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2011-05-25hwmon: (abituguru) Depend on DMIJean Delvare3-18/+2
The abituguru drivers are only built on X86, where DMI support is now enabled by default. So let these drivers depend on DMI, for the following gains: * Robustness and safety. Detection of these devices is weak and uses non-standard methods, it should really be limited to Abit boards unless the user explicitly asks otherwise. * Code simplicity. The code is easier to read without ifdefs. * Better build testing coverage. Now there's only one way to build the drivers, so no risk of build failure on exotic systems. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Alistair John Strachan <alistair@devzero.co.uk> Acked-by: Hans de Goede <hdegoede@redhat.com>
2011-05-25hwmon: (it87) Use request_muxed_regionNat Gurumoorthy1-12/+19
Serialize access to the hardware by using "request_muxed_region" macro defined by Alan Cox. Call to this macro will hold off the requestor if the resource is currently busy. "superio_enter" will return an error if call to "request_muxed_region" fails. Rest of the code change is to ripple an error return from superio_enter to the top level. Signed-off-by: Nat Gurumoorthy <natg@google.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: (sch5627) Trigger Vbat measurementsHans de Goede1-1/+22
The sch5627 needs to be explicitly told to start an adc conversion for Vbat, once in a while. Without this Vbat may read 0, and will never get updated. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: (sch5627) Add sch5627_send_cmd functionHans de Goede1-4/+19
This patch generalizes sch5627_read_virtual_reg so that it can be used to write virtual regs too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Sigend-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25i8k: Integrate with the hwmon subsystemJean Delvare2-0/+163
Let i8k create an hwmon class device so that libsensors will expose the CPU temperature and fan speeds to monitoring applications. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Massimo Dal Zotto <dz@debian.org>
2011-05-25hwmon: (max6650) Properly support the MAX6650Jean Delvare2-10/+36
The MAX6650 has only one fan input. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: "Hans J. Koch" <hjk@hansjkoch.de> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-25hwmon: (max6650) Drop device detectionJean Delvare2-45/+8
MAX6650 device detection is unreliable, we got reports of false positives. We now have many ways to let users instantiate the devices explicitly, so unreliable detection should be dropped. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: "Hans J. Koch" <hjk@hansjkoch.de> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-25Move ACPI power meter driver to hwmonJean Delvare5-12/+11
As discussed earlier, the ACPI power meter driver would better live in drivers/hwmon, as its only purpose is to create hwmon-style interfaces for ACPI 4.0 power meter devices. Users are more likely to look for it there, and less likely to accidentally hide it by unselecting its dependencies. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: "Darrick J. Wong" <djwong@us.ibm.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Len Brown <lenb@kernel.org>
2011-05-25hwmon: (f71882fg) Add support for F71808AHans de Goede3-4/+89
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: (f71882fg) Split has_beep in fan_has_beep and temp_has_beepHans de Goede1-7/+21
Needed for upcoming support of the F71808A. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: (asc7621) Drop duplicate dependencyJean Delvare1-1/+1
The config SENSORS_ASC7621 entry is inside an if HWMON / endif block, so it already depends on HWMON. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-25hwmon: (jc42) Change detection classJean Delvare2-2/+2
While the JC42-compatible chips are temperature sensors, I2C_CLASS_SPD makes more sense because these chips always live on memory modules. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-25hwmon: Add driver for AMD family 15h processor power informationAndreas Herrmann5-0/+284
This CPU family provides NB register values to gather following TDP information * ProcessorPwrWatts: Specifies in Watts the maximum amount of power the processor can support. * CurrPwrWatts: Specifies in Watts the current amount of power being consumed by the processor. This driver provides * power1_crit (ProcessorPwrWatts) * power1_input (CurrPwrWatts) Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: (k10temp) Add support for Fam15h (Bulldozer)Andre Przywara3-5/+7
AMDs upcoming CPUs use the same mechanism for the internal temperature reporting as the Fam10h CPUs, so we just needed to add the appropriate PCI-ID to the list. This allows to use the k10temp driver on those CPUs. While at it change the Kconfig entry to be more generic. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Acked-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25hwmon: Use helper functions to set and get driver dataJean Delvare6-27/+27
Use helper functions to set and get driver data. This is more elegant. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-25i8k: Avoid lahf in 64-bit codeLuca Tettamanti1-2/+2
i8k uses lahf to read the flag register in 64-bit code; early x86-64 CPUs, however, lack this instruction and we get an invalid opcode exception at runtime. Use pushf to load the flag register into the stack instead. Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Reported-by: Jeff Rickman <jrickman@myamigos.us> Tested-by: Jeff Rickman <jrickman@myamigos.us> Tested-by: Harry G McGavran Jr <w5pny@arrl.net> Cc: stable@kernel.org Cc: Massimo Dal Zotto <dz@debian.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-25mach-ux500: set proper I2C platform data from MOP500sLinus Walleij1-6/+8
