* d
* dead code
* all your ram are belong to me
* turn off gpiochips we don't need
* save
* save by using the same file handle
* smaller stack ok
* these can be on the stack
* this is closer
* what about ccm?
* probing available
* now probe ccm
* ccm
* put stuff in ccm
* fsio
* memory usage
* memory
* gpios: isBrainPinValid helper
* LCD HD44780: do not touch pins if DM_NONE or invalid gpio
* Fix isEnabled checks for GPS and Joystick
* LCD HD44780: writePad use this method wider