PIN_NO 31 include/dt-bindings/pinctrl/stm32-pinfunc.h #define PIN_NO(port, line) (((port) - 'A') * 0x10 + (line)) PIN_NO 31 scripts/dtc/include-prefixes/dt-bindings/pinctrl/stm32-pinfunc.h #define PIN_NO(port, line) (((port) - 'A') * 0x10 + (line))