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device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
Fixes: 9a5c1c64ac0a ("leds: lm3692x: Change DT calls to fwnode calls")
Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
There is no user of of*.h headers, but mod_devicetable.h.
Update header block accordingly.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
In the older code the same is implied with device_for_each_child_node().
Fixes: 11e1bbc116a7 ("leds: lm36274: Introduce the TI LM36274 LED driver")
Fixes: a448fcf19c9c ("leds: lm36274: don't iterate through children since there is only one")
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
It's easy to miss necessary clean up, e.g. firmware node reference counting,
during error path in ->probe(). Make it more robust by moving to a single
point of return.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Regmap APIs should be selected, otherwise link can fail
ERROR: modpost: "__devm_regmap_init_i2c" [drivers/leds/leds-lm3532.ko] undefined!
Fixes: bc1b8492c764 ("leds: lm3532: Introduce the lm3532 LED driver")
Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Since GPIO operations are NULL-aware, we don't need to duplicate
this check. Remove it and fold the rest of the code.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
LGM SSO is an OF dependent driver, so of_match_ptr() can be safely
removed.
Remove the unneeded of_match_ptr().
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The clock handling has a few issues:
- when getting second clock fails, the first one left prepared and enabled
- on ->remove() clocks are unprepared and disabled twice
Fix all these by converting to use bulk clock operations since both clocks
are mandatory.
Fixes: c3987cd2bca3 ("leds: lgm: Add LED controller driver for LGM SoC")
Cc: Amireddy Mallikarjuna reddy <mallikarjunax.reddy@linux.intel.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Introduce a helper to replace open coded container_of() calls.
At the same time move ldev member to be first in the struct el15203000_led,
that makes container_of() effectivelly a no-op.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Drop the bogus error code and let of_led_get() to take care about absent
of_node.
Fixes: e389240ad992 ("leds: Add managed API to get a LED from a device driver")
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'lock' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'client' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'led_dev' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'regmap' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'eeprom_regmap' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'enable_gpio' not described in 'lp8860_led'
drivers/leds/leds-lp8860.c:105: warning: Function parameter or member 'regulator' not described in 'lp8860_led'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-mlxreg.c:42: warning: Function parameter or member 'led_cdev' not described in 'mlxreg_led_data'
drivers/leds/leds-mlxreg.c:42: warning: Function parameter or member 'led_cdev_name' not described in 'mlxreg_led_data'
Cc: Vadim Pasternak <vadimp@nvidia.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-lm3697.c:60: warning: Function parameter or member 'enabled' not described in 'lm3697_led'
drivers/leds/leds-lm3697.c:60: warning: Function parameter or member 'num_leds' not described in 'lm3697_led'
drivers/leds/leds-lm3697.c:84: warning: Function parameter or member 'bank_cfg' not described in 'lm3697'
drivers/leds/leds-lm3697.c:84: warning: Function parameter or member 'num_banks' not described in 'lm3697'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'lock' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'client' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'led_dev' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'regmap' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'enable_gpio' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'regulator' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'led_enable' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'model_id' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'boost_ctrl' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'brightness_ctrl' not described in 'lm3692x_led'
drivers/leds/leds-lm3692x.c:121: warning: Function parameter or member 'enabled' not described in 'lm3692x_led'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-lm3530.c:113: warning: Function parameter or member 'brightness' not described in 'lm3530_data'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Kumar SAHU <shreshthakumar.sahu@stericsson.com>
Cc: Dan Murphy <D.Murphy@motorola.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-lp3944.c:95: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/leds/leds-lp3944.c:126: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/leds/leds-lp3944.c:158: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Antonio Ospite <ospite@studenti.unina.it>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-is31fl32xx.c:85: warning: Function parameter or member 'sw_shutdown_func' not described in 'is31fl32xx_chipdef'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: David Rivshin <drivshin@allworx.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Function returns void anyway.
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-blinkm.c: In function ‘blinkm_init_hw’:
drivers/leds/leds-blinkm.c:483:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Jan-Simon Moeller <jansimon.moeller@gmx.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Jan-Simon Möller" <dl9pf@gmx.de>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-as3645a.c:198: warning: expecting prototype for as3645a_set_config(). Prototype was for as3645a_set_current() instead
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-bcm6328.c:97: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Fernández Rojas" <noltari@gmail.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/led-class.c:521: warning: Function parameter or member 'dev' not described in 'devm_led_classdev_unregister'
drivers/leds/led-class.c:521: warning: Excess function parameter 'parent' description in 'devm_led_classdev_unregister'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: John Lenz <lenz@cs.wisc.edu>
Cc: Richard Purdie <rpurdie@openedhand.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/leds-gpio-register.c:24: warning: Function parameter or member 'id' not described in 'gpio_led_register_device'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Fixes the following W=1 kernel build warning(s):
drivers/leds/trigger/ledtrig-cpu.c:52: warning: Function parameter or member 'ledevt' not described in 'ledtrig_cpu'
drivers/leds/trigger/ledtrig-cpu.c:52: warning: Excess function parameter 'evt' description in 'ledtrig_cpu'
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bryan Wu <bryan.wu@canonical.com>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
After device_get_match_data(), tlc591xx is not checked, add
check for it and also check np after dev_of_node.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This modifies MAINTAINER's file to remove Dan Murphy's email that is
bouncing (and does it globally). I hope that does not conflict too badly.
