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path: root/drivers/hwmon
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2007-05-09Add suspend-related notifications for CPU hotplugRafael J. Wysocki
Since nonboot CPUs are now disabled after tasks and devices have been frozen and the CPU hotplug infrastructure is used for this purpose, we need special CPU hotplug notifications that will help the CPU-hotplug-aware subsystems distinguish normal CPU hotplug events from CPU hotplug events related to a system-wide suspend or resume operation in progress. This patch introduces such notifications and causes them to be used during suspend and resume transitions. It also changes all of the CPU-hotplug-aware subsystems to take these notifications into consideration (for now they are handled in the same way as the corresponding "normal" ones). [oleg@tv-sign.ru: cleanups] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08applesmc: Use standard sysfs names for labelsJean Delvare
We have a standard suffix to associate a designation string to a sensor: _label. Use it instead of _position so that libsensors will catch it. (This isn't implemented yet, but should be soon.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08applesmc: Use the address as platform device IDJean Delvare
Let the applesmc device export its address to userspace. libsensors needs this to recognize the device and give it a unique ID. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: (32 commits) Use menuconfig objects - hwmon hwmon/smsc47b397: Use dynamic sysfs callbacks hwmon/smsc47b397: Convert to a platform driver hwmon/w83781d: Deprecate W83627HF support hwmon/w83781d: Use dynamic sysfs callbacks hwmon/w83781d: Be less i2c_client-centric hwmon/w83781d: Clean up conversion macros hwmon/w83781d: No longer use i2c-isa hwmon/ams: Do not print error on systems without apple motion sensor hwmon/ams: Fix I2C read retry logic hwmon: New AD7416, AD7417 and AD7418 driver hwmon/coretemp: Add documentation hwmon: New coretemp driver i386: Use functions from library in msr driver i386: Add safe variants of rdmsr_on_cpu and wrmsr_on_cpu hwmon/lm75: Use dynamic sysfs callbacks hwmon/lm78: Use dynamic sysfs callbacks hwmon/lm78: Be less i2c_client-centric hwmon/lm78: No longer use i2c-isa hwmon: New max6650 driver ...
2007-05-08Merge branch 'master' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits) [POWERPC] Abolish powerpc_flash_init() [POWERPC] Early serial debug support for PPC44x [POWERPC] Support for the Ebony 440GP reference board in arch/powerpc [POWERPC] Add device tree for Ebony [POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now [POWERPC] MPIC U3/U4 MSI backend [POWERPC] MPIC MSI allocator [POWERPC] Enable MSI mappings for MPIC [POWERPC] Tell Phyp we support MSI [POWERPC] RTAS MSI implementation [POWERPC] PowerPC MSI infrastructure [POWERPC] Rip out the existing powerpc msi stubs [POWERPC] Remove use of 4level-fixup.h for ppc32 [POWERPC] Add powerpc PCI-E reset API implementation [POWERPC] Holly bootwrapper [POWERPC] Holly DTS [POWERPC] Holly defconfig [POWERPC] Add support for 750CL Holly board [POWERPC] Generalize tsi108 PCI setup [POWERPC] Generalize tsi108 PHY types ... Fixed conflict in include/asm-powerpc/kdebug.h manually Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08use mutex instead of semaphore in hdaps driverMatthias Kaehlcke
The hdaps driver uses a semaphore as mutex. Use the mutex API instead of the (binary) semaphore. Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Cc: Robert Love <rlove@rlove.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Apple SMC driver (hardware monitoring and control)Nicolas Boichat
This driver provides support for the Apple System Management Controller, which provides an accelerometer (Apple Sudden Motion Sensor), light sensors, temperature sensors, keyboard backlight control and fan control. Only Intel-based Apple's computers are supported (MacBook Pro, MacBook, MacMini). [bunk@stusta.de: make drivers/hwmon/applesmc.c:backlight_work stati] [khali@linux-fr.org: fix temperature attribute file names] Signed-off-by: Nicolas Boichat <nicolas@boichat.ch> Cc: Jean Delvare <khali@linux-fr.org> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Use menuconfig objects - hwmonJan Engelhardt
Change Kconfig objects from "menu, config" into "menuconfig" so that the user can disable the whole feature without having to enter the menu first. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47b397: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of macro-generated functions and shrinks the driver size by a small amount. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47b397: Convert to a platform driverJean Delvare
Convert the smsc47b397 driver from the nonsensical i2c-isa hack to a regular platform driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83781d: Deprecate W83627HF supportJean Delvare
The W83627HF is better supported by the w83627hf driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83781d: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of some of the macro-generated functions and shrinks the driver size significantly (about 9%). Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83781d: Be less i2c_client-centricJean Delvare
