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* hwmon: (w83627ehf) Fix negative 8-bit temperature valuesJean Delvare2011-10-201-2/+3
| | | | | | | | | | | | Since 8-bit temperature values are now handled in 16-bit struct members, values have to be cast to s8 for negative temperatures to be properly handled. This is broken since kernel version 2.6.39 (commit bce26c58df86599c9570cee83eac58bdaae760e4.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org # 2.6.39+ Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (w83627ehf) Properly report thermal diode sensorsJean Delvare2011-10-141-4/+11
| | | | | | | | | | | | | | | | The w83627ehf driver is improperly reporting thermal diode sensors as type 2, instead of 3. This caused "sensors" and possibly other monitoring tools to report these sensors as "transistor" instead of "thermal diode". Furthermore, diode subtype selection (CPU vs. external) is only supported by the original W83627EHF/EHG. All later models only support CPU diode type, and some (NCT6776F) don't even have the register in question so we should avoid reading from it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) Avoid leaving around dangling pointerGuenter Roeck2011-09-281-0/+1
| | | | | | | | | | Storing the struct temp_data pointer allocated from create_core_data() when returning an error has the potential of leaving around a pointer to freed memory. Reset it to NULL for error returns. Reported-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (coretemp) Fixup platform device ID changeJean Delvare2011-09-281-15/+12
| | | | | | | | | | | | | | | With recent change "hwmon: (coretemp) don't use kernel assigned CPU number as platform device ID", the microcode check is now running on random CPU. Fix that by checking the microcode before creating the platform device rather than at probe time. Also avoid calling TO_PHYS_ID(cpu) twice in the same function, it's expensive. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Jan Beulich <jbeulich@suse.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) remove struct platform_data * parameter from ↵Jan Beulich2011-09-231-6/+3
| | | | | | | | | | | create_core_data() The only caller of the function obtained the pointer solely for the purpose of passing it to this function, while it can be easily determined from the struct platform_device * parameter also passed. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) constify static dataJan Beulich2011-09-231-2/+2
| | | | | | | | These arrays won't ever be written to, so protect them from unintentional modification. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) don't use kernel assigned CPU number as platform device IDJan Beulich2011-09-231-2/+2
| | | | | | | | | ... as that has the potential to conflict with (particularly soft) CPU hot removal and re-adding. Signed-off-by: Jan Beulich <jbeulich@suse.com> [guenter.roeck@ericsson.com: use platform device ID as physical CPU id] Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (ds620) Fix handling of negative temperaturesRoland Stigge2011-09-221-1/+1
| | | | | | | | Signed (negative) temperatures were not handled correctly. Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org # v2.6.38+
* hwmon: (w83791d) rename prototype parameter from 'register' to 'reg'Chris Peterson2011-09-221-2/+2
| | | | | | | | | | | gcc -Wextra warns "register is not at beginning of declaration" because the compiler thinks the parameter has been marked as a 'register' variable, but the function prototype intended to name the parameter "register" (which is a reserved keyword). Signed-off-by: Chris Peterson <cpeterso@cpeterso.com> Acked-by: Marc Hulsman <m.hulsman@tudelft.nl> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) Don't use threshold registers for tempX_maxGuenter Roeck2011-09-221-121/+14
| | | | | | | | | | | | | | | | | | | | | | | | | With commit c814a4c7c4aad795835583344353963a0a673eb0, the meaning of tempX_max was changed. It no longer returns the value of bits 8:15 of MSR_IA32_TEMPERATURE_TARGET, but instead returns the value of CPU threshold register T1. tempX_max_hyst was added to reflect the value of temperature threshold register T0. As it turns out, T0 and T1 are used on some systems, presumably by the BIOS. Also, T0 and T1 don't have a well defined meaning. The thresholds may be used as upper or lower limits, and it is not guaranteed that T0 <= T1. Thus, the new attribute mapping does not reflect the actual usage of the threshold registers. Also, register contents are changed during runtime by an entity other than the hwmon driver, meaning the values cached by the driver do not reflect actual register contents. Revert most of c814a4c7c4aad795835583344353963a0a673eb0 to address the problem. Support for T0 and T1 will be added back in with a separate commit, using new attribute names. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (coretemp) Let the user force TjMaxJean Delvare2011-09-221-0/+15
| | | | | | | | | | | | | | | On old CPUs (and even some recent Atom CPUs) TjMax can't be read from the CPU registers, so it is guessed by the driver using a complex heuristic which isn't reliable. So let users who know their CPU's TjMax pass it as a module parameter. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: "R, Durgadoss" <durgadoss.r@intel.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) Drop duplicate function get_pkg_tjmaxJean Delvare2011-09-221-22/+4
