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* hwmon/f71882fg: Make number of temps configurableHans de Goede2011-03-15
| | | | | | | | | Make the temp sysattr array for the standard models a 2d array, which allows to use it for models with less temperatures too. This is a preparation patch for adding support for more different models. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon/f71882fg: Make creation of in sysfs attributes more genericHans de Goede2011-03-15
| | | | | | | | This is a preparation patch for adding support for more different models, some of which have a sparse list of used voltage pins. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon/f71882fg: Only allow negative auto point temps if fan_neg_temp is enabledHans de Goede2011-03-15
| | | | | Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon/f71882fg: Fix temp1 sensor type reportingHans de Goede2011-03-15
| | | | | | | | | | | | The code for determining a sensort type for temp1 was based on me misreading the datasheet, the tested registers do not determine what kind of sensor is actually reported as temp1. Instead the enable / disable certain additional digital sensor readouts throug PECI / AMDSI, etc. Independent of these settings temp1 is still reading an external BJT or thermistor as configured by the Temperature Sensor Type Register (0x6b). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (w83627ehf) Display correct temperature sensor labels for systems ↵Guenter Roeck2011-03-15
| | | | | | | | | with NCT6775F Systems with NCT6775F reported temperature sensor labels for systems with NCT6776F. This patch fixes the problem. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (w83627ehf) Add fan debounce support for NCT6775F and NCT6776FIan Dobson2011-03-15
| | | | | | | | | | | NCT6776F and NCT6775F support debouncing the fan RPM signal. This can help improve the stability of th RPM signal for some fans (Arctic cooling fans for example). This patch adds a module parameter fan_debounce, which when set to 1 enables debounce for all fans that the chip supports. Signed-off-by: Ian Dobson <i.dobson@planet-ian.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (w83627ehf) Update Kconfig for W83677HG-B, NCT6775F and NCT6776FGuenter Roeck2011-03-15
| | | | | Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Store rpm instead of raw fan speed dataGuenter Roeck2011-03-15
| | | | | | | | | | | | | Since the fan speed value can be above 0xff, we can no longer use that value to determine if the fan speed reading is valid. This makes it difficult to manipulate the stored fan speed register value. If we store rpm instead of the fan speed register value, we do not need to correct it if the fan divisor value is changed, and the above mentioned problem no longer exists. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Use 16 bit fan count registers if supportedGuenter Roeck2011-03-15
| | | | | | | | | | | | | | | Some of the chips supported by this driver have 13 bit or 16 bit fan count registers. This patch improves support for those registers, specifically for NCT6775F. With the changes in this patch, fan speed is reported correctly even if the fan divider is set to a low value, which results in a fan speed reading above 0xff. With this patch, the width of fan count registers is no longer used to determine if the chip has fan divider register(s) or not. A dedicated flag is used instead to determine if this is the case. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Add support for Nuvoton NCT6775F and NCT6776FGuenter Roeck2011-03-15
| | | | | | | | | This patch adds support for NCT6775F and NCT6776F to the w83627ehf driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Ian Dobson <i.dobson@planet-ian.com> (NCT6776F) Tested-by: Zachary Marzec <zmarzec@gmail.com> (ASUS P8P67 PRO/NCT6776F) Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Permit enabling SmartFan IV mode if configured at startupGuenter Roeck2011-03-15
| | | | | | | | If SmartFan IV mode was configured at startup, it should be possible to re-enable it later on. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Convert register arrays to 16 bit, and convert access to ↵Guenter Roeck2011-03-15
| | | | | | | | | | | | | pointers For newer chips, several registers are banked and thus need to be 16 bit. Also, register addresses change. To prepare for those chips, convert affected register arrays to 16 bit, and change access to those registers to array pointers in struct w83627ehf_data. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Improve support for W83667HG-BGuenter Roeck2011-03-15
