Commit Graph

2270 Commits

Author SHA1 Message Date
Linus Torvalds
86b581f6f1 hwmon fixes for 3.13-rc4
Fix HIH-6130 driver to work with BeagleBone
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix HIH-6130 driver to work with BeagleBone"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICK
2013-12-12 11:05:19 -08:00
Dan Carpenter
3806b45ba4 hwmon: Prevent some divide by zeros in FAN_TO_REG()
The "rpm * div" operations can overflow here, so this patch adds an
upper limit to rpm to prevent that.  Jean Delvare helped me with this
patch.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Roger Lucas <vt8231@hiddenengine.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-12-12 08:05:33 +01:00
Jean Delvare
33a7ab91d5 hwmon: (w83l768ng) Fix fan speed control range
The W83L786NG stores the fan speed on 4 bits while the sysfs interface
uses a 0-255 range. Thus the driver should scale the user input down
to map it to the device range, and scale up the value read from the
device before presenting it to the user. The reserved register nibble
should be left unchanged.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2013-12-12 08:05:32 +01:00
Brian Carnes
cf7559bc05 hwmon: (w83l786ng) Fix fan speed control mode setting and reporting
The wrong mask is used, which causes some fan speed control modes
(pwmX_enable) to be incorrectly reported, and some modes to be
impossible to set.

[JD: add subject and description.]

Signed-off-by: Brian Carnes <bmcarnes@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-12-12 08:05:32 +01:00
Guenter Roeck
3d489ac07e hwmon: (lm90) Unregister hwmon device if interrupt setup fails
Commit 109b1283fb (hwmon: (lm90) Add support to handle IRQ) introduced
interrupt support. Its error handling code fails to unregister the already
registered hwmon device.

Fixes: 109b1283fb
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-12-12 08:05:32 +01:00
José Miguel Gonçalves
efabcc2123 hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICK
Some I2C bus drivers do not allow zero-length data transfers which are
required to start a measurement with the HIH6130/1 sensor. Nevertheless,
we can overcome this limitation by writing a zero dummy byte. This byte
is ignored by the sensor and was verified to be working with the OMAP
I2C bus driver in a BeagleBone board.

Signed-off-by: José Miguel Gonçalves <jose.goncalves@inov.pt>
[Guenter Roeck: Simplified complexity of write_length initialization]
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-12-11 13:37:30 -08:00
Rafael J. Wysocki
2d304ba757 Merge branch 'acpica'
* acpica:
  ACPI: Clean up incorrect inclusions of ACPICA headers
  ACPICA: Update version to 20131115.
  ACPICA: Add support to delete all objects attached to the root namespace node.
  ACPICA: Delete all attached data objects during namespace node deletion.
  ACPICA: Resources: Fix loop termination for the get AML length function.
  ACPICA: Tests: Add CHECKSUM_ABORT protection for test utilities.
  ACPICA: Debug output: Do not emit function nesting level for kernel build.
2013-11-27 01:03:27 +01:00
Lv Zheng
91be099857 ACPI: Clean up incorrect inclusions of ACPICA headers
Header file <acpi/acpi.h> contains environemnt settings and architecture
specific implementation that should be included before any other ACPICA
headers in order to keep a consistent build environment for ACPICA users.
The following internal ACPICA header files should be included from
<acpi/acpi.h> and should not be included by other kernel files:
  <acpi/acpiosxf.h>
  <acpi/acpixf.h>

Clean up incorrect inclusions of these files from non-ACPICA source
files.

