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* leds: pca963x: use flexible arrayMarek Behún2020-09-301-16/+12
| | | | | | | | | | | Instead of doing two allocations, allocate only once, by utilizing flexible array members. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Peter Meerwald <p.meerwald@bct-electronic.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Cc: Zahari Petkov <zahari@balena.io> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pca963x: cosmetic: rename variablesMarek Behún2020-09-301-51/+53
| | | | | | | | | | Rename variable of type struct pca963x_led from pca963x to simple led. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Peter Meerwald <p.meerwald@bct-electronic.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Cc: Zahari Petkov <zahari@balena.io> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pca963x: cosmetic: rename variablesMarek Behún2020-09-301-27/+28
| | | | | | | | | | | | Rename variables chip and pca963x_chip to chipdef and chip, respectively, so that their names correspond to the names of their types. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Peter Meerwald <p.meerwald@bct-electronic.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Cc: Zahari Petkov <zahari@balena.io> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pca963x: use devres LED registering functionMarek Behún2020-09-301-20/+2
| | | | | | | | | | | By using devres version of LED registering function we can remove the .remove method from this driver. The probe method also gets simpler. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Peter Meerwald <p.meerwald@bct-electronic.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Cc: Zahari Petkov <zahari@balena.io> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pca963x: cosmetic: use helper variables, better indentationMarek Behún2020-09-301-68/+71
| | | | | | | | | | | | | | | | | Use helper variables: instead of writing &client->dev at many places, write only dev. The same with pca963x->chip->chipdef, pca963x->chip->client). Use helper variable u8 val for i2c_smbus_write_byte_data, for better indentation. Indent better on various places. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Peter Meerwald <p.meerwald@bct-electronic.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Cc: Zahari Petkov <zahari@balena.io> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: tca6507: fix potential zero passed to ERR_PTRMarek Behún2020-09-301-1/+1
| | | | | | | | | | Fix potential ERR_PTR(0). Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: d78b10f5713d9 ("leds: tca6507: use fwnode API instead of OF") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: tca6507: fix warning triggered by fwnode conversion.Pavel Machek2020-09-301-1/+1
| | | | | | | | | | | | | | | Robot complains about: All warnings (new ones prefixed by >>): >> drivers/leds/leds-tca6507.c:750:34: warning: unused variable 'of_tca6507_leds_match' [-Wunused-const-variable] static const struct of_device_id of_tca6507_leds_match[] = { Fix it. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: tca6507: use fwnode API instead of OFMarek Behún2020-09-301-37/+29
| | | | | | | | | | | | | | Convert to use fwnode API instead of OF. It is more generic and if someone wants to use this driver without device-tree yet still, they will be able to via swnode fwnodes. Remove the gpio setup function from platdata. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: NeilBrown <neilb@suse.de> Cc: Linus Walleij <linus.walleij@linaro.org> Tested-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: tca6507: Absorb platform dataMarek Behún2020-09-302-22/+10
| | | | | | | | | | | | The only in-tree usage of this driver is via device-tree. No on else includes linux/leds-tca6507.h, so absorb the definition of platdata structure. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: NeilBrown <neilb@suse.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: parse linux,default-trigger DT property in LED coreMarek Behún2020-09-2624-72/+5
| | | | | | | | | | | | | | | | | | | | Do the parsing of `linux,default-trigger` DT property to LED core. Currently it is done in many different drivers and the code is repeated. This patch removes the parsing from 23 drivers: an30259a, aw2013, bcm6328, bcm6358, cr0014114, el15203000, gpio, is31fl32xx, lm3532, lm36274, lm3692x, lm3697, lp50xx, lp8860, lt3593, max77650, mt6323, ns2, pm8058, pwm, syscon, tlc591xx and turris-omnia. There is one driver in drivers/input which parses this property on it's own. I shall send a separate patch there after this is applied. There are still 8 drivers that parse this property on their own because they do not pass the led_init_data structure to the registering function. I will try to refactor those in the future. Signed-off-by: Marek Behún <marek.behun@nic.cz> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: syscon: use struct led_init_data when registeringMarek Behún2020-09-261-3/+4
| | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm3532: don't parse label DT propertyMarek Behún2020-09-261-12/+0
| | | | | | | | This driver uses extended LED registration, so we do not need to parse the `label` DT property on our own. Signed-off-by: Marek Behún <marek.behun@nic.cz> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: use devres LED registering functionMarek Behún2020-09-261-11/+2
| | | | | | | | | | | | Now that the potential use-after-free issue is resolved we can use devres for LED registration in this driver. By using devres version of LED registering function we can remove the .remove method from this driver. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: use platform device as parent of LEDMarek Behún2020-09-261-2/+2
