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2013-05-18drivers/thermal: don't check resource with devm_ioremap_resourceWolfram Sang3-19/+0
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-04-27Merge branch 'cpu_cooling-doc-comments-update' of .git into nextZhang Rui1-21/+29
2013-04-27thermal: db8500_cpufreq_cooling: remove usage of IS_ERR_OR_NULL()Eduardo Valentin1-1/+1
This patch changes the driver to avoid the usage of IS_ERR_OR_NULL() macro. This macro can lead to dangerous results, like returning success (0) during a failure scenario (NULL pointer handling). The case present in this driver can be translated to a simple check for IS_ERR(), as the cpufreq_cooling_register() returns either a valid pointer or an ERR_PTR(). Cc: Zhang Rui <rui.zhang@intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Hongbo Zhang <hongbo.zhang@stericsson.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: thermal_core: remove usage of IS_ERR_OR_NULLEduardo Valentin1-1/+1
This patch changes the driver to avoid the usage of IS_ERR_OR_NULL() macro. This macro can lead to dangerous results, like returning success (0) during a failure scenario (NULL pointer handling). The case present in this patch has simply be translated to normal check for NULL and if the pointer has an error code. The later case is needed because functions like thermal_zone_get_zone_by_name() could return an ERR_PTR(). Cc: Zhang Rui <rui.zhang@intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: alignment improvementsEduardo Valentin1-10/+9
Improve code readiness by changing alignments so that they match open parenthesis, like checkpatch.pl --strict suggests. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: remove checkpatch.pl warningEduardo Valentin1-1/+1
Simple code style fix. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: remove trailing blank lineEduardo Valentin1-1/+0
Remove unnecessary blank line. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: align on open parenthesisEduardo Valentin1-1/+2
Improve code readiness by remove checkpatch.pl warnings on get_property function. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: standardize comment styleEduardo Valentin1-6/+4
There are at least three patterns for oneline comments in this file. This patch changes them to one single pattern Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: standardize end of functionEduardo Valentin1-0/+12
Just for code readiness, this patch makes all functions on this file to have a blank line before their returns. Now, some functions follow this pattern, and others will not have a blank line. So, this patch makes it a single pattern. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-27thermal: cpu_cooling: remove trailing white spacesEduardo Valentin1-2/+1
Remove unnecessary white spaces. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25Merge branch 'cpu_cooling-doc-comments-update' of .git into nextZhang Rui2-25/+87
2013-04-25Merge branch 'thermal_core-doc-comments-update' of .git into nextZhang Rui1-23/+57
2013-04-25thermal: update kernel-doc for thermal_zone_device_registerEduardo Valentin1-1/+8
This patch updates the documentation for thermal_zone_device_register and removes the warnings generated by scripts/kernel-doc -v. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: update kernel-doc for create_trip_attrsEduardo Valentin1-1/+6
This patch updates the documentation for create_trip_attrs and removes the warnings generated by scripts/kernel-doc -v. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: update kernel-doc for thermal_cooling_device_registerEduardo Valentin1-1/+8
This patch updates the documentation for thermal_cooling_device_register and removes the warnings generated by scripts/kernel-doc -v. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: update kernel-doc for thermal_zone_unbind_cooling_deviceEduardo Valentin1-3/+8
This patch updates the documentation for thermal_zone_unbind_cooling_device and removes the warnings generated by scripts/kernel-doc -v. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: update kernel-doc for thermal_zone_bind_cooling_deviceEduardo Valentin1-3/+13
This patch updates the documentation for thermal_zone_bind_cooling_device and removes the warnings generated by scripts/kernel-doc -v. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: use EXPORT_SYMBOL_GPLEduardo Valentin1-9/+9
Restrict usage of GPL modules. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: rename notify_thermal_framework to thermal_notify_frameworkEduardo Valentin1-3/+3
To follow the prefix names used by the thermal functions, this patch renames notify_thermal_framework to thermal_notify_framework. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: update driver licenseEduardo Valentin1-1/+1
As per the comment at the top of this file, this is a GPLv2 driver. This patch updates the driver license accordingly. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: use strlcpy instead of strcpyEduardo Valentin1-2/+2
For memory boundaries safety, use strlcpy instead of strcpy. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: remove unused symbolsEduardo Valentin1-5/+1
The list is not needed so far. Thus removing it. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: remove not needed curl bracketsEduardo Valentin1-2/+2
Just for style purposes, remove extra curl brackets. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: use snprintf instead of sprintfEduardo Valentin1-1/+2