Use the driver data structure as the main device reference, instead of the i2c client. It makes the driver a bit smaller, and makes more sense as this is an hybrid driver, supporting both I2C and ISA devices. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83781d: Clean up conversion macrosJean Delvare
* Fix voltage rounding * Drop useless macros * Drop useless casts * Turn macros evaluating their parameters more than once into inline functions * Use signed variables for temperatures Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83781d: No longer use i2c-isaJean Delvare
Reimplement the ISA device support as a platform driver, so that we no longer rely on i2c-isa. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/ams: Do not print error on systems without apple motion sensorOlaf Hering
It is not an error if a system has no ams hardware. Do not clutter dmesg in this case. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Michael Hanselmann <linux-kernel@hansmi.ch> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/ams: Fix I2C read retry logicStelian Pop
Fix sleep and retry logic in ams-i2c. Signed-off-by: Stelian Pop <stelian@popies.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon: New AD7416, AD7417 and AD7418 driverAlessandro Zummo
A driver for the Analog Devices AD7416, AD7417 and AD7418 chips. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon: New coretemp driverRudolf Marek
Add the support for the digital temperature sensor found in recent Intel Core CPUs. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/lm75: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of macro-generated functions and shrinks the driver size by about 8%. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/lm78: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of macro-generated functions and shrinks the driver size significantly (about 10%). Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/lm78: Be less i2c_client-centricJean Delvare
Use the driver data structure as the main device reference, instead of the i2c client. It makes the driver a bit smaller, and makes more sense as this is an hybrid driver, supporting both I2C and ISA devices. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/lm78: No longer use i2c-isaJean Delvare
Reimplement the ISA device support as a platform driver, so that we no longer rely on i2c-isa. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon: New max6650 driverHans-Juergen Koch
This driver supports the Maxim MAX6650 and MAX6651 fan speed monitoring and control chips. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47m1: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of macro-generated functions and shrinks the driver size by about 7%. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47m1: Use DRVNAME consistentlyJean Delvare
Also use pr_info instead of printk. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47m1: Convert to a platform driverJean Delvare
Convert the smsc47m1 driver from the nonsensical i2c-isa hack to a regular platform driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83627hf: Convert to a platform driverJean Delvare
Convert the w83627hf driver from the nonsensical i2c-isa hack to a regular platform driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/w83627hf: Preliminary cleanupsJean Delvare
Some preliminary cleanups to the w83627hf hardware monitoring driver, to make its conversion to a platform driver easier: * Add missing include ioport.h * Drop unused enum value any_chip * Group module parameters * Define and use DRVNAME * Drop unused struct member lm75 * Move the handling of force_addr and device activation to w83627hf_find * Consistently use local type in w83627hf_init_client Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon-vid: Add support for VIA EstherRudolf Marek
Update the VID type for certain VIA processors and remove the Itanium entries. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon: Only call vid_which_vrm() when neededJean Delvare
Some hardware monitoring drivers create the VID/VRM interface files conditionally depending on the chip model or configuration. We should only call vid_which_vrm() when we are actually going to create the files. Not only it is more logical and efficient that way, but it also prevents printing unnecessary warnings such as the one reported here: http://lists.lm-sensors.org/pipermail/lm-sensors/2007-February/018954.html Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47m1: Get rid of a useless mutexJean Delvare
The smsc47m1 driver uses a mutex to protect the accesses to the hardware registers. It really doesn't need any protection, as the register space is flat. Get rid of that mutex for a smaller and faster driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon/smsc47m1: Add support for the LPC47M292Jean Delvare
The new SMSC LPC47M292 Super-I/O chip is a bit different from the previous ones, it supports a 3rd fan, but unfortunately the pin configuration registers are different. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-08hwmon: Request the I/O regions in platform driversJean Delvare