| | | | | | | | Add support for 4th temperature sensor on W83677HG-B. Display temperature labels on W83677HG-B to report temperature sources. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Optimize multi-bank register accessGuenter Roeck2011-03-15
| | | | | | | | Assume that each register is banked, and set the bank for each access. Cache the bank number so it only needs to be set if it changes. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Fixed most checkpatch warnings and errorsGuenter Roeck2011-03-15
| | | | | | | | | This cleanup fixes most of the checkpatch warnings and errors in the w83627ehf driver. Remaining warnings and errors are left untouched on purpose to avoid making the code less readable. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: (w83627ehf) Unify temperature register access, and use strict string ↵Guenter Roeck2011-03-15
| | | | | | | | | | conversions This patch unifies temperature register access, and replaces simple_strtoXXX with strict_strtoXXX throughout the driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Ian Dobson <i.dobson@planet-ian.com>
* hwmon: Add support for LTC4151per.dalen@appeartv.com2011-03-15
| | | | | | | | LTC4151 is High Voltage I2C Current and Voltage Monitor from Linear Technology. Signed-off-by: Per Dalen <per.dalen@appeartv.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (pmbus) Fix LINEAR16 data formatGuenter Roeck2011-03-15
| | | | | | | | LINEAR16 data format is unsigned, not signed. Impact is that affected attributes report negative values in the upper half of the supported value range. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (pmbus) Continuously update temperature limit registersGuenter Roeck2011-03-15
| | | | | | | | | | | | PMBus only has one set of limit registers for up to three temperature sensors. Thus, changing a limit for one of the temperature sensors affects limits for other temperature sensors in the same page (and potentially multiple pages depending on the chip implementation). To handle this situation, re-read all temperature limit registers when updating sensor data. This way, all affected temperature limits are updated whenever the limit for a single sensor is changed. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (pmbus) Improve support for paged temperature sensorsGuenter Roeck2011-03-15
| | | | | | | | | | | | | Assumption so far was that PMBus devices would support TEMP2 and TEMP3 registers only on page 0, and that only the TEMP1 register would be used/supported on other pages. Turns out that is not correct. UCD92xx devices support TEMP1 and TEMP2 on page 0, and TEMP2 on other pages. So it is necessary to change the core code such that it does not make a page based assumptions about temperature register support. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (pmbus) Improve support for paged fansGuenter Roeck2011-03-15
| | | | | | | | | | | | | | So far, it seemed like fans would either all be in page 0, or that there would be one page per fan. Turns out this was a wrong assumption. There is at least one PMBus fan controller which supports three pages with four fans each. Update code to handle this situation. Reported-by: Greg Schnorr <gschnorr@cisco.com> Tested-by: Greg Schnorr <gschnorr@cisco.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Greg Schnorr <gschnorr@cisco.com>
* hwmon: (pmbus) More stringent checking of VOUT_MODE registerGuenter Roeck2011-03-15
| | | | | | | | | | | | | | | Some PMBus chips do not support the VOUT_MODE register. To make matters worse, such chips may not return an error when reading the register either, but instead return 0xff. Check if the register exists using pmbus_check_byte_register() before reading its value. In addition, validate the returned value and ignore it if it is 0xff (which is invalid). Reported-by: Greg Schnorr <gschnorr@cisco.com> Tested-by: Greg Schnorr <gschnorr@cisco.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Greg Schnorr <gschnorr@cisco.com>
* hwmon: (pmbus) Add support for Maxim MAX34440/MAX34441Guenter Roeck2011-03-15
| | | | | Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
* hwmon: (pmbus) Add support for Maxim MAX16064Guenter Roeck2011-03-15
| | | | | Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
* hwmon: (pmbus) Add support for Maxim MAX8688Guenter Roeck2011-03-15
| | | | | Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
* hwmon: PMBus device driverGuenter Roeck2011-03-15
| | | | | | | | This driver adds support for hardware monitoring features of various PMBus devices. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
* hwmon: (lm85) Add support for EMC6D103SGuenter Roeck2011-03-15
