Function prototype or declaration at include/linux/gpio/driver.h, line 640 References: drivers/gpio/gpio-davinci.c, line 259 drivers/gpio/gpio-lpc18xx.c, line 318 drivers/gpio/gpio-madera.c, line 113 drivers/gpio/gpio-merrifield.c, line 467 drivers/gpio/gpio-msc313.c, line 384 drivers/gpio/gpio-mvebu.c, line 1175 drivers/gpio/gpio-mxc.c, line 434 drivers/gpio/gpio-pl061.c, line 303 drivers/gpio/gpio-pxa.c, line 365 drivers/gpio/gpio-tb10x.c, line 160 drivers/gpio/gpio-tegra186.c, line 646 drivers/gpio/gpio-uniphier.c, line 378 drivers/gpio/gpio-vf610.c, line 308 drivers/gpio/gpiolib.c, line 1655 drivers/gpio/gpiolib.c, line 1664 drivers/pinctrl/bcm/pinctrl-bcm2835.c, line 358 drivers/pinctrl/bcm/pinctrl-bcm2835.c, line 374 drivers/pinctrl/bcm/pinctrl-nsp-gpio.c, line 654 drivers/pinctrl/cirrus/pinctrl-lochnagar.c, line 1158 drivers/pinctrl/intel/pinctrl-baytrail.c, line 1328 drivers/pinctrl/intel/pinctrl-cherryview.c, line 1231 drivers/pinctrl/intel/pinctrl-intel.c, line 1014 drivers/pinctrl/intel/pinctrl-lynxpoint.c, line 872 drivers/pinctrl/mediatek/pinctrl-moore.c, line 512 drivers/pinctrl/mediatek/pinctrl-mtk-common.c, line 866 drivers/pinctrl/mediatek/pinctrl-paris.c, line 888 drivers/pinctrl/meson/pinctrl-meson.c, line 611 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c, line 507 drivers/pinctrl/nomadik/pinctrl-abx500.c, line 530 drivers/pinctrl/nomadik/pinctrl-nomadik.c, line 1117 drivers/pinctrl/pinctrl-as3722.c, line 538 drivers/pinctrl/pinctrl-at91.c, line 1797 drivers/pinctrl/pinctrl-axp209.c, line 419 drivers/pinctrl/pinctrl-digicolor.c, line 244 drivers/pinctrl/pinctrl-ingenic.c, line 3716 drivers/pinctrl/pinctrl-microchip-sgpio.c, line 758 drivers/pinctrl/pinctrl-ocelot.c, line 1198 drivers/pinctrl/pinctrl-oxnas.c, line 1068 drivers/pinctrl/pinctrl-pic32.c, line 2114 drivers/pinctrl/pinctrl-pistachio.c, line 1320 drivers/pinctrl/pinctrl-rk805.c, line 206 drivers/pinctrl/pinctrl-rockchip.c, line 2926 drivers/pinctrl/pinctrl-st.c, line 1459 drivers/pinctrl/pinctrl-xway.c, line 1596 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c, line 581 drivers/pinctrl/qcom/pinctrl-msm.c, line 720 drivers/pinctrl/qcom/pinctrl-spmi-gpio.c, line 770 drivers/pinctrl/qcom/pinctrl-spmi-mpp.c, line 652 drivers/pinctrl/samsung/pinctrl-samsung.c, line 944 drivers/pinctrl/sunxi/pinctrl-sunxi.c, line 1485 drivers/pinctrl/vt8500/pinctrl-wmt.c, line 545 include/linux/gpio/driver.h, line 640