| Commit message (Collapse) | Author | Age | Files | Lines |
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a99d76f leds: leds-gpio: use gpio_request_one
changed the leds-gpio driver to use gpio_request_one() instead
of gpio_request() + gpio_direction_output()
Unfortunately, it also made a semantic change that breaks the
leds-gpio driver.
The gpio_request_one() flags parameter was set to:
GPIOF_DIR_OUT | (led_dat->active_low ^ state)
Since GPIOF_DIR_OUT is 0, the final flags value will just be the
XOR'ed value of led_dat->active_low and state.
This value were used to distinguish between HIGH/LOW output initial
level and call gpio_direction_output() accordingly.
With this new semantic gpio_request_one() will take the flags value
of 1 as a configuration of input direction (GPIOF_DIR_IN) and will
call gpio_direction_input() instead of gpio_direction_output().
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
{
..
if (flags & GPIOF_DIR_IN)
err = gpio_direction_input(gpio);
else
err = gpio_direction_output(gpio,
(flags & GPIOF_INIT_HIGH) ? 1 : 0);
..
}
The right semantic is to evaluate led_dat->active_low ^ state and
set the output initial level explicitly.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reported-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem update from Bryan Wu.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (47 commits)
leds: leds-lp5521: return an error code on error in probe()
leds: leds-clevo-mail: Use pr_* instead of printks
leds: leds-rb532: Fix checkpatch errors
leds: led-triggers: Fix checkpatch warnings
leds: ledtrig-backlight: Fix checkpatch error
leds: leds-wrap: Use <linux/io.h> instead of <asm/io.h>
leds: leds-wm8350: Use dev_err instead of printk
leds: leds-pwm: Fix checkpatch warning
leds: leds-pca955x: Use dev_info instead of printk
leds: leds-net48xx: Use linux/io.h instead of asm/io.h
leds: leds-lt3593: Fix checkpatch warnings
leds: leds-gpio: Use dev_info instead of printk
leds: leds-da903x: Fix checkpatch error and warnings
leds: leds-bd2802: Fix checkpatch warnings
leds: leds-adp5520: Fix checkpatch warnings
leds: led-class: Fix checkpatch warning
leds: leds-ns2: use devm_gpio_request_one
leds: leds-lt3593: use devm_gpio_request_one
leds: leds-gpio: use devm_gpio_request_one
leds: lp3944: Fix return value
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If "buf" wasn't equal to LP5521_REG_R_CURR_DEFAULT the probe fails but
we still return zero. I've changed it to print an error message and
return -EINVAL.
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Silences checkpatch warnings related to the use of printks.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following issues:
ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of warnings:
WARNING: Prefer netdev_warn(netdev, ... then dev_warn(dev, ...
then pr_warn(... to printk(KERN_WARNING ...
WARNING: quoted string split across lines
While at it also fix a coding style issue w.r.t braces.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch error:
ERROR: space prohibited before that ':' (ctx:WxE)
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: Use #include <linux/io.h> instead of <asm/io.h>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of checkpatch warnings:
WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ...
then pr_err(... to printk(KERN_ERR ...
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: please, no space before tabs
FILE: leds/leds-pwm.c:29:
^Iunsigned int ^I^Iactive_low;$
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ...
then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: Use #include <linux/io.h> instead of <asm/io.h>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of checkpatch warnings:
WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ...
then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ... then pr_info(... to printk(KERN_INFO ...
FILE: leds/leds-gpio.c:105:
printk(KERN_INFO "Skipping unavailable LED gpio %d (%s)\n",
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of checkpatch error and warnings:
WARNING: please, no space before tabs
ERROR: trailing whitespace
WARNING: quoted string split across lines
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of checkpatch warnings:
WARNING: please, no space before tabs
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following type of checkpatch warnings:
WARNING: please, no space before tabs
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Fixes the following checkpatch warning:
WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then pr_debug(... to printk(KERN_DEBUG ...
FILE: leds/led-class.c:214:
printk(KERN_DEBUG "Registered led device: %s\n",
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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devm_gpio_request_one is device managed and makes error handling
and cleanup simpler.
