Function prototype or declaration at include/linux/gpio/driver.h, line 697 References: drivers/gpio/gpio-merrifield.c, line 461 drivers/gpio/gpiolib-of.c, line 839 drivers/gpio/gpiolib.c, line 2716 drivers/gpio/gpiolib.c, line 2754 drivers/pinctrl/intel/pinctrl-baytrail.c, line 1545 drivers/pinctrl/intel/pinctrl-cherryview.c, line 1608 drivers/pinctrl/intel/pinctrl-intel.c, line 1205 drivers/pinctrl/mediatek/pinctrl-mt7622.c, line 1519 drivers/pinctrl/mediatek/pinctrl-mtk-common.c, line 1112 drivers/pinctrl/nomadik/pinctrl-abx500.c, line 1061 drivers/pinctrl/pinctrl-amd.c, line 903 drivers/pinctrl/pinctrl-as3722.c, line 588 drivers/pinctrl/pinctrl-at91-pio4.c, line 1083 drivers/pinctrl/pinctrl-axp209.c, line 452 drivers/pinctrl/pinctrl-coh901.c, line 721 drivers/pinctrl/pinctrl-digicolor.c, line 265 drivers/pinctrl/pinctrl-pistachio.c, line 1406 drivers/pinctrl/pinctrl-rk805.c, line 473 drivers/pinctrl/pinctrl-sx150x.c, line 1196 drivers/pinctrl/qcom/pinctrl-msm.c, line 942 drivers/pinctrl/qcom/pinctrl-spmi-gpio.c, line 1015 drivers/pinctrl/qcom/pinctrl-spmi-mpp.c, line 890 drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c, line 751 drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c, line 843 drivers/pinctrl/sh-pfc/gpio.c, line 389 drivers/pinctrl/sirf/pinctrl-sirf.c, line 852 drivers/pinctrl/sunxi/pinctrl-sunxi.c, line 1359 drivers/pinctrl/vt8500/pinctrl-wmt.c, line 597 include/linux/gpio/driver.h, line 697 include/linux/gpio/driver.h, line 708