Re: power: Add simple poweroff-gpio driver

[Dave Jones]

On Fri, Dec 14, 2012 at 08:53:40PM +0100, Andrew Lunn wrote:
 > > > I think it needs to be on the menuconfig, rather than the child options.
 > > > I don't have OF_GPIO, but I still got asked for the former.
 > > 
 > > The menuconfig enables a class of drivers (at least theoretically in the
 > > future, when more such drivers turn up), and there's no reason to
 > > believe that all of those drivers will depend on OF. So in my opinion,
 > > making POWER_RESET_GPIO depend on OF makes sense, but making POWER_RESET
 > > depend on it doesn't.
 > 
 > I have another driver coming soon which will not depend on OF_GPIO. It
 > does however depend on OF. Its for a class of boards which have a
 > microcontroller controlling the main power supply, and sending an
 > character over a UART port is used to turn the board power off.
 > 
 > There might also be some legacy drivers which could be moved here
 > which don't depend on OF at all.
 > 
 > So i would prefer to keep POWER_RESET generic.

Perhaps a CONFIG_ARCH_WANT_POWER_RESET option for arches that opt-in ?

	Dave

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