[rjw: Subject and changelog]
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-11-26 00:27:10 +01:00
Yijing Wang
3a4cbc1906 hwmon: (acpi_power_meter) Fix acpi_bus_get_device() return value check
Since acpi_bus_get_device() returns plain int and not acpi_status,
ACPI_FAILURE() should not be used for checking its return value.  Fix
that.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-11-20 08:31:01 -08:00
Guenter Roeck
cc76dee17f hwmon: (nct6775) NCT6791 supports weight control only for CPUFAN
Unlike other chips supported by this driver, the NCT6791 only has a single
set of registers to configure weighted fan control. Enable it only for the
single channel supporting it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-11-18 14:08:05 -08:00
Guenter Roeck
d1a284b7ed hwmon: (nct6775) Monitor additional temperature registers
The number of SMIOVT registers on NCT6779 and NCT6791 is limited to 2.
As result, the driver may not report some of the temperatures used
for fan control. This can result in some of the pwmX_temp_sel or
pwm2_weight_temp_sel attributes to wrongly return 0.
Fortunately, the chip has registers to monitor those temperatures.
Add them to the list of temperatures to report.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-11-18 14:08:05 -08:00
Arnaud Ebalard
c98d6c65e6 hwmon: (lm75) Add support for GMT G751 chip
This was tested on a NETGEAR ReadyNAS 2120 device (Marvell Armada XP
based board, via DT).

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-11-18 14:08:05 -08:00
Linus Torvalds
16cd9d1c0f Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon fixes and updates from Jean Delvare:
 "All lm90 driver fixes and improvements"

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  Documentation: dt: hwmon: Add OF document for LM90
  hwmon: (lm90) Add power control
  hwmon: (lm90) Add support for TI TMP451
  hwmon: (lm90) Use enums for the indexes of temp8 and temp11
  hwmon: (lm90) Add support to handle IRQ
  hwmon: (lm90) Define status bits
  hwmon: (lm90) Fix max6696 alarm handling
2013-11-15 16:35:10 -08:00
Wei Ni
3e0f964f2a hwmon: (lm90) Add power control
The device lm90 can be controlled by the vcc rail.
Adding the regulator support to power on/off the vcc rail.
Enable the "vcc" regulator before accessing the device.

[JD: Rename variables to avoid confusion with registers.]

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:39 +01:00
Wei Ni
1daaceb26d hwmon: (lm90) Add support for TI TMP451
TI TMP451 is mostly compatible with ADT7461, except for
local temperature low byte and max conversion rate.
Add support to the LM90 driver.

Signed-off-by: Wei Ni <wni@nvidia.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:39 +01:00
Wei Ni
40465d9424 hwmon: (lm90) Use enums for the indexes of temp8 and temp11
Using enums for the indexes and nrs of temp8 and temp11.
This make the code much more readable.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:39 +01:00
Wei Ni
109b1283fb hwmon: (lm90) Add support to handle IRQ
When the temperature exceed the limit range value,
the driver can handle the interrupt.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:39 +01:00
Wei Ni
072de4969f hwmon: (lm90) Define status bits
Add bit defines for the status register. And add a function
lm90_is_tripped() which will read status register and return
tripped or not, then lm90_alert can call it directly, and in the
future the IRQ thread also can use it.

[JD: Adjusted to include all the new MAX6696 status flags.]

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:38 +01:00
Guenter Roeck
e41fae2b1e hwmon: (lm90) Fix max6696 alarm handling
Bit 2 of status register 2 on MAX6696 (external diode 2 open)
sets ALERT; the bit thus has to be listed in alert_alarms.
Also display a message in the alert handler if the condition
is encountered.

Even though not all overtemperature conditions cause ALERT
to be set, we should not ignore them in the alert handler.
Display messages for all out-of-range conditions.

Reported-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2013-11-15 10:40:38 +01:00
Wolfram Sang
16735d022f tree-wide: use reinit_completion instead of INIT_COMPLETION
Use this new function to make code more comprehensible, since we are
reinitialzing the completion, not initializing.