| | | | | | | | | EMC6D103S is similar to EMC6D103, only it does not support registers 62[5:7], 6D[0:7], and 6E[0:7]. Register respective sysfs attributes and update affected registers for all other chips only. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (lm85) Do not update hysteresis and temp_auto_off if auto_temp_min is ↵Guenter Roeck2011-03-15
| | | | | | | | | | | | | | | changed So far, the driver updates temp_auto_hyst and temp_auto_off if temp_auto_min changes. This may cause problems if temp_auto_off was not configured before configuring temp_auto_min, because one of the variables used (off_desired) is not initialized in this case. To simplify the code, and for consistency with other drivers, no longer update the delta between "min" and "off" until the user sets the "off" value again. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (lm85) Use function to remove sysfs attribute filesGuenter Roeck2011-03-15
| | | | | Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: (lm85) Use boolean to determine if VID5 is configuredGuenter Roeck2011-03-15
| | | | | | | | | ADT7463 and ADT7468 optionally support VID5 instead of the standard +12V measurement input. Use a boolean to identify the chip configuration instead of hardcoding it several times. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
* hwmon: Add support for Lineage Compact Power Line PEM devicesGuenter Roeck2011-03-15
| | | | | | | | This patch adds support for hardware monitoring of Lineage Compact Power Line Power Entry Modules. Reviewed-by: Tom Grennan <tom.grennan@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (lis3lv02d) Convert SPI to dev_pm_opsMark Brown2011-03-15
| | | | | | | | | | There is a move to deprecate bus-specific PM operations and move to using dev_pm_ops instead in order to reduce the amount of boilerplate code in buses and facilitiate updates to the PM core. Do this move for the lis3lv02d SPI driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (max6639) Set reasonable default PWM frequencystigge@antcom.de2011-03-15
| | | | | | | | This patch initializes register CONFIG3 to a reasonable default PWM frequency of 25kHz, to prevent audible sound in fan. Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: Driver for Maxim MAX6639stigge@antcom.de2011-03-15
| | | | | | | 2-Channel Temperature Monitor with Dual PWM Fan-Speed Controller Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* Merge branch 'drm-fixes' of ↵Linus Torvalds2011-03-14
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon: fix problem with changing active VRAM size. (v2)
| * drm/radeon: fix problem with changing active VRAM size. (v2)Dave Airlie2011-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So we used to use lpfn directly to restrict VRAM when we couldn't access the unmappable area, however this was removed in 93225b0d7bc030f4a93165347a65893685822d70 as it also restricted the gtt placements. However it was only later noticed that this broke on some hw. This removes the active_vram_size, and just explicitly sets it when it changes, TTM/drm_mm will always use the real_vram_size, and the active vram size will change the TTM size used for lpfn setting. We should re-work the fpfn/lpfn to per-placement at some point I suspect, but that is too late for this kernel. Hopefully this addresses: https://bugs.freedesktop.org/show_bug.cgi?id=35254 v2: fix reported useful VRAM size to userspace to be correct. Signed-off-by: Dave Airlie <airlied@redhat.com>
* | watchdog: hpwdt: eliminate section mismatch warningAxel Lin2011-03-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | hpwdt_init_nmi_decoding() is called in hpwdt_init_one error handling, thus remove the __devexit annotation of hpwdt_exit_nmi_decoding(). This patch fixes below warning: WARNING: drivers/watchdog/hpwdt.o(.devinit.text+0x36f): Section mismatch in reference from the function hpwdt_init_one() to the function .devexit.text:hpwdt_exit_nmi_decoding() The function __devinit hpwdt_init_one() references a function __devexit hpwdt_exit_nmi_decoding(). This is often seen when error handling in the init function uses functionality in the exit path. The fix is often to remove the __devexit annotation of hpwdt_exit_nmi_decoding() so it may be used outside an exit section. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | watchdog: w83697ug_wdt: Fix set bit 0 to activate GPIO2Wim Van Sebroeck2011-03-14
| | | | | | | | | | | | | | | | outb_p(c || 0x01, WDT_EFDR); -> || should be | Reported-By: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | watchdog: sch311x_wdt: fix printk conditionDan Carpenter2011-03-14
| | | | | | | | | | | | | | | | | | | | "==" has higher precedence than "&". Since if (sch311x_sio_inb(sio_config_port, 0x30) & (0x01 == 0)) is always false the message is never printed. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | watchdog: sch311x_wdt: Fix LDN active checkWim Van Sebroeck2011-03-14
