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2016-01-04leds: gpio: Remove work queueJacek Anaszewski1-40/+22
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Raphael Assenat <raph@8d.com>
2016-01-04leds: wm8350: Remove work queueAndrew Lunn2-40/+25
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Antonio Ospite <ao2@ao2.it> Reviewed-by: Mark Brown <broonie@kernel.org>
2016-01-04leds: regulator: Remove work queueAndrew Lunn1-34/+12
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Antonio Ospite <ao2@ao2.it> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: mc13783: Remove work queueAndrew Lunn1-26/+9
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: max8997: Remove unneeded workqueue includeAndrew Lunn1-1/+0
Work queues are not used in this driver, so remove the include. Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2016-01-04leds: lt3593: Remove work queueAndrew Lunn1-23/+10
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Daniel Mack <daniel@caiaq.de> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: dac124d085: Remove work queueAndrew Lunn1-28/+10
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: da9052: Remove work queueAndrew Lunn1-27/+12
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: da903x: Remove work queueAndrew Lunn1-28/+18
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: wm831x: Remove work queueAndrew Lunn1-16/+9
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: pca963x: Remove work queueAndrew Lunn1-57/+23
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Dan Murphy <dmurphy@ti.com> Cc: Ricardo Ribalda <ricardo.ribalda@gmail.com>
2016-01-04leds: pca955x: Remove work queueAndrew Lunn1-30/+9
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Nate Case <ncase@xes-inc.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: lp8860: Remove work queueAndrew Lunn1-20/+7
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: lp8788: Remove work queueAndrew Lunn1-27/+21
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Milo Kim <milo.kim@ti.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: lp55xx: Remove work queueAndrew Lunn6-31/+30
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Milo Kim <milo.kim@ti.com>
2016-01-04leds: lp3944: Remove work queueAndrew Lunn1-24/+8
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Antonio Ospite <ao2@ao2.it> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: pca9532: Remove work queue for LEDs.Andrew Lunn1-16/+12
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: lm3642: Remove work queueAndrew Lunn1-51/+22
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Daniel Jeong <daniel.jeong@ti.com> Cc: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: lm3533: Remove work queueAndrew Lunn1-24/+6
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Johan Hovold <johan@kernel.org>
2016-01-04leds: blinkm: Remove work queueAndrew Lunn1-70/+17
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Jan-Simon Moeller <dl9pf@gmx.de> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: bd2802: Remove work queueAndrew Lunn1-25/+14
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Kim Kyuwon <q1.kim@samsung.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: adp5520: Remove work queueAndrew Lunn1-21/+5
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: 88pm860x: Remove work queueAndrew Lunn1-16/+7
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04leds: tlc591xx: Remove work queueAndrew Lunn1-24/+7
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-01-04media: flash: use led_set_brightness_sync for torch brightnessJacek Anaszewski1-4/+4
LED subsystem shifted responsibility for choosing between SYNC or ASYNC way of setting brightness from drivers to the caller. Adapt the wrapper to those changes. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: linux-media@vger.kernel.org Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-01-04leds: ktd2692: Remove work queueJacek Anaszewski1-35/+6
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Ingi Kim <ingi2.kim@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2016-01-04leds: aat1290: Remove work queueJacek Anaszewski1-37/+13
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2016-01-04leds: max77693: Remove work queueJacek Anaszewski1-48/+9
Now the core implements the work queue, remove it from the drivers, and switch to using brightness_set_blocking op. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2016-01-04Documentation: leds: Add description of brightness setting APIJacek Anaszewski1-0/+13
This patch adds description of the LED subsystem API for setting an LED brightness. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: core: Drivers shouldn't enforce SYNC/ASYNC brightness settingJacek Anaszewski5-35/+35
This patch removes SET_BRIGHTNESS_ASYNC and SET_BRIGHTNESS_SYNC flags. led_set_brightness() now calls led_set_brightness_nosleep() instead of choosing between sync and async op basing on the flags defined by the driver. From now on, if a user wants to make sure that brightness will be set synchronously, they have to use led_set_brightness_sync() API. It is now being made publicly available since it has become apparent that it is a caller who should decide whether brightness is to be set in a synchronous or an asynchronous way. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: core: Use set_brightness_work for the blocking opJacek Anaszewski3-12/+12