[akpm@linux-foundation.org: linux-next resyncs]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-15 09:32:21 +09:00
Linus Torvalds
f095ca6b31 spi: Updates for v3.13
As well as the usual driver updates and cleanups there's a few
 improvements to the core here:
 
  - The start of some improvements to factor out more of the SPI message
    loop into the core.  Right now this is just simplifying the code a
    bit but hopefully next time around we'll also have managed to roll
    out some noticable performance improvements which drivers can take
    advantage of.
  - Support for loading modules for ACPI enumerated SPI devices.
  - Managed registration for SPI controllers.
  - Helper for another common I/O pattern.
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Merge tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "As well as the usual driver updates and cleanups there's a few
  improvements to the core here:

   - The start of some improvements to factor out more of the SPI
     message loop into the core.  Right now this is just simplifying the
     code a bit but hopefully next time around we'll also have managed
     to roll out some noticable performance improvements which drivers
     can take advantage of.
   - Support for loading modules for ACPI enumerated SPI devices.
   - Managed registration for SPI controllers.
   - Helper for another common I/O pattern"

* tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (116 commits)
  spi/hspi: add device tree support
  spi: atmel: fix return value check in atmel_spi_probe()
  spi: spi-imx: only enable the clocks when we start to transfer a message
  spi/s3c64xx: Fix doubled clock disable on suspend
  spi/s3c64xx: Do not ignore return value of spi_master_resume/suspend
  spi: spi-mxs: Use u32 instead of uint32_t
  spi: spi-mxs: Don't set clock for each xfer
  spi: spi-mxs: Clean up setup_transfer function
  spi: spi-mxs: Remove check of spi mode bits
  spi: spi-mxs: Fix race in setup method
  spi: spi-mxs: Remove bogus setting of ssp clk rate field
  spi: spi-mxs: Remove full duplex check, spi core already does it
  spi: spi-mxs: Fix chip select control bits in DMA mode
  spi: spi-mxs: Fix extra CS pulses and read mode in multi-transfer messages
  spi: spi-mxs: Change flag arguments in txrx functions to bit flags
  spi: spi-mxs: Always clear INGORE_CRC, to keep CS asserted
  spi: spi-mxs: Remove mxs_spi_enable and mxs_spi_disable
  spi: spi-mxs: Always set LOCK_CS
  spi/s3c64xx: Add missing pm_runtime_put on setup fail
  spi/s3c64xx: Add missing pm_runtime_set_active() call in probe()
  ...
2013-11-12 15:01:39 +09:00
Mark Brown
82f85cf98f Merge remote-tracking branch 'spi/topic/wr' into spi-next 2013-10-25 09:51:41 +01:00
Dan Carpenter
26336c8a36 hwmon: (w83793) Clean up a signedness issue
We cap the upper bound of "mtimeout" but since it's signed we should
check for negative values as well.  The mistake is harmless.  But I have
changed it to unsigned as a cleanup.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-19 09:04:25 -07:00
Dan Carpenter
1e687e806b hwmon: (nct6775) Remove an unused variable
We don't actually use "j" for anything.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-19 09:04:24 -07:00
Guenter Roeck
0011ddfe6a hwmon: (emc1403) Add support for EMC1404 and EMC1424
EMC1404 and EMC1424 are similar to EMC1403 and EMC1423,
but support an additional external temperature sensor.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:04 -07:00
Guenter Roeck
454aee17fd hwmon: (emc1403) Convert to use devm_hwmon_device_register_with_groups
Simplify code and reduce its size.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:03 -07:00
Guenter Roeck
3f08d7f49f hwmon: (pmbus/ltc2978): Add support for LTC2978A
Detect LTC2978A chip ID. Treat it as LC2978.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:03 -07:00
Guenter Roeck
c24c407e96 hwmon: (pmbus/ltc2978): Add support for LTC2977
LTC2977 is a pin compatible replacement for LTC2978.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:03 -07:00
Guenter Roeck
c8ccab7ab5 hwmon: (pmbus/lm25066) Add support for LM25063
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:02 -07:00
LABBE Corentin