| | | | | | | | | | | | | | | | if (sch311x_sio_inb(sio_config_port, 0x30) && 0x01 == 0) -> && should be & Reported-By: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | watchdog: cpwd: Fix buffer-overflowWim Van Sebroeck2011-03-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cppcheck-1.47 reports: [drivers/watchdog/cpwd.c:650]: (error) Buffer access out-of-bounds: p.devs The source code is for (i = 0; i < 4; i++) { misc_deregister(&p->devs[i].misc); where devs is defined as WD_NUMDEVS big and WD_NUMDEVS is equal to 3. So the 4 should be a 3 or WD_NUMDEVS. Reported-By: David Binderman Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | Merge branch 'hwmon-for-linus' of ↵Linus Torvalds2011-03-13
|\ \ | | | | | | | | | | | | | | | | | | | | | 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: hwmon/f71882fg: Set platform drvdata to NULL later hwmon/f71882fg: Fix a typo in a comment
| * | hwmon/f71882fg: Set platform drvdata to NULL laterHans de Goede2011-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | This avoids a possible race leading to trying to dereference NULL. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
| * | hwmon/f71882fg: Fix a typo in a commentHans de Goede2011-03-13
| | | | | | | | | | | | | | | | | | Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds2011-03-13
|\ \ \ | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] target: Fix t_transport_aborted handling in LUN_RESET + active I/O shutdown
| * | | [SCSI] target: Fix t_transport_aborted handling in LUN_RESET + active I/O ↵Nicholas Bellinger2011-02-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | shutdown This patch addresses two outstanding bugs related to T_TASK(cmd)->t_transport_aborted handling during TMR LUN_RESET and active I/O shutdown. This first involves adding two explict t_transport_aborted=1 assignments in core_tmr_lun_reset() in order to signal the task has been aborted, and updating transport_generic_wait_for_tasks() to skip sleeping when t_transport_aborted=1 has been set. This fixes an issue where transport_generic_wait_for_tasks() would end up sleeping indefinately when called from fabric module context while TMR LUN_RESET was happening with long outstanding backend struct se_task not yet being completed. The second adds a missing call to transport_remove_task_from_execute_queue() when task->task_execute_queue=1 is set in order to fix an OOPs when task->t_execute_list has not been dropped. It also fixes the same case in transport_processing_shutdown() to prevent the issue from happening during active I/O struct se_device shutdown. Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* | | | Merge git://git.infradead.org/users/dwmw2/mtd-2.6.38Linus Torvalds2011-03-13
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/users/dwmw2/mtd-2.6.38: mtd: add "platform:" prefix for platform modalias mtd: mtd_blkdevs: fix double free on error path mtd: amd76xrom: fix oops at boot when resources are not available mtd: fix race in cfi_cmdset_0001 driver mtd: jedec_probe: initialise make sector erase command variable mtd: jedec_probe: Change variable name from cfi_p to cfi
| * | | | mtd: add "platform:" prefix for platform modaliasAxel Lin2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 43cc71eed1250755986da4c0f9898f9a635cb3bf (platform: prefix MODALIAS with "platform:"), the platform modalias is prefixed with "platform:". Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Cc: stable@kernel.org
| * | | | mtd: mtd_blkdevs: fix double free on error pathMaxim Levitsky2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This one liner patch fixes double free that will occur if add_mtd_blktrans_dev fails. On failure it frees the input argument, but all its users also free it on error which is natural thing to do. Thus don't free it. All credit for finding that bug belongs to reporters of the bug in the android bugzilla http://code.google.com/p/android/issues/detail?id=13761 Commit message tweaked by Artem. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Cc: stable@kernel.org
| * | | | mtd: amd76xrom: fix oops at boot when resources are not availableStanislaw Gruszka2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For some unknown reasons resources needed by amd76xrom driver can be unavailable. And instead of returning an error, the driver keeps going and crash the kernel. This patch fixes the problem by making the driver return -EBUSY if the resources are not available. Commit messages tweaked by Artem. Reported-by: Russell Whitaker <russ@ashlandhome.net> Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Cc: stable@kernel.org
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