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Merge tag 'leds-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Nothing too exciting here, just some fixes"
* tag 'leds-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: pca9532: Assign gpio base dynamically
leds: trigger: pattern: Switch to using the new API kobj_to_dev()
leds: LEDS_BLINK_LGM should depend on X86
leds: lgm: Fix spelling mistake "prepate" -> "prepare"
MAINTAINERS: Remove Dan Murphy's bouncing email
leds-lm3642: convert comma to semicolon
leds: rt4505: Add support for Richtek RT4505 flash LED controller
leds: rt4505: Add DT binding document for Richtek RT4505
leds: Kconfig: LEDS_CLASS is usually selected.
leds: lgm: Improve Kconfig help
leds: lgm: fix gpiolib dependency
When using devicetree, gpio_base holds its initial zero value which can
lead to a rejection if another gpio controller already occupies this
base. To prevent that collision let the gpio base be assigned dynamically.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Switch to using the new API kobj_to_dev() to fix the below warnning:
./drivers/leds/trigger/ledtrig-pattern.c:336:60-61: WARNING opportunity
for kobj_to_dev()
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The Intel Lightning Mountain (LGM) Serial Shift Output controller (SSO)
is only present on Intel Lightning Mountain SoCs. Hence add a
dependency on X86, to prevent asking the user about this driver when
configuring a kernel without Intel Lightning Mountain platform support.
While at it, merge the other dependencies into a single statement.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
There is a spelling mistake in a dev_err error message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Change my e-mail address to kabel@kernel.org, and fix my name in
non-code parts (add diacritical mark).
Link: https://lkml.kernel.org/r/20210325171123.28093-2-kabel@kernel.org
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add support for RT4505 flash LED controller. It can support up to 1.5A
flash current with hardware timeout and low input voltage protection.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Remove unnecessary Kconfig symbol LEDS_BLINK
Improve Kconfig help text to make it more useful.
Signed-off-by: Rahul Tanwar <rtanwar@maxlinear.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
led_set_brightness() involves scheduling a workqueue. As here the led's
brightness setting is done in context of the trigger's workqueue this is
unjustified overhead and it's more sensible to use
led_set_brightness_sync().
Fixes: fd4a641ac88f ("leds: trigger: implement a tty trigger")
Reported-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210219133307.4840-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ttyname is allocated before the mutex is taken, so it must not be
unlocked in the error path.
Fixes: fd4a641ac88f ("leds: trigger: implement a tty trigger")
Reported-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210219133307.4840-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Without gpiolib, the driver fails to build:
drivers/leds/blink/leds-lgm-sso.c:123:19: error: field has incomplete type 'struct gpio_chip'
struct gpio_chip chip;
^
include/linux/gpio.h:107:8: note: forward declaration of 'struct gpio_chip'
struct gpio_chip;
^
drivers/leds/blink/leds-lgm-sso.c:263:3: error: implicit declaration of function 'gpiod_set_value' [-Werror,-Wimplicit-function-declaration]
gpiod_set_value(led->gpiod, val);
^
drivers/leds/blink/leds-lgm-sso.c:263:3: note: did you mean 'gpio_set_value'?
include/linux/gpio.h:168:20: note: 'gpio_set_value' declared here
static inline void gpio_set_value(unsigned gpio, int value)
^
drivers/leds/blink/leds-lgm-sso.c:345:3: error: implicit declaration of function 'gpiod_set_value' [-Werror,-Wimplicit-function-declaration]
gpiod_set_value(led->gpiod, 1);
^
Add the dependency in Kconfig.
Fixes: c3987cd2bca3 ("leds: lgm: Add LED controller driver for LGM SoC")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
changing CLASS_FLASH to return success to make it easier to work with
V4L2 stuff disabled, and we are getting rid of enum that should have
been plain integer long time ago. I'm slightly nervous about potential
warnings, but it needed to be fixed at some point.
