Eric Lee / smarc-fsl-linux-kernel

24 Sep, 2020

1 commit

  • 91ed7c40f   hwmon: (lm73) use simple i2c probe ... Browse Code »

    This driver doesn't use the id information provided by the old i2c
    probe function, so it can trivially be converted to the simple
    ("probe_new") form.

    Signed-off-by: Stephen Kitt
    Link: https://lore.kernel.org/r/20200813162300.1514695-1-steve@sk2.org
    Signed-off-by: Guenter Roeck

    Stephen Kitt
     

09 Mar, 2020

1 commit

05 Jun, 2019

1 commit

  • 067760774   treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 313 ... Browse Code »

    Based on 1 normalized pattern(s):

    this software program is licensed subject to the gnu general public
    license gpl version 2 june 1991 available at http www gnu org
    licenses old licenses gpl 2 0 html

    extracted by the scancode license scanner the SPDX license identifier

    GPL-2.0-only

    has been chosen to replace the boilerplate/reference in 1 file(s).

    Signed-off-by: Thomas Gleixner
    Reviewed-by: Armijn Hemel
    Reviewed-by: Kate Stewart
    Reviewed-by: Allison Randal
    Reviewed-by: Alexios Zavras
    Cc: linux-spdx@vger.kernel.org
    Link: https://lkml.kernel.org/r/20190530000434.615718144@linutronix.de
    Signed-off-by: Greg Kroah-Hartman

    Thomas Gleixner
     

19 Feb, 2019

1 commit

  • 0f875acc9   hwmon: (lm73) Use permission specific SENSOR[_DEVICE]_ATTR variants ... Browse Code »

    Use SENSOR[_DEVICE]_ATTR[_2]_{RO,RW,WO} to simplify the source code,
    to improve readability, and to reduce the chance of inconsistencies.

    Also replace any remaining S_ in the driver with octal values.

    The conversion was done automatically with coccinelle. The semantic patches
    and the scripts used to generate this commit log are available at
    https://github.com/groeck/coccinelle-patches/hwmon/.

    This patch does not introduce functional changes. It was verified by
    compiling the old and new files and comparing text and data sizes.

    Cc: Guillaume Ligneul
    Signed-off-by: Guenter Roeck

    Guenter Roeck
     

14 Oct, 2013

1 commit

07 Feb, 2013

3 commits

  • 2bf9233a1   hwmon: (lm73) Add support for max/min alarms ... Browse Code »

    Add support for temp1_min_alarm and temp1_max_alarm

    Signed-off-by: Chris Verges
    [linux@roeck-us.net: cleanup; dropped platform data and interrupt support]
    Signed-off-by: Guenter Roeck

    Chris Verges
     
  • 8c14d126a   hwmon: (lm73) Add 'update_interval' attribute ... Browse Code »

    The LM73 supports four A/D conversion resolutions. The default used by
    the existing lm73 driver is the chip's default, 11-bit (0.25 C/LSB).
    This patch enables changing of this resolution from userspace via the
    update_interval sysfs attribute. Full details on usage are included in
    Documentation/hwmon/lm73.

    Signed-off-by: Chris Verges
    [linux@roeck-us.net: cleanup]
    Signed-off-by: Guenter Roeck

    Chris Verges
     
  • 91bba6880   hwmon: (lm73) Fix lower and upper temperature limits ... Browse Code »

    While the LM73 is only specified for temperatures from -40 to +150 degrees C,
    its power-up minimum and maximum temperature limits are -256 and +255.75
    degrees C. For better consistency and to avoid confusion, clamp limits to
    the power-up limits and not to -40 / +150 degrees C.

    Signed-off-by: Guenter Roeck

    Guenter Roeck
     

26 Jan, 2013

1 commit

  • 2a844c148   hwmon: Replace SENSORS_LIMIT with clamp_val ... Browse Code »

    SENSORS_LIMIT and the generic clamp_val have the same functionality,
    and clamp_val is more efficient.

