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linux/drivers/gpio
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Bartosz Golaszewski e5332d5437 gpiolib: don't allow userspace to set values of input lines 
User space can currently both read and set values of input lines using
the character device. This was not allowed by the old sysfs interface
nor is it a correct behavior.

Check the first descriptor in the set for the OUT flag when asked to
set values and return -EPERM if the line is input.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-07-16 15:38:52 +02:00
..
devres.c
gpio: Export devm_gpiod_get_from_of_node() for consumers
2018-01-12 11:05:24 +01:00
gpio-74x164.c
The is the bulk of GPIO changes for the v4.16 kernel cycle.
2018-01-31 12:25:27 -08:00
gpio-74xx-mmio.c
gpio: 74xx-mmio: Use of_device_get_match_data()
2018-05-16 14:35:24 +02:00
gpio-104-dio-48e.c
gpio: 104-dio-48e: make array 'ports' static, shrinks object size
2018-05-16 14:35:24 +02:00
gpio-104-idi-48.c
gpio: make several const arrays static, shrinks object size
2018-05-16 14:35:24 +02:00
gpio-104-idio-16.c
gpio: 104-idio-16: Implement get_multiple callback
2018-03-26 10:10:18 +02:00
gpio-adnp.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
gpio-adp5520.c
gpio: adp5520: Include proper header
2018-01-13 22:12:07 +01:00
gpio-adp5588.c
gpio: adp5588: Include proper header
2018-01-13 22:14:56 +01:00
gpio-altera-a10sr.c
gpio: altera-a10sr: constify gpio_chip structure
2017-08-14 15:01:12 +02:00
gpio-altera.c
gpio: altera: Include GPIO driver header
2018-01-13 22:18:34 +01:00
gpio-amd8111.c
gpio: amd8111: Include proper header
2018-01-13 22:22:49 +01:00
gpio-amdpt.c
gpio: amdpt: Add a new ACPI HID
2016-03-30 10:38:51 +02:00
gpio-arizona.c
gpio: arizona: Include proper header
2018-01-13 22:47:48 +01:00
gpio-aspeed.c
gpio: aspeed: fix compile testing warning
2018-07-13 09:05:06 +02:00
gpio-ath79.c
gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe()
2018-03-27 15:42:29 +02:00
gpio-bcm-kona.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
gpio-bd9571mwv.c
gpio: Add ROHM BD9571MWV-M PMIC GPIO driver
2017-04-28 09:47:46 +02:00
gpio-brcmstb.c
The is the bulk of GPIO changes for the v4.16 kernel cycle.
2018-01-31 12:25:27 -08:00
gpio-bt8xx.c
gpio: bt8xx: Include proper header
2018-01-13 22:56:52 +01:00
gpio-clps711x.c
gpio: clps711x: Remove board support
2016-06-08 10:49:58 +02:00
gpio-crystalcove.c
gpio: crystalcove: Include proper header
2018-01-14 01:48:48 +01:00
gpio-cs5535.c
gpio: cs5535: Include proper header
2018-01-14 01:56:24 +01:00
gpio-da9052.c
gpio: da905x: Include proper header
2018-01-14 02:00:10 +01:00
gpio-da9055.c
gpio: da905x: Include proper header
2018-01-14 02:00:10 +01:00
gpio-davinci.c
gpio: davinci: Do not assume continuous IRQ numbering
2018-06-18 07:55:30 +02:00
gpio-dln2.c
gpio: dln2: Include proper header
2018-03-19 01:50:07 +01:00
gpio-dwapb.c
gpio: dwapb: Rework support for 1 interrupt per port A GPIO
2018-05-23 11:30:13 +02:00
gpio-eic-sprd.c
gpio: eic: Add edge trigger emulation for EIC
2018-05-16 14:35:24 +02:00
gpio-em.c
gpio: em: Use the right include
2018-03-19 01:50:07 +01:00
gpio-ep93xx.c
pinctrl / gpio: Introduce .set_config() callback for GPIO chips
2017-01-26 15:27:37 +01:00
gpio-exar.c
gpio: exar: Use correct property prefix and document bindings