This patch makes LED core capable of setting brightness for drivers that implement brightness_set_blocking op. It removes from LED class drivers responsibility for using work queues on their own. In order to achieve this set_brightness_delayed callback is being modified to directly call one of available ops for brightness setting. led_set_brightness_async() function didn't set brightness in an asynchronous way in all cases. It was mistakenly assuming that all LED subsystem drivers used work queue in their brightness_set op, whereas only half of them did that. Since it has no users now, it is being removed. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: core: Add led_set_brightness_nosleep{nopm} functionsJacek Anaszewski9-23/+55
This patch adds led_set_brightness_nosleep() and led_set_brightness_nopm() functions, that guarantee setting LED brightness in a non-blocking way. The latter is used from pm_ops context and doesn't modify the brightness cached in the struct led_classdev. Its execution always ends up with a call to brightness setting op - either directly or through a set_brightness_work, regardless of LED_SUSPENDED flag state. The patch also replaces led_set_brightness_async() with led_set_brightness_nosleep() in all places where the most vital was setting brightness in a non sleeping way but not necessarily asynchronously, which is not needed for non-blocking drivers. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: Rename brightness_set_sync op to brightness_set_blockingJacek Anaszewski6-7/+7
The initial purpose of brightness_set_sync op, introduced along with the LED flash class extension, was to add a means for setting torch LED brightness as soon as possible, which couldn't have been guaranteed by brightness_set op. This patch renames the op to brightness_set_blocking, which describes its purpose in a more generic way. It is beneficial in view of the prospective changes in the LED core, aiming at removing the need for using work queues in LED class drivers that can sleep or use delays while setting brightness. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: core: Add two new LED_BLINK_ flagsJacek Anaszewski2-14/+32
This patch adds LED_BLINK_BRIGHTNESS_CHANGE flag to indicate that blink brightness has changed, and LED_BLINK_DISABLE flag to indicate that blinking deactivation has been requested. In order to use the flags led_timer_function and set_brightness_delayed callbacks as well as led_set_brightness() function are being modified. The main goal of these modifications is to prepare set_brightness_work for extension of the scope of its responsibilities. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04leds: core: Use EXPORT_SYMBOL_GPL consistentlyJacek Anaszewski1-4/+4
LED core has a mixture of EXPORT_SYMBOL and EXPORT_SYMBOL_GPL macros. This patch fixes this discrepancy and switches to using EXPORT_SYMBOL_GPL for each exported function. Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Pavel Machek <pavel@ucw.cz>
2016-01-04m68k: coldfire/gpio: Be sure to clamp return valueLinus Walleij1-1/+1
As we want gpio_chip .get() calls to be able to return negative error codes and propagate to drivers, we need to go over all drivers and make sure their return values are clamped to [0,1]. We do this by using the ret = !!(val) design pattern. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2016-01-04MAINTAINERS: change my email addressPeter Chen1-2/+2
Freescale has merged with NXP. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04USB: usbmon: remove assignment from IS_ERR argumentJulia Lawall1-2/+4
The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression e1,e2; statement S1,S2; @@ +e1 = e2; if (IS_ERR( e1 - = e2 )) S1 else S2 // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: avoid assignment in ifSudip Mukherjee1-1/+2
It is not an usual practise to assign some value to a variable in the if test condition. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: remove unneeded spaceSudip Mukherjee1-47/+47
checkpatch complains that space is prohibited between function name and open parenthesis '('. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: change style of NULL comparisonSudip Mukherjee1-4/+4
checkpatch was complaining about NULL comparisons. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: remove unnecessary out of memory messageSudip Mukherjee1-10/+3
If kmalloc() or kzalloc() fails we will get sufficient messages in the logs, no need to print these extra messages. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: remove bracesSudip Mukherjee1-4/+2
checkpatch was complaining about braces for single statement block. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: quoted strings should not be splitSudip Mukherjee1-10/+8
user visible strings should not be split as that affects the ability to grep. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: code indent should use tabsSudip Mukherjee1-1/+1
Code should be indented using tabs and not by space. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: fix coding styleSudip Mukherjee1-25/+44
The multi-line comments were not according to the kernel coding style. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: EXPORT_SYMBOL should follow functionSudip Mukherjee1-16/+13
All symbols were exported at the end of the file but they are supposed to be exported just after the function. And checkpatch was complaining about it. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: remove trailing white spaceSudip Mukherjee1-4/+4
Trailing white space is not accepted in kernel coding style. Remove them. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04parport: fix a trivial typoGeliang Tang1-1/+1
s/regsiter/register/ Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-01-04Merge tag 'usb-serial-4.4-rc8' of ↵Greg Kroah-Hartman92-429/+978
git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next Johan writes: USB-serial fixes for v4.4-rc8 Here's another device id for cp210x. Signed-off-by: Johan Hovold <johan@kernel.org>
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