This specifies the new per-platform timeout per I2C bus and switches the I2C buses to fast mode, and increase the FIFO depth to 8 for reads and writes. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: break out single messsage transmissionLinus Walleij1-32/+48
Reduce code size in the message transfer function by factoring out a single-message transfer function. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: reset the hw after status checkVirupax Sadashivpetimath1-4/+4
In case of I2C timeout, reset the HW only after the HW status is read, otherwise the staus will be lost. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: remove the unnecessary delayVirupax Sadashivpetimath1-18/+2
The delay in the driver seems to be not needed, so remove it. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Markus Grape <markus.grape@stericsson.com> Tested-by: Per Persson <per.xb.persson@stericsson.com> Tested-by: Chethan Krishna N <chethan.krishna@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: change the TX and RX thresholdVirupax Sadashivpetimath1-13/+26
1) Increase RX FIFO threshold so that there is a reduction in the number of interrupts handled to complete a transaction. 2) Fill TX FIFO in the write function. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: add code to retry on timeout failureVirupax Sadashivpetimath1-48/+49
It is seen that i2c-nomadik controller randomly stops generating the interrupts leading to a i2c timeout. As a workaround to this problem, add retries to the on going transfer on failure. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: use pm_runtime APIRabin Vincent1-6/+31
Use the pm_runtime API for pins control. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> [deleted some surplus runtime PM code] Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: print abort cause only on abort tagVirupax Sadashivpetimath1-8/+19
Modify the code to: 1)Print the cause of i2c failure only if the status is set to ABORT. 2)Print slave address on send/receive fail, will help in which slave failed. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: correct adapter timeout initializationVirupax Sadashivpetimath1-4/+5
Correct the incorrect initialization of adapter timeout not to be in milliseconds, as it needs to be done in jiffies. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: remove the redundant error messagesrinidhi kasagar1-2/+0
The abort cause string itself is an error, so remove the redundant explicit error message. Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: corrrect returned error numbersVirupax Sadashivpetimath1-4/+6
The code was returning bad error numbers or just -1 in some cases. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: fix speed enumeratorLinus Walleij1-1/+1
The I2C speed enumerators in the i2c-nomadik header file were in the wrong order. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: make i2c timeout specific per i2c busVirupax Sadashivpetimath2-8/+8
Add option to have different i2c timeout delay for different i2c buses specified in platform data. Default to the old value unless specified. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-25i2c-nomadik: add regulator supportJonas Aberg1-15/+58
This on-chip I2C controller needs to fetch the regulator representing its voltage domain so that it won't be switched off. Signed-off-by: Jonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2011-05-24i2c-parport: Various cleanupsJean Delvare3-59/+55
* Fix white space. * Rename labels to something meaningful. * Prefix defines with PORT_ to avoid collision with macros from <linux/parport.h>. * Add const markers where possible. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-24i2c-i801: Don't depend on other kernel driver config optionsJean Delvare2-10/+7
Don't let other driver config options influence us, as it makes the code more complex and fragile for a small benefit. There's nothing wrong with instantiating I2C devices even if they don't have a driver. And we're talking about 835 extra bytes in the binary on x86-64, that's hardly worth arguing about. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Woodhouse <david.woodhouse@intel.com> Cc: Hans de Goede <hdegoede@redhat.com>
2011-05-24i2c-i801: Check for vendor Fujitsu before probing for apanelJean Delvare1-1/+2
Scanning the BIOS memory for the apanel information is costly, so avoid doing it on non-Fujitsu machines. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-24i2c-i801: Don't probe for slaves on IDF channelsJean Delvare1-15/+31
I don't know if Fujitsu is ever going to produce Patsburg-based machines, but if they do, I'd rather not probe the secondary (IDF) SMBus channels. At least not until we have a good reason for doing so. On a side note, I'm not even sure if it is right to enable detection of HWMON and DDC devices on the IDF channels. Time will tell... Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com>
2011-05-24i2c-i801: SMBus patch for Intel Panther Point DeviceIDsSeth Heasley3-1/+5
This patch adds the SMBus controller DeviceID for the Intel Panther Point PCH. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-24i2c/writing-clients: Fix foo_driver.id_tableVikram Narayanan1-1/+1
The i2c_device_id structure variable's name is not used in the i2c_driver structure. Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Cc: stable@kernel.org Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-05-24x86, ioapic: Restore ioapic entries during resume properlySuresh Siddha1-2/+2