My understanding of the resource management in the Linux 2.6 device driver model is that the devices should declare their resources, and then when a driver attaches to a device, it should request the resources it will be using, so as to mark them busy. This is how the PCI and PNP subsystems work, you can clearly see the two levels of resources (declaration and request) in /proc/ioports for these devices. So I believe that our platform hardware monitoring drivers should follow the same logic. At the moment, we only declare the resources but we do not request them. This patch adds the I/O region request and release calls. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Juerg Haefliger <juergh@gmail.com>
2007-05-08hwmon/smsc47m192: Document the LPC47M292 as supportedJean Delvare
The new SMSC LPC47M292 Super-I/O chip includes a hardware monitoring block which is compatible with those of the LPC47M192. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Hartmut Rick <linux@rick.claranet.de>
2007-05-07[POWERPC] Rename device_is_compatible to of_device_is_compatibleStephen Rothwell
for consistency with other Open Firmware interfaces (and Sparc). This is just a straight replacement. This leaves the compatibility define in place. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-05-02[POWERPC] Rename get_property to of_get_property: driversStephen Rothwell
These are all the remaining instances of get_property. Simple rename of get_property to of_get_property. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-04-30Merge branch 'linux-2.6' into for-2.6.22Paul Mackerras
2007-04-26Revert "[POWERPC] Rename get_property to of_get_property: drivers"Paul Mackerras
This reverts commit d05c7a80cf39ae7d0f8d0c3e47c93d51fcd393d3, which included changes which should go via other subsystem maintainers.
2007-04-24hwmon/w83627ehf: Don't redefine REGION_OFFSETJean Delvare
On ia64, kernel headers define REGION_OFFSET so we can't use that. Reported by Andrew Morton. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-04-17hwmon/w83627ehf: Fix the fan5 clock divider writeJean Delvare
Users have been complaining about the w83627ehf driver flooding their logs with debug messages like: w83627ehf 9191-0a10: Increasing fan 4 clock divider from 64 to 128 or: w83627ehf 9191-0290: Increasing fan 4 clock divider from 4 to 8 The reason is that we failed to actually write the LSB of the encoded clock divider value for that fan, causing the next read to report the same old value again and again. Additionally, the fan number was improperly reported, making the bug harder to find. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-04-13[POWERPC] Rename get_property to of_get_property: driversStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-04-13[POWERPC] get_property returns constStephen Rothwell
This just tidies up some of the remains. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-16[PATCH] hwmon: Build fix for SENSORS_W83793Stefano Brivio
We need vid_which_vrm and vid_from_reg in the w83793 module. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14hwmon/vt1211: Add probing of alternate config index portJuerg Haefliger
The configuration index port of the vt1211 can be accessed at two different addresses 0x2e or 0x4e, depending on pin strappings. This patch adds support to scan both addresses during module initialization. Signed-off-by: Juerg Haefliger <juergh@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-02-14hwmon/f71805f: Fix a race conditionJean Delvare
I think I introduced a potential race condition bug with commit 51c997d80e1f625aea3426a8a9087f5830ac6db3. I didn't realize it back then, but platform_device_put and platform_device_release both appear to free the platform data associated with the device. This makes an explicit kfree redundant at best, and maybe even racy, as it might occur while someone still holds a reference to the platform device. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-02-14hwmon/abituguru: Fix unchecked return statusHans de Goede
Fix an unused return value warning for the abituguru driver. Also make sure the sysfs files are created before we register with the hwmon class, and delete the sysfs files on driver removal. Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-02-14hwmon: New driver for the Analog Devices ADM1029Corentin Labbe
Signed-off-by: Corentin Labbe <corentin.labbe@geomatys.fr> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-02-14hwmon/w83627ehf: Add support for the W83627DHG chipDavid Hubbard
Signed-off-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-02-14hwmon: Use subsys_initcallDavid Brownell
Subsystem infrastructure should normally register with "subsys_initcall", so that it's available to drivers that may need to initialize early. This patch updates "hwmon" to do so. It's common for embedded systems to have multifunction chips with hardware monitoring interfaces, and to have those chips be used during system bringup ... before a normal "module_init" would kick, or maybe just linked so they'd init before hwmon. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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