Extern or forward variable declaration at include/linux/extcon-provider.h, line 15 References: drivers/extcon/extcon-adc-jack.c, line 41 drivers/extcon/extcon-arizona.c, line 102 drivers/extcon/extcon-axp288.c, line 102 drivers/extcon/extcon-axp288.c, line 103 drivers/extcon/extcon-gpio.c, line 37 drivers/extcon/extcon-intel-cht-wc.c, line 103 drivers/extcon/extcon-intel-int3496.c, line 27 drivers/extcon/extcon-intel-mrfld.c, line 52 drivers/extcon/extcon-max14577.c, line 72 drivers/extcon/extcon-max3355.c, line 18 drivers/extcon/extcon-max77693.c, line 68 drivers/extcon/extcon-max77843.c, line 32 drivers/extcon/extcon-max8997.c, line 110 drivers/extcon/extcon-ptn5150.c, line 63 drivers/extcon/extcon-qcom-spmi-misc.c, line 23 drivers/extcon/extcon-rt8973a.c, line 40 drivers/extcon/extcon-sm5502.c, line 38 drivers/extcon/extcon-usb-gpio.c, line 27 drivers/extcon/extcon-usbc-cros-ec.c, line 19 drivers/phy/allwinner/phy-sun4i-usb.c, line 140 drivers/phy/broadcom/phy-bcm-ns2-usbdrd.c, line 66 drivers/phy/renesas/phy-rcar-gen3-usb2.c, line 105 drivers/phy/rockchip/phy-rockchip-inno-usb2.c, line 220 drivers/phy/rockchip/phy-rockchip-inno-usb2.c, line 374 drivers/power/supply/bq24190_charger.c, line 160 drivers/power/supply/qcom_smbb.c, line 110 drivers/usb/gadget/udc/renesas_usb3.c, line 335 drivers/usb/phy/phy-tahvo.c, line 52 include/linux/extcon-provider.h, line 15 include/linux/extcon-provider.h, line 20 include/linux/extcon-provider.h, line 21 include/linux/extcon-provider.h, line 23 include/linux/extcon-provider.h, line 25 include/linux/extcon-provider.h, line 28 include/linux/extcon-provider.h, line 29 include/linux/extcon-provider.h, line 30 include/linux/extcon-provider.h, line 32 include/linux/extcon-provider.h, line 35 include/linux/extcon-provider.h, line 41 include/linux/extcon-provider.h, line 43 include/linux/extcon-provider.h, line 55 include/linux/extcon-provider.h, line 58 include/linux/extcon-provider.h, line 61 include/linux/extcon-provider.h, line 65 include/linux/extcon-provider.h, line 70 include/linux/extcon-provider.h, line 73 include/linux/extcon-provider.h, line 79 include/linux/extcon-provider.h, line 81 include/linux/extcon-provider.h, line 86 include/linux/extcon-provider.h, line 88 include/linux/extcon-provider.h, line 94 include/linux/extcon-provider.h, line 97 include/linux/extcon-provider.h, line 103 include/linux/extcon-provider.h, line 109 include/linux/extcon-provider.h, line 114 include/linux/extcon-provider.h, line 121 include/linux/extcon-provider.h, line 128