    This patch reduces text size by 9052 bytes and bss size by 11624 bytes
    for x86_64 builds.

    Signed-off-by: Guenter Roeck
    Acked-by: George Joseph
    Acked-by: Jean Delvare

    Guenter Roeck
     

22 Dec, 2012

1 commit

  • 0602934f3   hwmon: (lm73} Detect and report i2c bus errors ... Browse Code »

    If an LM73 device does not exist on an I2C bus, attempts to communicate
    with the device result in an error code returned from the i2c read/write
    functions. The current lm73 driver casts that return value from a s32
    type to a s16 type, then converts it to a temperature in celsius.
    Because negative temperatures are valid, it is difficult to distinguish
    between an error code printed to the response buffer and a negative
    temperature recorded by the sensor.

    The solution is to evaluate the return value from the i2c functions
    before performing any temperature calculations. If the i2c function did
    not succeed, the error code should be passed back through the virtual
    file system layer instead of being printed into the response buffer.

    Before:

    $ cat /sys/class/hwmon/hwmon0/device/temp1_input
    -46

    After:

    $ cat /sys/class/hwmon/hwmon0/device/temp1_input
    cat: read error: No such device or address

    Signed-off-by: Chris Verges
    Cc: stable@vger.kernel.org
    Signed-off-by: Guenter Roeck

    Chris Verges
     

19 Mar, 2012

1 commit

  • f0967eea8   hwmon: convert drivers/hwmon/* to use module_i2c_driver() ... Browse Code »

    This patch converts the drivers in drivers/hwmon/* to use the
    module_i2c_driver() macro which makes the code smaller and a bit simpler.

    Signed-off-by: Axel Lin
    Cc: Corentin Labbe
    Cc: Dirk Eibach
    Cc: "Mark M. Hoffman"
    Cc: Steve Glendinning
    Cc: Riku Voipio
    Cc: Guillaume Ligneul
    Cc: David George
    Cc: "Hans J. Koch"
    Cc: Marc Hulsman
    Cc: Rudolf Marek
    Signed-off-by: Guenter Roeck

    Axel Lin
     

06 Jan, 2012

1 commit

04 Nov, 2011

2 commits

  • 90f4102ce   hwmon: Use i2c_smbus_{read,write}_word_swapped ... Browse Code »

    Make use of the new i2c_smbus_{read,write}_word_swapped functions.
    This makes the driver code more compact and readable. It also ensures
    proper error handling.

    Signed-off-by: Jean Delvare
    Acked-by: Jonathan Cameron
    Acked-by: Guenter Roeck
    Cc: Dirk Eibach
    Cc: "Mark M. Hoffman"
    Cc: Guillaume Ligneul

    Jean Delvare
     
  • 24d6e2a89   hwmon: (lm73) Make detection less problematic ... Browse Code »

    Word reads can cause trouble with some I2C devices, so do as much
    detection as we can using only byte reads, and only use a word read in
    the end to confirm the positive match. Also properly handle read
    errors.

    Signed-off-by: Jean Delvare
    Acked-by: Guenter Roeck
    Cc: Robert Casanova

    Jean Delvare
     

03 Jun, 2010

1 commit

  • fbae3fb15   i2c: Remove all i2c_set_clientdata(client, NULL) in drivers ... Browse Code »

    I2C drivers can use the clientdata-pointer to point to private data. As I2C
    devices are not really unregistered, but merely detached from their driver, it
    used to be the drivers obligation to clear this pointer during remove() or a
    failed probe(). As a couple of drivers forgot to do this, it was agreed that it
    was cleaner if the i2c-core does this clearance when appropriate, as there is
    no guarantee for the lifetime of the clientdata-pointer after remove() anyhow.
    This feature was added to the core with commit
    e4a7b9b04de15f6b63da5ccdd373ffa3057a3681 to fix the faulty drivers.