2017-08-01 13:43:55 +02:00
gpio-f7188x.c
gpio: f7188x: Add a missing break
2017-04-28 10:09:16 +02:00
gpio-ftgpio010.c
gpio: ftgpio010: Drop of_gpio.h include
2018-03-19 01:50:24 +01:00
gpio-ge.c
gpio: ge: Fix build warning
2018-05-16 14:35:24 +02:00
gpio-gpio-mm.c
gpio: make several const arrays static, shrinks object size
2018-05-16 14:35:24 +02:00
gpio-grgpio.c
gpio: grgpio: Include the right header
2018-03-19 01:50:28 +01:00
gpio-hlwd.c
gpio: Add GPIO driver for Nintendo Wii
2018-02-22 13:54:35 +01:00
gpio-htc-egpio.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
gpio-ich.c
gpio: ich: Use BIT() macro
2018-03-19 01:50:29 +01:00
gpio-ingenic.c
gpio: ingenic: Use of_device_get_match_data()
2018-05-16 14:35:24 +02:00
gpio-intel-mid.c
gpio-intel-mid: Delete an error message
2018-02-22 15:29:05 +01:00
gpio-iop.c
gpio: iop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
2017-12-02 22:42:21 +01:00
gpio-it87.c
gpio: it87: Include the right header
2018-03-19 01:50:29 +01:00
gpio-janz-ttl.c
gpio: janz-ttl: Use BIT() macro
2018-03-19 01:50:30 +01:00
gpio-kempld.c
gpio: kempld: Include the right header
2018-03-19 01:50:31 +01:00
gpio-ks8695.c
gpio: ks8695: Include the right header
2018-03-19 01:50:31 +01:00
gpio-loongson1.c
gpio: loongson1: fix bgpio usage
2017-10-25 11:25:38 +02:00
gpio-loongson.c
gpio: loongson: Use BIT() macros
2018-05-16 14:35:24 +02:00
gpio-lp873x.c
gpio: lp873x: Include the right header
2018-05-16 14:35:24 +02:00
gpio-lp3943.c
gpio: lp3943: Include the right header
2018-05-16 14:35:24 +02:00
gpio-lp87565.c
gpio: lp87565: Set proper output level and direction for direction_output
2017-07-31 15:26:57 +02:00
gpio-lpc18xx.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-lpc32xx.c
gpio: lpc32xx: Include the right header
2018-05-16 14:35:24 +02:00
gpio-lynxpoint.c
gpio: lynxpoint: Include the right header
2018-05-16 14:35:24 +02:00
gpio-max730x.c
gpio: max730x: Include the right header
2018-05-16 14:35:24 +02:00
gpio-max732x.c
gpio: max732x: add error handling for i2c_new_dummy
2018-06-18 07:55:30 +02:00
gpio-max3191x.c
gpio: Remove VLA from MAX3191X driver
2018-03-27 15:18:06 +02:00
gpio-max7300.c
…
gpio-max7301.c
…
gpio-max77620.c
gpio: max77620: Make regmap_irq_chip const
2017-08-14 16:06:24 +02:00
gpio-mb86s7x.c
gpio: mb86s70: Revert "Return error if requesting an already assigned gpio"
2017-10-31 13:13:34 +01:00
gpio-mc9s08dz60.c
gpio: mc9s08dz60: Include the right header
2018-05-16 14:35:24 +02:00
gpio-mc33880.c
gpio: mc33880: Include the right header
2018-05-16 14:35:24 +02:00
gpio-menz127.c
gpio: Fix wrong rounding in gpio-menz127
2018-06-18 07:55:30 +02:00
gpio-merrifield.c
gpio: merrifield: Delete an error message
2018-02-22 15:25:40 +01:00
gpio-ml-ioh.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
gpio-mm-lantiq.c
gpio: mm-lantiq: Include the right header
2018-05-16 14:35:24 +02:00
gpio-mmio.c
gpio: mmio: Also read bits that are zero
2018-01-16 23:42:36 +01:00
gpio-mockup.c
gpio: mockup: use the SPDX identifier and remove license boilerplate
2018-05-16 14:35:24 +02:00
gpio-mpc8xxx.c
gpio: mpc8xxx: Do not reverse bits using bgpio
2017-10-25 11:25:40 +02:00
gpio-mpc5200.c
…
gpio-msic.c
gpio: msic: Include the right header
2018-05-16 14:35:24 +02:00
gpio-mt7621.c
gpio: mt7621: Edit to preferred syntax
2018-07-09 13:51:57 +02:00