| | | | | | | | | | | | | | | | | Function get_pkg_tjmax is a simplified copy of get_tjmax. Drop it and always use get_tjmax, result is the same and this avoids code duplication. Also make get_tjmax less verbose: don't warn about MSR read failure when failure was expected, and don't report TjMax in the logs unless debugging is enabled. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Durgadoss R <durgadoss.r@intel.com> Acked-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (coretemp) Initialize tminJean Delvare2011-09-141-1/+6
| | | | | | | | | | | | | | ttarget is initialized when the driver is loaded, but tmin is not. As a result, tempX_max_hyst attributes read 0. Fix this. Also use THERM_*_THRESHOLD* constants in these initializations instead of hard-coding the constants. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: "R, Durgadoss" <durgadoss.r@intel.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (pmbus) Fix low limit temperature alarmsGuenter Roeck2011-09-131-1/+8
| | | | | | | | | | | | | | | Temperature alarms are detected by checking the alarm bit and comparing temperature limits against the current temperature. For low limits, this comparison needs to be reversed (temp < limit instead of temp > limit). This was not taken into account, resulting in wrong alarms if a temperature fell below a low limit. Fix by adding a low limit flag in the limit data structure. When creating the sensor entry, the order of registers to compare is now reversed for low limits. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org # 3.0+
* hwmon: (ucd9000/ucd9200) Optimize array walkJean Delvare2011-09-062-8/+4
| | | | | | | | | | | Rewrite the loop walking the id array during probe. The new code is better adapted to a null-terminated array, and is also clearer and more efficient than the original. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Axel Lin <axel.lin@gmail.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (max16065) Fix current calculationGuenter Roeck2011-09-061-1/+1
| | | | | | | | Current calculation is completely wrong. Add missing brackets to fix it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org # 3.0+
* hwmon: (i5k_amb) Drop i5k_channel_pci_idJean Delvare2011-08-241-28/+14
| | | | | | | | | | Function i5k_channel_pci_id looks like it can fail, while a better code design would make it more obvious that it can't. We can even get rid of the function. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (ntc_thermistor) Simplify if sequenceGuenter Roeck2011-08-221-2/+1
| | | | | | | | | | | | | | | | | | | | Replace unnecessary if with else statement. This fixes the following (false) compile warning reported with some combinations of C compiler version and configuration. drivers/hwmon/ntc_thermistor.c: In function 'ntc_show_temp': drivers/hwmon/ntc_thermistor.c:225: warning: 'low' may be used uninitialized in this function drivers/hwmon/ntc_thermistor.c:225: note: 'low' was declared here drivers/hwmon/ntc_thermistor.c:225: warning: 'high' may be used uninitialized in this function drivers/hwmon/ntc_thermistor.c:225: note: 'high' was declared here drivers/hwmon/ntc_thermistor.c:294: warning: 'temp' may be used uninitialized in this function Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (ibmaem) add missing kfreeJulia Lawall2011-08-111-5/+10
| | | | | | | | | | rs_resp is dynamically allocated in aem_read_sensor(), so it should be freed before exiting in every case. This collects the kfree and the return at the end of the function. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org # 2.6.27+
* hwmon: (pmbus/lm25066) Ignore byte writes to non-zero pagesGuenter Roeck2011-08-111-0/+12
| | | | | | | | | | | | | | pmbus_clear_faults() attempts to clear faults on non-existing real pages. As a result, the command error bit in the status register is set, and faults are not really cleared. All byte writes to non-zero pages are requests to clear the status register on that page. Since non-zero pages are virtual and do not exist on the chip, there is nothing to do, and such requests have to be ignored. This fixes above problem. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
* hwmon: (pmbus) Virtualize pmbus_write_byteGuenter Roeck2011-08-112-1/+20
| | | | | | | | With virtual pages and to be able to handle more chips, it is necessary to virtualise pmbus_write_byte(). Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
* Merge branch 'hwmon-for-linus' of ↵Linus Torvalds2011-07-3020-281/+2792
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: (24 commits) hwmon: (lm90) Refactor reading of config2 register hwmon: (lm90) Make SA56004 detection more robust hwmon: (lm90) Simplify handling of extended local temp register hwmon: (pmbus) Add client driver for LM25066, LM5064, and LM5066 hwmon: (max34440) Add support for peak attributes hwmon: (max8688) Add support for peak attributes hwmon: (max16064) Add support for peak attributes hwmon: (adm1275) Add support for peak attributes hwmon: (pmbus) Add support for peak attributes hwmon: Add new attributes to sysfs ABI hwmon: (pmbus) Strengthen check for status register existence hwmon: (pmbus) Add support for virtual pages hwmon: (pmbus) Support reading and writing of word registers in device specific code hwmon: (pmbus) Increase attribute name size hwmon: (pmbus) Add ADP4000, NCP4200 and NCP4208 to list of supported devices hwmon: (pmbus) Add support for VID output voltage mode hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbus hwmon: (coretemp) Add core/pkg threshold support to Coretemp hwmon: (lm95241) Add support for LM95231 hwmon: LM95245 driver ...