Cc: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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devm_gpio_request_one is device managed and makes error handling
and cleanup simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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devm_gpio_request_one is device managed and makes error handling
and cleanup simpler.
Cc: Raphael Assenat <raph@8d.com>
Cc: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Return the value obtained from i2c_smbus_read_byte_data() instead of
-EINVAL. Silences the following smatch warning:
drivers/leds/leds-lp3944.c:89 lp3944_reg_read() info:
why not propagate 'tmp' from i2c_smbus_read_byte_data() instead of -22?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Return the value obtained from i2c_smbus_read_byte_data() instead of
-EIO. Silences the following smatch warning:
drivers/leds/leds-lp5523.c:174 lp5523_read() info:
why not propagate 'ret' from i2c_smbus_read_byte_data() instead of -5?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Return the value obtained from i2c_smbus_read_byte_data() instead of
-EIO. Silences the following smatch warning:
drivers/leds/leds-lp5521.c:155 lp5521_read() info:
why not propagate 'ret' from i2c_smbus_read_byte_data() instead of -5?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Implements a "led_trigger_rename" function to rename a trigger with
proper locking.
This assumes that led name was originally allocated in non-constant
storage.
Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Cc: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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We don't need these sysfs files to be world writable or group writable.
These files are write-only, change them to S_IWUSR (0200).
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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We don't need the sysfs file to be world writable or group writable.
This file is write-only, change it to S_IWUSR (0200).
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The devm_kfree function allocates memory that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_kfree in probe or remove functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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This patch fixes build warnings as below:
drivers/leds/leds-lp5523.c: In function 'lp5523_selftest':
drivers/leds/leds-lp5523.c:496:18: warning: 'adc' may be used uninitialized in this function [-Wuninitialized]
drivers/leds/leds-lp5523.c:471:5: warning: 'vdd' may be used uninitialized in this function [-Wuninitialized]
drivers/leds/leds-lp5523.c: In function 'lp5523_probe':
drivers/leds/leds-lp5523.c:252:9: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
drivers/leds/leds-lp5523.c:201:5: note: 'status' was declared here
If lp5523_read() returns an error, problems will happen. Thus,
when lp5523_read() returns an error, it should be handled.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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This patch makes leds-gpio's probe() return -EPROBE_DEFER if any of the gpios
to register are deferred themselves. This makes a change of
gpio_leds_create_of()'s return value necessary: Instead of returning NULL on
error, we now use ERR_PTR() error coding.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The devm_ functions allocate memory that is released when a driver
detaches. This makes the code smaller and a bit simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_ioremap() for these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_ioremap() for these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_ioremap() for these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: G.Shark Jeong <gshark.jeong@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Pull ARM SoC board updates from Olof Johansson:
"This branch contains a set of various board updates for ARM platforms.
A few shmobile platforms that are stale have been removed, some
defconfig updates for various boards selecting new features such as
pinctrl subsystem support, and various updates enabling peripherals,
etc."
Fix up conflicts mostly as per Olof.
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
ARM: S3C64XX: Add dummy supplies for Glenfarclas LDOs
ARM: S3C64XX: Add registration of WM2200 Bells device on Cragganmore
ARM: kirkwood: Add Plat'Home OpenBlocks A6 support
ARM: Dove: update defconfig
ARM: Kirkwood: update defconfig for new boards
arm: orion5x: add DT related options in defconfig
arm: orion5x: convert 'LaCie Ethernet Disk mini v2' to Device Tree
arm: orion5x: basic Device Tree support
arm: orion5x: mechanical defconfig update
ARM: kirkwood: Add support for the MPL CEC4
arm: kirkwood: add support for ZyXEL NSA310
ARM: Kirkwood: new board USI Topkick
ARM: kirkwood: use gpio-fan DT binding on lsxl
ARM: Kirkwood: add Netspace boards to defconfig
ARM: kirkwood: DT board setup for Network Space Mini v2
ARM: kirkwood: DT board setup for Network Space Lite v2
ARM: kirkwood: DT board setup for Network Space v2 and parents
leds: leds-ns2: add device tree binding
ARM: Kirkwood: Enable the second I2C bus
ARM: mmp: select pinctrl driver
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