33/+15
This switches the TI SoC thermal driver to use GPIO descriptors instead of retrieveing a GPIO number from the device tree and requesting the GPIO separately. Cc: Keerthy <j-keerthy@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200229210532.173430-1-linus.walleij@linaro.org
2020-03-12thermal: Rephrase the Kconfig text for thermalLinus Walleij1-6/+7
The thermal subsystem may have relied on sysfs in 2008 when it was introduced, but these days the thermal zones will more often than not come from the hardware descriptions and not from sysfs. Drop the "Generic" phrases as well: there are no non-generic drivers that I know of, the thermal framework is by definition generic. Reword a bit and fix some grammar. [ Daniel Lezcano ] : fixed Randy's comment s/offers/offer/ Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200229204527.143796-1-linus.walleij@linaro.org
2020-03-12thermal: imx8mm: Add support for i.MX8MM thermal monitoring unitAnson Huang3-0/+142
i.MX8MM has a thermal monitoring unit(TMU) inside, it ONLY has one sensor for CPU, add support for reading immediate temperature of this sensor. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/1582947862-11073-2-git-send-email-Anson.Huang@nxp.com