| * hwmon: (lm90) Refactor reading of config2 registerJean Delvare2011-07-291-19/+6
| | | | | | | | | | | | | | | | | | | | Several vendors implement a second configuration register, which we check during device detection. Refactor the code to avoid duplication. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Stijn Devriendt <sdevrien@cisco.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (lm90) Make SA56004 detection more robustJean Delvare2011-07-291-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | With a device ID register value of 0, the SA56004 detection is rather weak. Check several other register too to confirm the detection, as we do for other supported devices. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Stijn Devriendt <sdevrien@cisco.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Stijn Devriendt <sdevrien@cisco.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (lm90) Simplify handling of extended local temp registerJean Delvare2011-07-291-15/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | The optional extended local temperature register can never have address 0, as this address is already used by another register. Thus we can get rid of flag LM90_HAVE_LOCAL_EXT and simply rely on reg_local_ext being non-zero to determine if a given chip has this extension or not. This makes the code more simple. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Stijn Devriendt <sdevrien@cisco.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (pmbus) Add client driver for LM25066, LM5064, and LM5066Guenter Roeck2011-07-295-1/+354
| | | | | | | | | | | | | | PMBus client driver supporting National Semiconductor LM25066, LM5064, and LM5066. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (max34440) Add support for peak attributesGuenter Roeck2011-07-291-0/+63
| | | | | | | | | | | | | | | | Add support for voltage, current, and temperature peak (historic maximum) attributes. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (max8688) Add support for peak attributesGuenter Roeck2011-07-291-0/+61
| | | | | | | | | | | | | | Add support for voltage, current, and temperature peak (historic maximum) attributes. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (max16064) Add support for peak attributesGuenter Roeck2011-07-291-0/+51
| | | | | | | | | | | | | | Add support for voltage and temperature peak (historic maximum) attributes. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (adm1275) Add support for peak attributesGuenter Roeck2011-07-291-0/+60
| | | | | | | | | | | | | | Add support for voltage and current peak (historic maximum) attributes. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Add support for peak attributesGuenter Roeck2011-07-292-15/+163
| | | | | | | | | | | | | | | | | | | | | | | | | | Most PMBus devices provide manufacturer specific commands to read low and/or high peak values for some or all of its sensors. To support providing those values as lowest/highest attributes to the user, introduce virtual PMBus commands. Those commands reside outside the normal command set and have to be implemented in device specific code, which map the virtual commands to device specific commands. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Strengthen check for status register existenceGuenter Roeck2011-07-291-21/+23
| | | | | | | | | | | | | | | | | | | | With virtual register page support, it is now possible that the status register on virtual pages does not exist or is itself virtual. To take this into account when creating alarm attributes, generate those attributes only if the status register on the respective page is known to exist. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Add support for virtual pagesGuenter Roeck2011-07-292-28/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some PMBus chips have non-standard sensor registers. An easy way to support such sensors is to introduce virtual pages and map the non-standard registers into standard registers on an extra page. For this to work, the code verifying if the configured number of pages exists has to be removed. Since a wrong number of pages can only be configured in a front-end driver, this should not have a practical impact since the resulting errors should be found during development and testing. Also, functions to read the chip status while checking if a command register exists must be modified to no longer set the page register before reading the status, since the physical page associated with the checked register may not exist. This does not make a functional difference since the page was already set when the attempt to read the register was made. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Support reading and writing of word registers in device ↵Guenter Roeck2011-07-292-6/+50
| | | | | | | | | | | | | | | | | | | | | | specific code Some PMBus devices use non-standard registers for some of the sensors and/or limits. To support such devices, add code to support reading and writing of word size registers in device specific code. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Increase attribute name sizeGuenter Roeck2011-07-291-4/+6
| | | | | | | | | | | | | | | | | | Some hwmon sysfs attributes have a length of 20 bytes (plus terminating 0). I2C_NAME_SIZE is defined as 20 and thus can not be used to define the length of hwmon sysfs attributes. Replace it with PMBUS_NAME_SIZE, set to 24. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Add ADP4000, NCP4200 and NCP4208 to list of supported devicesGuenter Roeck2011-07-292-2/+5
| | | | | | | | | | | | | | | | | | Add ADP4000, NCP4200 and NCP4208 to the list of devices supported by the generic PMBus driver, and add device IDs to enable explicit instantiation. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