In mask/restore_ioapic_entries() we should be restoring ioapic entries when ioapics[apic].saved_registers is not NULL. Fix the typo and address the resume hang regression reported by Linus. This was not found sooner because the systems where these changes were tested on kept the IO-APIC entries intact over resume. Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Daniel J Blueman <daniel.blueman@gmail.com> Link: http://lkml.kernel.org/r/1306259131.7171.7.camel@sbsiddha-MOBL3.sc.intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-24x86: Get rid of asmregparmRichard Weinberger3-11/+2
As UML does no longer need asmregparm we can remove it. Signed-off-by: Richard Weinberger <richard@nod.at> Cc: namhyung@gmail.com Cc: davem@davemloft.net Cc: fweisbec@gmail.com Cc: dhowells@redhat.com Link: http://lkml.kernel.org/r/%3C1306189085-29896-1-git-send-email-richard%40nod.at%3E Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-05-24um: Use RWSEM_GENERIC_SPINLOCK on x86Richard Weinberger1-2/+2
Commit d12337 (rwsem: Remove redundant asmregparm annotation) broke rwsem on UML. As we cannot compile UML with -mregparm=3 and keeping asmregparm only for UML is inadequate the easiest solution is using RWSEM_GENERIC_SPINLOCK. Thanks to Thomas Gleixner for the idea. Reported-by: Toralf Förster <toralf.foerster@gmx.de> Tested-by: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Richard Weinberger <richard@nod.at> Cc: user-mode-linux-devel@lists.sourceforge.net Cc: <stable@kernel.org> # .39.x Link: http://lkml.kernel.org/r/%3C1306183893-26655-1-git-send-email-richard%40nod.at%3E Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-05-24m68knommu: Use generic show_interrupts()Geert Uytterhoeven2-28/+1
Apart from whitespace differences, /proc/interrupts doesn't change by enabling GENERIC_IRQ_SHOW. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24coldfire_qspi compile fixSteven King1-0/+1
The m68k/m68knommu merge broke the qspi build. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24m68k: merge the mmu and non-mmu versions of sys_m68k.cGreg Ungerer3-643/+578
There is a lot of common code in the sys_m68k.c files. The mmu and non-mmu versions can easily be merged into a single file. There is really only 2 functions that differ in the 2 cases. A single ifdef on CONFIG_MMU can take care of this. Alternatively we could break those 2 functions out and maintain sys_m68k_no.c and sys_m68k_mm.c with just this code in it (Makefile could then just build the right one). Does anyone have strong feelings on which way they want this done? Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24m68knommu: use asm-generic/bitops/ext2-atomic.hAkinobu Mita1-17/+1
m68knommu can use generic implementation of ext2 atomic bitops. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24m68knommu: Remove obsolete #include <linux/sys.h>Geert Uytterhoeven6-6/+0
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24m68k: merge mmu and non-mmu versions of asm-offsets.cGreg Ungerer6-190/+114
It is strait forward to merge the mmu and non-mmu versions of asm-offstes.c. Some name changes are required for the preempt and thread_info.flags in the non-mmu entry.S assembler to make them consistent for both setups. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-23hwmon: (coretemp) Add comments describing the handling of HT CPUsGuenter Roeck1-2/+18
The coretemp driver provides a single set of device attributes for each physical core of a HT CPU to avoid duplicate sensors. This functionality was introduced with commit d883b9f09772 ("hwmon: (coretemp) Skip duplicate CPU entries"). Commit e40cc4bdfd4b ("x86/hwmon: register alternate sibling upon CPU removal") extends this functionality to register the HT sibling of a CPU which is taken offline, to ensure that sensor attributes are provided if at least one HT sibling of a core is online. Add comments into the code describing the functionality in some more detail. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-23kernel/watchdog.c: Use proper ANSI C prototypesLinus Torvalds1-1/+1
We try to enforce it by using -Wstrict-prototypes, but apparently they sometimes get through. Introduced by 4eec42f39204 ("watchdog: Change the default timeout and configure nmi watchdog period based"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-24perf tools: Fix sample type size calculation in 32 bits archsFrederic Weisbecker1-1/+1
The shift used here to count the number of bits set in the mask doesn't work above the low part for archs that are not 64 bits. Fix the constant used for the shift. This fixes a 32-bit perf top failure reported by Eric Dumazet: Can't parse sample, err = -14 Can't parse sample, err = -14 ... Reported-and-tested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com Link: http://lkml.kernel.org/r/1306200686-17317-1-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-24m68k: merge non-mmu and mmu versions of m68k_ksyms.cGreg Ungerer3-64/+32
After cleaning up m68k_ksyms_no.c it is now strait forward to merge the non-mmu and mmu versions of m68k_ksyms.c. The need for the extra gcc functions is not strictly based on having an MMU or not. It is based on the family the processor belongs too, so use an appropriate conditional check. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-05-24m68knommu: remove un-needed exporting of COLDFIRE symbolsGreg Ungerer2-12/+3
There is no reason most of the symbols enclosed in a conditional on CONFIG_COLDFIRE need to be exported. And they sure don't need to be doing it in m68k_ksyms_no.c. Move the dma symbols export (which are currently needed) to the definitions of those, and remove the rest of the exporting here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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