| | | | | | | | | | | | | | | | | | | | | Instead of registering LED under the MFD device, this driver sets the parent of the LED it is registering to the parent of the MFD device (the I2C client device). Because of this we cannot use devres for LED registration, since it can result in use-after-free, see commit a0972fff0947 ("leds: lm36274: fix use-after-free on unbind"). The only other in-tree driver that also registers under the MFD device (drivers/regulator/lm363x-regulator.c) sets the parent to the MFD device. Set the parent of this LED to the MFD device, instead of the I2C client device. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: do not set chip settings in DT parsing functionMarek Behún2020-09-261-8/+8
| | | | | | | | | These settings are not parsed from DT and therefore semantically should not be set in function with a name lm36274_parse_dt. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: use struct led_init_data when registeringMarek Behún2020-09-261-17/+25
| | | | | | | | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "parent_name::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present, nor are `color` and `function`. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: don't iterate through children since there is only oneMarek Behún2020-09-261-27/+23
| | | | | | | | | | | Do not use device_for_each_child_node. Since this driver works only with once child node present, use device_get_next_child_node instead. This also saves one level of indentation. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Dan Murphy <dmurphy@ti.com> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm36274: cosmetic: rename lm36274_data to chipMarek Behún2020-09-261-42/+40
| | | | | | | | | | Rename this variable so that it is easier to read and easier to write in 80 columns. Also rename variable of this type in lm36274_brightness_set from led to chip, to be consistent. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: Add driver for Acer Iconia Tab A500Dmitry Osipenko2020-09-263-0/+137
| | | | | | | | | | Acer Iconia Tab A500 is an Android tablet device which has two LEDs embedded into the Power Button. Orange LED indicates "battery charging" status and white LED indicates "wake-up/charge-done" status. The new LED driver provides control over both LEDs to userspace. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pca9532 - simplify the return expression of pca9532_removeLiu Shixin2020-09-261-6/+1
| | | | | | | Simplify the return expression. Signed-off-by: Liu Shixin <liushixin2@huawei.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: use struct led_init_data when registeringMarek Behún2020-09-261-5/+4
| | | | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: remove unneeded variableMarek Behún2020-09-261-5/+2
| | | | | | | | | | | | | No need to use variable found, we can determine whether the mode was found by comparing iterator variable to its limit. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: register LED immediately after parsing DT propertiesMarek Behún2020-09-261-103/+40
| | | | | | | | | | | | | Register each LED immediately after parsing OF properties. This simplifies the driver. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: cosmetic change: use helper variableMarek Behún2020-09-261-8/+7
| | | | | | | | | | | | Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: cosmetic changeMarek Behún2020-09-261-4/+2
| | | | | | | | | | | | Return directly instead of setting result and breaking. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: cosmetic variable renameMarek Behún2020-09-261-56/+47
| | | | | | | | | | | | Rename variable led_dat to led in various functions. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: cosmetic structure renameMarek Behún2020-09-261-17/+17
| | | | | | | | | | | | | | Rename structures: ns2_led -> ns2_led_of_one ns2_led_data -> ns2_led. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: use devres API for getting GPIO descriptorsMarek Behún2020-09-261-4/+4
| | | | | | | | | | | | | | | This drivers leaks GPIO descriptors on driver removal. Use devres API function devm_gpiod_get_from_of_node instead of gpiod_get_from_of_node to avoid this. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Not-for-stable Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: move parsing of one LED into separate functionMarek Behún2020-09-261-65/+55
| | | | | | | | | | | | | Move parsing of DT properties of one LED into separate function. This saves indentation level and is nicer to read. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: support OF probing only, forget platdataMarek Behún2020-09-261-25/+15
| | | | | | | | | | | | | | | | | | | Move forward from platform data to device tree only. Since commit c7896490dd1a ("leds: ns2: Absorb platform data") the platform data structure is absorbed into the driver, because nothing else in the source tree uses it. Since nobody complained and all usage of this driver is via device tree, change the code to work with device tree only. As Linus Walleij wrote, the device tree should be the preferred way forward anyway. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: alloc simple array instead of struct ns2_led_privMarek Behún2020-09-261-14/+7
| | | | | | | | | | | | | | Since .remove method is not needed now that we use devres, there is no need to remember the number of LEDs in struct ns2_led_priv. Alloc simple array of ns2_led_data structs. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ns2: use devres LED registering functionMarek Behún2020-09-261-28/+2
| | | | | | | | | | | | | By using devres version of LED registering function we can remove the .remove method from this driver. The probe method also gets simpler. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: is31fl32xx: use struct led_init_data when registeringMarek Behún2020-09-261-10/+9
| | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: David Rivshin <drivshin@allworx.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pm8058: cosmetic change: no need to return in if guardMarek Behún2020-09-261-4/+2
| | | | | | | | | We can return the last ret value. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pm8058: cosmetic change: use helper variableMarek Behún2020-09-261-9/+11
| | | | | | | | | Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: pm8058: use struct led_init_data when registeringMarek Behún2020-09-261-5/+6
| | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: mt6323: cosmetic change: use helper variableMarek Behún2020-09-261-4/+3
| | | | | | | | | | Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Cc: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: mt6323: use struct led_init_data when registeringMarek Behún2020-09-261-3/+6
| | | | | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Since init_data is passed with fwnode handle, we do not need to set the of_node member of the newly created LED classdev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Cc: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: max77650: use struct led_init_data when registeringMarek Behún2020-09-261-14/+9
| | | | | | | | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "max77650::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm3697: cosmetic change: use helper variable, reverse christmas treeMarek Behún2020-09-261-39/+36
| | | | | | | | | | | Use helper variable dev instead of always writing &client->dev, or &priv->client->dev, or even &led->priv->client->dev. With one more line moved reverse christmas tree is also achieved. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lm3697: use struct led_init_data when registeringMarek Behún2020-09-261-10/+8
| | | | | | | | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "parent_name::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: bcm6328, bcm6358: use struct led_init_data when registeringMarek Behún2020-09-262-4/+6
| | | | | | | | | | | | | By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Álvaro Fernández Rojas <noltari@gmail.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jaedon Shin <jaedon.shin@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: bcm6328, bcm6358: use devres LED registering functionMarek Behún2020-09-262-2/+2
| | | | | | | | | | | | | | | These two drivers do not provide remove method and use devres for allocation of other resources, yet they use led_classdev_register instead of the devres variant, devm_led_classdev_register. Fix this. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Álvaro Fernández Rojas <noltari@gmail.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jaedon Shin <jaedon.shin@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Cc: stable@kernel.org
* leds: various: fix OF node leaksMarek Behún2020-09-263-4/+12
| | | | | | | | | | | | Fix OF node leaks by calling of_node_put in for_each_available_child_of_node when the cycle breaks or returns. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Nikita Travkin <nikitos.tr@gmail.com> Cc: Milo Kim <milo.kim@ti.com> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Not-for-stable: untested, theoretical, insignificant leaks
* leds: various: use only available OF childrenMarek Behún2020-09-2615-26/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various drivers count and iterate over OF children nodes via of_get_child_count and for_each_child_of_node. Instead they should use of_get_available_child_count and for_each_available_child_of_node, so that if a given node has the `status` property set to `disabled`, the child will be ignored. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Andrey Utkin <andrey_utkin@fastmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Baolin Wang <baolin.wang@linaro.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christian Mauderer <oss@c-mauderer.de> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Dan Murphy <dmurphy@ti.com> Cc: David Rivshin <drivshin@allworx.com> Cc: Haojian Zhuang <haojian.zhuang@marvell.com> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Milo Kim <milo.kim@ti.com> Cc: NeilBrown <neilb@suse.de> Cc: Nikita Travkin <nikitos.tr@gmail.com> Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Philippe Retornaz <philippe.retornaz@epfl.ch> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Simon Guinot <sguinot@lacie.com> Cc: Simon Shields <simon@lineageos.org> Cc: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Cc: Xiaotong Lu <xiaotong.lu@spreadtrum.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: lt3593: do not rewrite .of_node of new LED device to wrong valueMarek Behún2020-09-261-1/+0
| | | | | | | | | | | The devm_led_classdev_register_ext is given init_data with fwnode set, so the LED core sets .of_node of the new LED classdev correctly. Do not rewrite this value to parent of_node. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Daniel Mack <daniel@caiaq.de> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: various: use dev_of_node(dev) instead of dev->of_nodeMarek Behún2020-09-2628-35/+35
| | | | | | | | | | | | | The dev_of_node function should be preferred. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: various: use device_get_match_dataMarek Behún2020-09-265-34/+6
| | | | | | | | | | | | | Simply use device_get_match_data instead of matching against the match table again. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: David Rivshin <drivshin@allworx.com> Cc: Sebastian Reichel <sre@kernel.org> Cc: Christian Mauderer <oss@c-mauderer.de> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: ip30: compile if COMPILE_TEST=yMarek Behún2020-09-262-1/+2
| | | | | | | | | | | This driver can be compiled on other platforms with small change if COMPILE_TEST=y. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Pavel Machek <pavel@ucw.cz> Cc: Dan Murphy <dmurphy@ti.com> Cc: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Pavel Machek <pavel@ucw.cz>
* leds: various: compile if COMPILE_TEST=yMarek Behún2020-09-261-5/+5
| | | | | | | | | | These drivers can be compiled without modification when COMPILE_TEST=y: cobalt-qube, cobalt-raq, netxbig, ns2 and s3c24xx Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Pavel Machek <pavel@ucw.cz> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 07:35:35 +0100