- 09 Sep, 2016 35 commits
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Quentin Schulz authored
iio_channel_get_all returns -ENODEV when it cannot find either phandles and properties in the Device Tree or channels whose consumer_dev_name matches iio_hwmon in iio_map_list. The iio_map_list is filled in by iio drivers which might be probed after iio_hwmon. It is better to defer the probe of iio_hwmon if such error is returned by iio_channel_get_all in order to let a chance to iio drivers to expose channels in iio_map_list. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Mike Looijmans authored
Add devicetree property for early initialization of the fan controller to prevent overheating, for example when resetting the board while the fan was completely turned off. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Mike Looijmans authored
The fan can be stopped by writing "3" to pwm1_enable in sysfs. Add devicetree property for early initialization of the fan controller to prevent overheating, for example when resetting the board while the fan was completely turned off. Also improve error reporting, I2C failures were ignored while writing new values. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Mike Looijmans authored
Parse devicetree parameters for voltage and prescaler setting. This allows using multiple max6550 devices with varying settings, and also makes it possible to instantiate and configure the device using devicetree. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Mike Looijmans authored
This adds the devicetree binding documentation for the max6650 fan controller. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Jean Delvare authored
Remove the index comments at the end of it87_attributes_in. They serve no purpose (as there is no reference to them in it87_in_is_visible) and some of them were obviously wrong. Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Matt Weber authored
The UCD90160 Power Supply Sequencer reuses the existing register layout, so just an id addition was required. Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Ronak Desai <ronak.desai@rockwellcollins.com> [groeck: Updated description, ordered alphabetically, added documentation] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Markus Elfring authored
The field "owner" is set by the core. Thus delete an unneeded initialisation. Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Thilo Cestonaro authored
Signed-off-by: Thilo Cestonaro <thilo@cestona.ro> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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hotran authored
This patch adds hardware temperature and power reading support for APM X-Gene SoC using the mailbox communication interface. Signed-off-by: Hoan Tran <hotran@apm.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
If both hwmon and thermal_sys are built as modules, and CONFIG_THERMAL_HWMON is enabled, the following cyclic module dependency is reported. depmod: ERROR: Found 2 modules in dependency cycles! depmod: ERROR: Cycle detected: hwmon -> thermal_sys -> hwmon Fixes: e4bce763adb2 ("hwmon: (core) New hwmon registration API") Reported-by: Vignesh R <vigneshr@ti.com> Cc: Keerthy J <j-keerthy@ti.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Joshua Scott authored
The ADT7470 supports a variety of PWM frequencies. This patch allows the frequency to be configured and viewed through the sysfs entry pwm1_freq. Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Daniel Golle authored
Allow to specify the resistance of the attached shunt via DT by adding the shunt-resistor property. Fall-back to the previous default (1 mOhm) if unset. Signed-off-by: Daniel Golle <daniel@makrotopia.org> [groeck: Fixed 'line over 80 columns' checkpatch warning] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Daniel Golle authored
Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Since commit 698a7c24 ("hwmon: (nct6775) Support two SuperIO chips in the same system"), the driver supports two Super-IO chips. This has the undesirable side effect that force_id always detects a second chip at address 0xfff8, even if no chip exists at that address. nct6775: Found NCT6793D or compatible chip at 0x4e:0xfff8 If no chip at all is found at a given SIO address, it does not make sense to instantiate it. Limit force_id to only work if some chip is found, that is if the chip ID returns a value other than 0xffff. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Add basic pwm attribute support (no auto attributes) to new API. Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Describe the new registration API function as well as the data structures it requires. Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Up to now, each hwmon driver has to implement its own sysfs attributes. This requires a lot of template code, and distracts from the driver's core function to read and write chip registers. To be able to reduce driver complexity, move sensor attribute handling and thermal zone registration into hwmon core. By using the new API, driver code and data size is typically reduced by 20-70%, depending on driver complexity and the number of sysfs attributes supported. With this patch, the new API only supports thermal sensors. Support for other sensor types will be added with subsequent patches. Acked-by: Punit Agrawal <punit.agrawal@arm.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Ordering include files alphabetically makes it easier to add new ones. Stop including linux/spinlock.h and linux/kdev_t.h since both are not needed. Reviewed-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Simplify code, reduce code size, and drop remove function as no longer needed. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Instead of repeatedly accessing &pdev->dev, use a local variable dev instead where possible. Also drop 'dev' from private data since it is unnecessary. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Use devm_iio_channel_get() instead of iio_channel_get to simplify error handling and device removal. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Vadim Pasternak authored
Provide support for PSU DPS-460, DPS-800 from Delta Electronics, INC and for SGD009 from Acbel Polytech, INC. These devices do not support the STATUS_CML register, and reports a communication error in response to this command. For this reason, the status register check is disabled for these controllers. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Michael Walle authored
If the EXT_TDM bit is set, the chip supports a second temperature sensor instead of two voltage sensors. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
The lower temperature limit is -128 degrees C. The supported upper limits are 127.875 or 255.875 degrees C. Also, don't fail if a value outside the supported range is provided when setting a temperature limit. Instead, clamp the provided value to the available value range. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Drop some of the SHIFT defines since shift is implied with BIT(). Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
The FSF address may change, and providing it does not add any value. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Simplify detecting duplicate include files and finding the right place for adding new ones. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
The chip reports if remote diodes are present, which can be used for the fault attrributes. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Writing the update_interval attribute could result in an overflow if a number close to the maximum unsigned long was written. At the same time, even though the chip supports setting the conversion rate, the selected conversion rate was not actually written to the chip. Fix the second problem by selecting valid (supported) conversion rates, and writing the selected conversion rate to the chip. This also fixes the first problem, since arbitrary conversion rates are now converted to actually supported conversion rates. Also, set the default chip conversion rate to 1 second. Previously, the chip was configured for continuous conversion, but readings were only retrieved every seond, which doesn't make much sense. If we only read a value from the chip every second, we can as well save some power and only convert in one-second intervals. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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- 04 Sep, 2016 4 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Thomas Gleixner: "A single fix for an AMD erratum so machines without a BIOS fix work" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/AMD: Apply erratum 665 on machines without a BIOS fix
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fixes from Thomas Gleixner: "Two fixlet from the timers departement: - A fix for scheduler stalls in the tick idle code affecting NOHZ_FULL kernels - A trivial compile fix" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick/nohz: Fix softlockup on scheduler stalls in kvm guest clocksource/drivers/atmel-pit: Fix compilation error
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dmLinus Torvalds authored
Pull device mapper fixes from Mike Snitzer: - a stable fix in both DM crypt and DM log-writes for too large bios (as generated by bcache) - two other stable fixes for DM log-writes - a stable fix for a DM crypt bug that could result in freeing pointers from uninitialized memory in the tfm allocation error path - a DM bufio cleanup to discontinue using create_singlethread_workqueue() * tag 'dm-4.8-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm bufio: remove use of deprecated create_singlethread_workqueue() dm crypt: fix free of bad values after tfm allocation failure dm crypt: fix error with too large bios dm log writes: fix check of kthread_run() return value dm log writes: fix bug with too large bios dm log writes: move IO accounting earlier to fix error path
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- 03 Sep, 2016 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "I'm still prepping a set of fixes for btrfs fsync, just nailing down a hard to trigger memory corruption. For now, these are tested and ready." * 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: fix one bug that process may endlessly wait for ticket in wait_reserve_ticket() Btrfs: fix endless loop in balancing block groups Btrfs: kill invalid ASSERT() in process_all_refs()
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