84fb029faa hwmon: Correct some typos
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:02 -07:00
Sachin Kamat
c50588abab hwmon: (gpio-fan) Include linux/of.h header
'of_match_ptr' is defined in linux/of.h. Include it explicitly.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:02 -07:00
Sachin Kamat
2825f033da hwmon: (lm70) Remove redundant spi_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Kaiwan N Billimoria <kaiwan@designergraphix.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:01 -07:00
Sachin Kamat
20652ab8ca hwmon: (adcxx) Remove redundant spi_set_drvdata
Driver core sets driver data to NULL upon failure or remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Marc Pignat <marc.pignat@hevs.ch>
Acked-by: Marc Pignat <marc.pignat@hevs.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:01 -07:00
Fengguang Wu
650a2c02b5 hwmon: (jc42) fix coccinelle warnings
drivers/hwmon/jc42.c:521:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:01 -07:00
Fengguang Wu
2a253c4789 hwmon: (ltc4261) fix coccinelle warnings
drivers/hwmon/ltc4261.c:243:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:00 -07:00
Fengguang Wu
3ea85ba7af hwmon: (lm95234) fix coccinelle warnings
drivers/hwmon/lm95234.c:704:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:12:00 -07:00
Fengguang Wu
4109a71608 hwmon: (max6697) fix coccinelle warnings
drivers/hwmon/max6697.c:649:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:59 -07:00
Fengguang Wu
e5840c78f3 hwmon: (max6642 fix coccinelle warnings
drivers/hwmon/max6642.c:299:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:59 -07:00
Fengguang Wu
31ab1ad70b hwmon: (ds1621) fix coccinelle warnings
drivers/hwmon/ds1621.c:381:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:59 -07:00
Fengguang Wu
9c09bd8d89 hwmon: (nct6775) fix coccinelle warnings
drivers/hwmon/nct6775.c:3866:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:58 -07:00
Guenter Roeck
62f9a57c0b hwmon: (jc42) Convert to use devm_hwmon_device_register_with_groups
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:58 -07:00
Guenter Roeck
38f150fe38 hwmon: (ltc4261) Convert to use devm_hwmon_device_register_with_groups
Also use new macro ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:58 -07:00
Guenter Roeck
89de734471 hwmon: (ina209) Convert to use devm_hwmon_device_register_with_groups
Also use new macro ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:57 -07:00
Guenter Roeck
9d86bd6ba3 hwmon: (lm95234) Convert to use devm_hwmon_device_register_with_groups
Also use new macro ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:57 -07:00
Guenter Roeck
f3643ac7ff hwmon: (tmp401) Convert to use devm_hwmon_device_register_with_groups
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-18 09:11:52 -07:00
Guenter Roeck
468bf0e395 hwmon: (ina2xx) Convert to use devm_hwmon_device_register_with_groups
Also introduce dev variable in probe function to simplify access
to client->dev, and use new macro ATTRIBUTE_GROUPS to declare
attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-13 16:16:29 -07:00
Guenter Roeck
38c75dc36d hwmon: (max16065) Convert to use devm_hwmon_device_register_with_groups
Modify code to use is_visible to determine if an attribute should be created
or not, then use devm_hwmon_device_register_with_groups to create the hwmon
device and all attributes in one operation.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-13 16:16:29 -07:00
Guenter Roeck
8d3735522f hwmon: (max6697) Convert to use devm_hwmon_device_register_with_groups
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-13 16:16:28 -07:00
Guenter Roeck
3710263f13 hwmon: (lm73) Convert to use devm_hwmon_device_register_with_groups
Also introduce new variable dev pointing to client->dev in the probe
function, and use new macro ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-13 16:16:28 -07:00
Guenter Roeck
9bd024e9fd hwmon: (max6642) Convert to use devm_hwmon_device_register_with_groups
Also rename new_client variable to client and introduce
new variable dev pointing to client->dev in the probe function,
and use new macro ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-10-13 16:16:28 -07:00