    As there is no need anymore to clear the clientdata-pointer, remove all current
    occurrences in the drivers to simplify the code and prevent confusion.

    Signed-off-by: Wolfram Sang
    Acked-by: Mark Brown
    Acked-by: Greg Kroah-Hartman
    Acked-by: Richard Purdie
    Acked-by: Dmitry Torokhov
    Signed-off-by: Jean Delvare

    Wolfram Sang
     

30 Mar, 2010

1 commit

  • 5a0e3ad6a   include cleanup: Update gfp.h and slab.h includes to prepare for breaking implic… ... Browse Code »

    …it slab.h inclusion from percpu.h

    percpu.h is included by sched.h and module.h and thus ends up being
    included when building most .c files. percpu.h includes slab.h which
    in turn includes gfp.h making everything defined by the two files
    universally available and complicating inclusion dependencies.

    percpu.h -> slab.h dependency is about to be removed. Prepare for
    this change by updating users of gfp and slab facilities include those
    headers directly instead of assuming availability. As this conversion
    needs to touch large number of source files, the following script is
    used as the basis of conversion.

    http://userweb.kernel.org/~tj/misc/slabh-sweep.py

    The script does the followings.

    * Scan files for gfp and slab usages and update includes such that
    only the necessary includes are there. ie. if only gfp is used,
    gfp.h, if slab is used, slab.h.

    * When the script inserts a new include, it looks at the include
    blocks and try to put the new include such that its order conforms
    to its surrounding. It's put in the include block which contains
    core kernel includes, in the same order that the rest are ordered -
    alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
    doesn't seem to be any matching order.

    * If the script can't find a place to put a new include (mostly
    because the file doesn't have fitting include block), it prints out
    an error message indicating which .h file needs to be added to the
    file.

    The conversion was done in the following steps.

    1. The initial automatic conversion of all .c files updated slightly
    over 4000 files, deleting around 700 includes and adding ~480 gfp.h
    and ~3000 slab.h inclusions. The script emitted errors for ~400
    files.

    2. Each error was manually checked. Some didn't need the inclusion,
    some needed manual addition while adding it to implementation .h or
    embedding .c file was more appropriate for others. This step added
    inclusions to around 150 files.

    3. The script was run again and the output was compared to the edits
    from #2 to make sure no file was left behind.

    4. Several build tests were done and a couple of problems were fixed.
    e.g. lib/decompress_*.c used malloc/free() wrappers around slab
    APIs requiring slab.h to be added manually.

    5. The script was run on all .h files but without automatically
    editing them as sprinkling gfp.h and slab.h inclusions around .h
    files could easily lead to inclusion dependency hell. Most gfp.h
    inclusion directives were ignored as stuff from gfp.h was usually
    wildly available and often used in preprocessor macros. Each
    slab.h inclusion directive was examined and added manually as
    necessary.

    6. percpu.h was updated not to include slab.h.

    7. Build test were done on the following configurations and failures
    were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
    distributed build env didn't work with gcov compiles) and a few
    more options had to be turned off depending on archs to make things
    build (like ipr on powerpc/64 which failed due to missing writeq).

    * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
    * powerpc and powerpc64 SMP allmodconfig
    * sparc and sparc64 SMP allmodconfig
    * ia64 SMP allmodconfig
    * s390 SMP allmodconfig
    * alpha SMP allmodconfig
    * um on x86_64 SMP allmodconfig

    8. percpu.h modifications were reverted so that it could be applied as
    a separate patch and serve as bisection point.

    Given the fact that I had only a couple of failures from tests on step
    6, I'm fairly confident about the coverage of this conversion patch.
    If there is a breakage, it's likely to be something in one of the arch
    headers which should be easily discoverable easily on most builds of
    the specific arch.

    Signed-off-by: Tejun Heo <tj@kernel.org>
    Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>

    Tejun Heo
     

15 Dec, 2009

3 commits

10 Dec, 2009

1 commit