gpio-mvebu.c
gpio: mvebu: Use the proper APIs
2018-05-16 14:35:24 +02:00
gpio-mxc.c
gpio: mxc: Switch to SPDX identifier
2018-05-24 10:14:30 +02:00
gpio-mxs.c
gpio: mxs: Switch to SPDX identifier
2018-05-24 13:43:56 +02:00
gpio-octeon.c
gpio: octeon: Include the right header
2018-05-24 14:22:04 +02:00
gpio-omap.c
gpio: omap: Include the right header
2018-05-24 14:24:00 +02:00
gpio-palmas.c
gpio: palmas: Include the right header
2018-05-24 14:25:13 +02:00
gpio-pca953x.c
gpio: pca953x: suppress interrupts warning when not applicable
2018-07-02 16:00:49 +02:00
gpio-pcf857x.c
gpio: pcf857x: Include the right header
2018-05-24 17:09:41 +02:00
gpio-pch.c
gpio: pch: Include the right header
2018-05-24 17:09:41 +02:00
gpio-pci-idio-16.c
gpio: pci-idio-16: Fix port memory offset for get_multiple callback
2018-04-27 00:55:16 +02:00
gpio-pcie-idio-24.c
gpio: pcie-idio-24: Fix off-by-one error in get_multiple loop
2018-04-30 10:48:08 +02:00
gpio-pisosr.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-pl061.c
gpio: pl061: Include the right header
2018-05-24 17:09:41 +02:00
gpio-pmic-eic-sprd.c
gpio: pmic_eic: Add edge trigger emulation for PMIC EIC
2018-05-16 14:35:24 +02:00
gpio-pxa.c
gpio: pxa: Fix potential NULL dereference
2018-07-13 10:03:37 +02:00
gpio-raspberrypi-exp.c
gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service
2018-02-22 13:49:59 +01:00
gpio-rc5t583.c
gpio: rc5t583: Include the right header
2018-07-02 16:00:49 +02:00
gpio-rcar.c
gpio: rcar: Implement .get_direction() callback
2018-07-13 10:55:26 +02:00
gpio-rdc321x.c
gpio: rdc321x: Include the right header
2018-07-02 16:00:49 +02:00
gpio-reg.c
gpio: gpio-reg: fix build
2017-12-22 15:24:31 +01:00
gpio-sa1100.c
gpio: sa1100: Include the right header
2018-07-02 16:00:49 +02:00
gpio-sch311x.c
gpio: sch311x: Replace unsigned char with u8
2018-07-02 16:00:49 +02:00
gpio-sch.c
gpio: sch: Implement .get_direction()
2018-07-02 16:00:49 +02:00
gpio-sodaville.c
gpio: sodaville: use resource management for irqs
2017-03-15 11:16:36 +01:00
gpio-spear-spics.c
gpio: spear-spics: Include the right header
2018-07-02 16:00:49 +02:00
gpio-sprd.c
gpio: Add GPIO driver for Spreadtrum SC9860 platform
2018-03-02 11:00:43 +01:00
gpio-sta2x11.c
gpio: sta2x11: Inline regs macro
2018-07-02 16:00:49 +02:00
gpio-stmpe.c
gpio: stmpe: Include the right header
2018-07-02 16:00:49 +02:00
gpio-stp-xway.c
gpio: stp-xway: Include the right header
2018-07-02 16:00:49 +02:00
gpio-syscon.c
gpio: syscon: Include the right header
2018-07-02 16:00:49 +02:00
gpio-tb10x.c
gpio: tb10x: Handle return value of devm_kasprintf
2017-09-21 14:14:17 +02:00
gpio-tc3589x.c
gpio: Move irqdomain into struct gpio_irq_chip
2017-11-08 14:06:21 +01:00
gpio-tegra186.c
gpio: tegra186: Add support for Tegra194
2018-07-02 16:01:02 +02:00
gpio-tegra.c
gpio: tegra: Convert to use DEFINE_SHOW_ATTRIBUTE macro
2018-02-22 15:25:40 +01:00
gpio-thunderx.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
gpio-timberdale.c
gpio: timberdale: Improve a size determination
2018-02-22 15:14:58 +01:00
gpio-tpic2810.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-tps6586x.c
gpio: remove redundant owner assignments of drivers
2016-06-07 09:35:16 +02:00
gpio-tps65086.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-tps65218.c
pinctrl / gpio: Introduce .set_config() callback for GPIO chips
