On startup dmesg prints a number of errors when setting up gpios, the
full list of gpio references being:
[ 0.108328] gpiochip_add: registered GPIOs 0 to 31 on device: gpio
[ 0.109957] gpiochip_add: registered GPIOs 32 to 63 on device: gpio
[ 0.111252] gpiochip_add: registered GPIOs 64 to 95 on device: gpio
[ 0.112520] gpiochip_add: registered GPIOs 96 to 127 on device: gpio
[ 0.113018] of_get_named_gpio_flags exited with status 52
[ 0.113049] gpio-rctrl rstctl.3: loaded OK
[ 1.621428] of_get_named_gpio_flags: can’t parse gpios property
[ 1.621446] of_get_named_gpio_flags: can’t parse gpios property
[ 1.621460] of_get_named_gpio_flags: can’t parse gpios property
[ 1.681874] pinctrl-single 44e10800.pinmux: pin 44e10854 already requested by 44e10800.pinmux; cannot claim for gpio-leds.7
[ 1.693581] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.7) status -22
[ 1.709856] leds-gpio gpio-leds.7: pins are not configured from the driver
[ 1.717095] of_get_named_gpio_flags exited with status 53
[ 1.717117] of_get_named_gpio_flags exited with status 54
[ 1.717137] of_get_named_gpio_flags exited with status 55
[ 1.717156] of_get_named_gpio_flags exited with status 56
[ 1.717179] of_get_named_gpio_flags exited with status 53
[ 1.717475] of_get_named_gpio_flags exited with status 54
[ 1.717690] of_get_named_gpio_flags exited with status 55
[ 1.717872] of_get_named_gpio_flags exited with status 56
[ 1.810316] of_get_named_gpio_flags: can’t parse gpios property
[ 1.810340] of_get_named_gpio_flags: can’t parse gpios property
[ 1.810354] of_get_named_gpio_flags: can’t parse gpios property
[ 1.947288] of_get_named_gpio_flags: can’t parse gpios property
[ 1.947306] of_get_named_gpio_flags: can’t parse gpios property
[ 1.947320] of_get_named_gpio_flags: can’t parse gpios property
[ 13.339759] of_get_named_gpio_flags: can’t parse gpios property
[ 13.339773] of_get_named_gpio_flags: can’t parse gpios property
[ 13.339781] of_get_named_gpio_flags: can’t parse gpios property
[ 13.340732] of_get_named_gpio_flags: can’t parse gpios property
[ 13.340745] of_get_named_gpio_flags: can’t parse gpios property
[ 13.340753] of_get_named_gpio_flags: can’t parse gpios property
(This is with Robert Nelson’s kernel and Debian).
Does anyone know how to reconfigure things to remove the errors?
Thanks - Will