Limit the amount of bytes written to dev_name by secure writing with snprintf. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update kernel-doc comment for cpufreq_cooling_unregisterEduardo Valentin1-0/+2
Update comments for this exported function. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update kernel-doc for cpufreq_cooling_registerEduardo Valentin1-0/+7
Add proper documentation for exported function cpufreq_cooling_register. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update documentation for cpufreq_set_cur_stateEduardo Valentin1-0/+5
Update documentation for cpufreq_set_cur_state callback. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update documentation for cpufreq_get_cur_stateEduardo Valentin1-0/+5
Update documentation for cpufreq_get_cur_state callback. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update documentation for cpufreq_get_max_stateEduardo Valentin1-0/+5
Update documentation for cpufreq_get_max_state callback. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update Kconfig entryEduardo Valentin1-2/+3
There is no support for hotplug or any other means of reducing temperature. So, this patch removes these references from Kconfig. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update documentation for cpufreq_thermal_notifierEduardo Valentin1-0/+6
Update kernel-doc comment and documentation for cpufreq_thermal_notifier. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: update documentation for cpufreq_apply_coolingEduardo Valentin1-0/+6
Update kernel-doc comments for cpufreq_apply_cooling function. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: improve documentation for get_cpu_frequencyEduardo Valentin1-1/+7
Fix kernel-doc warning on get_cpu_frequency and improve documentation comments. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: document cpufreq_get_cooling_levelEduardo Valentin1-0/+11
Add documentation for cpufreq_get_cooling_level. As this is an exported function, it has to be documented. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: add documentation for get_propertyEduardo Valentin1-3/+11
As this is one of the central functions of this file, it deserves a proper documentation. This patch improves the existing comment to format it as a kernel-doc style. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: fix kernel doc for is_cpufreq_validEduardo Valentin1-1/+7
Update documentation for is_cpufreq_valid function so that kernel-doc does not complain about return value. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: remove compiler warningEduardo Valentin1-1/+1
level will be used only if GET_FREQ mode is requested. There is no potential harm with current code. But for cleaning the compilation log, this patch initializes level to zero. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: use EXPORT_SYMBOL_GPLEduardo Valentin1-4/+3
Restrict the usage to GPL modules. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: fix kernel_doc for cpufreq_cooling_deviceEduardo Valentin1-3/+3
Simple fixes for making kernel_doc happy about struct cpufreq_cooling_device. Includes also a minor spelling fix. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25thermal: cpu_cooling: remove unused headersEduardo Valentin1-2/+0
Remove some unused header files. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-25Merge branch 'exynos-fix' of .git into nextZhang Rui1-3/+11
2013-04-24Thermal: exynos: Add compatible string for exynos4412Sachin Kamat1-0/+4
Added compatible string for Exynos4412 SoC. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Amit Daniel Kachhap <amit.daniel@samsung.com> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-24Thermal: exynos: Add clk_{un}prepare APIsSachin Kamat1-3/+7
clk_{un}prepare APIs are required to migrate to common clock framework. While at it convert to use devm_clk_get as it removes some cleanup code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Amit Daniel Kachhap <amit.daniel@samsung.com> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-24Merge branch 'eduardo-1' of .git into nextZhang Rui1-3/+55
2013-04-17Thermal: cpufreq cooling: endian bug in cpufreq_get_max_state()Dan Carpenter1-2/+2
This code doesn't work on big endian systems because we're storing low values in the high bits of the unsigned long. It makes it a very high value instead. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-15thermal: expose thermal_zone_get_temp APIEduardo Valentin1-3/+17
This patch exports the thermal_zone_get_temp API so that driver writers can fetch temperature of thermal zones managed by other drivers. Acked-by: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-15thermal: introduce thermal_zone_get_zone_by_name helper functionEduardo Valentin1-0/+38
This patch adds a helper function to get a reference of a thermal zone, based on the zone type name. It will perform a zone name lookup and return a reference to a thermal zone device that matches the name requested. In case the zone is not found or when several zones match same name or if the required parameters are invalid, it will return the corresponding error code (ERR_PTR). Cc: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2013-04-15Merge branch 'thermal' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux into nextZhang Rui11-243/+536
Conflicts: drivers/thermal/cpu_cooling.c
2013-04-14Thermal: build cpu_cooling code into thermal_sys moduleZhang Rui2-2/+2
Signed-off-by: Zhang Rui <rui.zhang@intel.com> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Durgadoss R <durgadoss.r@intel.com>
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