2017-01-26 15:27:37 +01:00
gpio-tps65910.c
gpio: remove redundant owner assignments of drivers
2016-06-07 09:35:16 +02:00
gpio-tps65912.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-tps68470.c
gpio: tps68470: Update to SPDX license identifier
2018-02-23 15:26:42 +01:00
gpio-ts4800.c
gpio: ts4800: Fix module autoload
2016-10-21 14:55:07 +02:00
gpio-ts4900.c
gpio: ts4900: Use of_device_get_match_data()
2018-05-16 14:35:24 +02:00
gpio-ts5500.c
gpio: ts5500: Use devm_gpiochip_add_data() for gpio registration
2016-02-23 20:35:49 +05:30
gpio-twl4030.c
mfd: twl: Move header file out of I2C realm
2017-09-04 14:41:02 +01:00
gpio-twl6040.c
gpio: twl6040: remove unneeded forward declaration
2017-08-23 10:20:16 +02:00
gpio-ucb1400.c
gpio: ucb1400: Use devm_gpiochip_add_data() for gpio registration
2016-02-23 20:35:50 +05:30
gpio-uniphier.c
treewide: Use struct_size() for devm_kmalloc() and friends
2018-06-06 11:15:43 -07:00
gpio-vf610.c
gpio: vf610: Use of_device_get_match_data()
2018-05-16 14:35:24 +02:00
gpio-viperboard.c
gpio: remove redundant owner assignments of drivers
2016-06-07 09:35:16 +02:00
gpio-vr41xx.c
…
gpio-vx855.c
pinctrl / gpio: Introduce .set_config() callback for GPIO chips
2017-01-26 15:27:37 +01:00
gpio-wcove.c
gpio: Move irqdomain into struct gpio_irq_chip
2017-11-08 14:06:21 +01:00
gpio-winbond.c
gpio: winbond: Add driver
2018-01-09 14:51:00 +01:00
gpio-wm831x.c
gpio-wm831x: Use seq_putc() in wm831x_gpio_dbg_show()
2018-02-12 09:36:06 +01:00
gpio-wm8350.c
gpio: constify gpio_chip structures
2016-09-13 10:35:56 +02:00
gpio-wm8994.c
pinctrl / gpio: Introduce .set_config() callback for GPIO chips
2017-01-26 15:27:37 +01:00
gpio-ws16c48.c
gpio: ws16c48: Implement get_multiple callback
2018-03-26 10:28:19 +02:00
gpio-xgene-sb.c
genirq/irqdomain: Rename early argument of irq_domain_activate_irq()
2017-12-29 21:13:04 +01:00
gpio-xgene.c
gpio: xgene: mark PM functions as __maybe_unused
2017-03-06 14:35:22 +01:00
gpio-xilinx.c
gpio: Convert to using %pOF instead of full_name
2017-08-14 15:01:12 +02:00
gpio-xlp.c
gpio: xlp: Use of_device_get_match_data()
2018-05-16 14:35:24 +02:00
gpio-xra1403.c
gpio: xra1403: Switch to a fixed upper bound for registers
2018-04-27 01:06:21 +02:00
gpio-xtensa.c
…
gpio-zevio.c
gpio: zevio: make gpio_chip const
2017-08-23 09:21:54 +02:00
gpio-zx.c
gpio: Move irqdomain into struct gpio_irq_chip
2017-11-08 14:06:21 +01:00
gpio-zynq.c
gpio: zynq: Setup chip->base based on alias ID
2018-05-23 11:43:03 +02:00
gpiolib-acpi.c
This is the bulk of pin control changes for the v4.16 kernel cycle:
2018-02-02 14:22:53 -08:00
gpiolib-devprop.c
gpio: fix "gpio-line-names" property retrieval
2017-12-22 15:24:31 +01:00
gpiolib-legacy.c
Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"
2016-07-04 16:51:29 +02:00
gpiolib-of.c
gpio: Convert to use match_string() helper
2018-05-16 14:35:24 +02:00
gpiolib-sysfs.c
gpio: sysfs: avoid using kstrtol() in 'value' attribute write
2017-12-20 10:34:58 +01:00
gpiolib.c
gpiolib: don't allow userspace to set values of input lines
2018-07-16 15:38:52 +02:00
gpiolib.h
gpiolib: Mark gpio_suffixes array with __maybe_unused
2018-07-13 09:00:08 +02:00
Kconfig
gpio: mt7621: add OF_GPIO dependency
2018-07-13 09:25:43 +02:00
Makefile
gpio: mt7621: Add a driver for MT7621
2018-07-09 13:41:48 +02:00