| * hwmon: (pmbus) Add support for VID output voltage modeGuenter Roeck2011-07-297-34/+105
| | | | | | | | | | | | | | | | | | | | | | | | In VID mode, output voltages are measured and reported as VID values, and have to be converted to voltages using VID conversion tables or functions. Support is added for VR11 only at this time. This patch enables support for PMBus devices supporting VID VR11 based output voltage selection such as NCP4200 and NCP4208. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbusGuenter Roeck2011-07-2813-95/+104
| | | | | | | | | | | | | | | | Since the number of PMBus drivers is getting large, move them into directory drivers/hwmon/pmbus to improve readability and scalability. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
| * hwmon: (coretemp) Add core/pkg threshold support to CoretempDurgadoss R2011-07-281-45/+132
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the core and pkg support to coretemp. These thresholds can be configured via the sysfs interfaces tempX_max and tempX_max_hyst. An interrupt is generated when CPU temperature reaches or crosses above tempX_max OR drops below tempX_max_hyst. This patch is based on the documentation in IA Manual vol 3A, that can be downloaded from here: http://download.intel.com/design/processor/manuals/253668.pdf Signed-off-by: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (lm95241) Add support for LM95231Guenter Roeck2011-07-282-14/+22
| | | | | | | | | | | | | | | | LM95231 is fully compatible to LM95241; only necessary change is to add chip detection. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
| * hwmon: LM95245 driverAlexander Stein2011-07-283-0/+553
| | | | | | | | | | | | | | | | A hwmon driver for the National Semiconductor LM95245 dual temperature sensors chip. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (lm90) Add support for Philips SA56004Stijn Devriendt2011-07-282-4/+38
| | | | | | | | | | | | | | Add support for Philips SA56004, an LM86 compatible temperature sensor. Signed-off-by: Stijn Devriendt <sdevrien@cisco.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: Driver for NTC ThermistorsDonggeun Kim2011-07-283-0/+468
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for NTC Thermistor series. In this release, the following thermistors are supported: NCP15WB473, NCP18WB473, NCP03WB473, and NCP15WL333. This driver is based on the datasheet of MURATA. The driver in the patch does conversion from the raw ADC value (either voltage or resistence) to temperature. In order to use voltage values as input, the circuit schematics should be provided with the platform data. A compensation table for each type of thermistor is provided for the conversion. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: KyungMin Park <kyungmin.park@samsung.com> Reviewed-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * hwmon: (max1668) Add support for tempX_fault attributesGuenter Roeck2011-07-281-4/+26
| | | | | | | | | | | | | | | | | | | | MAX1668 and compatibles have several external temperature sensors, but only a single FAULT status bit. If a fault occurs, the temperature reported on the affected sensors is 127 degrees C. Use this knowledge to report fault on external sensors. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
| * hwmon: Driver for MAX1668David George2011-07-283-0/+491
| | | | | | | | | | | | | | | | This patch adds support for MAX1668 and compatible temperature sensors. Signed-off-by: David George <david.george@ska.ac.za> [guenter.roeck@ericsson.com: minor cleanup of probe error path] Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* | atomic: use <linux/atomic.h>Arun Sharma2011-07-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'hwmon-for-linus' of ↵Linus Torvalds2011-07-2512-466/+1243
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (lm78) Become the maintainer hwmon: (lm78) Make ISA interface depend on CONFIG_ISA hwmon: (lm78) Avoid forward declarations hwmon: (sht15) Correct a comment mistake hwmon: (max1111) Avoid extra memory allocations hwmon: (it87) Add chassis intrusion detection support hwmon: (via-cputemp) Add VID reporting support hwmon-vid: Add support for VIA family 6 model D CPU hwmon: New driver sch5636 hwmon: (sch5627) Factor out some code shared with sch5636 driver
| * | hwmon: (lm78) Become the maintainerJean Delvare2011-07-251-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Declare myself the maintainer of the lm78 driver. I still have a running system with one of these chips. Also count myself as a co-author of the driver. With 34 commits over 6 years, it seems fair. Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | hwmon: (lm78) Make ISA interface depend on CONFIG_ISAJean Delvare2011-07-251-19/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should only include support for the ISA interface of the LM78/LM79 if CONFIG_ISA is set. Not only this makes the driver somewhat smaller on most architectures, but this also avoids poking at random I/O ports on these architectures. This is very similiar to what was done for the w83781d driver in October 2008. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Dean Nelson <dnelson@redhat.com>
| * | hwmon: (lm78) Avoid forward declarationsJean Delvare2011-07-251-107/+98
| | | | | | | | | | | | | | | | | | | | | | | | Move code around to avoid several forward declarations. Also group ISA-related functions together, to make future changes easier. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Dean Nelson <dnelson@redhat.com>
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