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Merge tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Besides the usual fixes and new drivers, we are changing CLASS_FLASH
to return success to make it easier to work with V4L2 stuff disabled,
and we are getting rid of enum that should have been plain integer
long time ago. I'm slightly nervous about potential warnings, but it
needed to be fixed at some point"
* tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: lp50xx: Get rid of redundant explicit casting
leds: lp50xx: Update headers block to reflect reality
leds: lp50xx: Get rid of redundant check in lp50xx_enable_disable()
leds: lp50xx: Reduce level of dereferences
leds: lp50xx: Switch to new style i2c-driver probe function
leds: lp50xx: Don't spam logs when probe is deferred
leds: apu: extend support for PC Engines APU1 with newer firmware
leds: flash: Fix multicolor no-ops registration by return 0
leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
leds: lgm: Add LED controller driver for LGM SoC
dt-bindings: leds: Add bindings for Intel LGM SoC
leds: led-core: Get rid of enum led_brightness
leds: gpio: Set max brightness to 1
leds: lm3533: Switch to using the new API kobj_to_dev()
leds: ss4200: simplify the return expression of register_nasgpio_led()
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
Here is the big set of tty/serial driver changes for 5.12-rc1.
Nothing huge, just lots of good cleanups and additions:
- Your n_tty line discipline cleanups
- vt core cleanups and reworks to make the code more "modern"
- stm32 driver additions
- tty led support added to the tty core and led layer
- minor serial driver fixups and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty/serial driver changes for 5.12-rc1.
Nothing huge, just lots of good cleanups and additions:
- n_tty line discipline cleanups
- vt core cleanups and reworks to make the code more "modern"
- stm32 driver additions
- tty led support added to the tty core and led layer
- minor serial driver fixups and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (54 commits)
serial: core: Remove BUG_ON(in_interrupt()) check
vt_ioctl: Remove in_interrupt() check
dt-bindings: serial: imx: Switch to my personal address
vt: keyboard, use new API for keyboard_tasklet
serial: stm32: improve platform_get_irq condition handling in init_port
serial: ifx6x60: Remove driver for deprecated platform
tty: fix up iterate_tty_read() EOVERFLOW handling
tty: fix up hung_up_tty_read() conversion
tty: fix up hung_up_tty_write() conversion
tty: teach the n_tty ICANON case about the new "cookie continuations" too
tty: teach n_tty line discipline about the new "cookie continuations"
tty: clean up legacy leftovers from n_tty line discipline
tty: implement read_iter
tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer
serial: remove sirf prima/atlas driver
serial: mxs-auart: Remove <asm/cacheflush.h>
serial: mxs-auart: Remove serial_mxs_probe_dt()
serial: fsl_lpuart: Use of_device_get_match_data()
dt-bindings: serial: renesas,hscif: Add r8a779a0 support
tty: serial: Drop unused efm32 serial driver
...
In the line like
u32 bar = ...;
u8 foo = (u8)(bar >> 8) & 0xff;
is no need to have neither explicit casting nor ' & 0xff' part.
Get rid of them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The OF is not used in the driver, thus the OF headers are not needed,
but mod_devicetable.h is missed.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Since GPIO is optional the API is NULL aware and will check descriptor anyway.
Remove duplicate redundant check in lp50xx_enable_disable().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The priv->dev is effectively the same as &priv->client->dev.
So, drop the latter for the former.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Switch to the new style i2c-driver probe_new probe function.
Note we do not have any old style board files using this but
user still has a possibility to instantiate device from sysfs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
When requesting GPIO line the probe can be deferred.
In such case don't spam logs with an error message.
This can be achieved by switching to dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The DMI_PRODUCT_NAME entry on current firmware of PC Engines APU1 changed
from "APU" to "apu1"
This modification adds the missing DMI data and thereby the LED support for
the PC Engines APU1 with firmware versions >= 4.6.8.
Signed-off-by: Andreas Eberlein <foodeas@aeberlein.de>
Tested-by: Zbyněk Kocur <zbynek.kocur@fel.cvut.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Parallel to serial conversion, which is also called SSO controller,
can drive external shift register for LED outputs, reset or
general purpose outputs.
This driver enables LED support for Serial Shift Output Controller (SSO).
Signed-off-by: Amireddy Mallikarjuna reddy <mallikarjunax.reddy@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This gets rid of enum led_brightness in the main led files,
because it is deprecated, and an unsigned int can be used instead.
We can get rid of led_brightness completely and
patches can also be supplied for the other drivers' files.
Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The leds-rt8515 driver can optionall use the v4l2 flash led class,
but it causes a link error when that class is in a loadable module
and the rt8515 driver itself is built-in:
ld.lld: error: undefined symbol: v4l2_flash_init
>>> referenced by leds-rt8515.c
>>> leds/flash/leds-rt8515.o:(rt8515_probe) in archive
drivers/built-in.a
Adding 'depends on V4L2_FLASH_LED_CLASS' in Kconfig would avoid that,
but it would make it impossible to use the driver without the
v4l2 support.
Add the same dependency that the other users of this class have
instead, which just prevents the broken configuration.
Fixes: e1c6edcbea13 ("leds: rt8515: Add Richtek RT8515 LED driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
