On Thu, Dec 19, 2013 at 08:41:09AM -0800, Greg Kroah-Hartman wrote: > On Thu, Dec 19, 2013 at 03:34:31PM +0100, Boris BREZILLON wrote: > > GPIO hogging is a way to request and configure specific GPIO without > > explicitly requesting it in the device driver. > > > > The request and configuration procedure is handled in the core device > > driver code before the driver probe function is called. > > > > It allows specific GPIOs to be configured without any driver specific code. > > > > Particularly usefull when a external device is connected to a bus and the > > bus connections depends on an external switch controlled by a GPIO pin. for external switches, you probably need a pinctrl-gpio driver. -- balbi
Attachment:
signature.asc
Description: Digital signature
