[PATCH 3/3] ARM: PXA27x: Zipit Z2: disable wake on GPIO0
Marek Vasut
marek.vasut at gmail.com
Sun Feb 26 18:47:27 EST 2012
> On Sun, Feb 26, 2012 at 11:21:49PM +0100, Marek Vasut wrote:
> > > 2012/2/26 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> > > > On Sun, Feb 26, 2012 at 06:11:17PM +0300, Vasily Khoruzhick wrote:
> > > >> 2012/2/26 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> > > >> > On Sun, Feb 26, 2012 at 04:47:42PM +0300, Vasily Khoruzhick wrote:
> > > >> >> We don't want machine to wake up on AC state change
> > > >> >
> > > >> > NAK. Stop polluting the machine callback methods. Use the right
> > > >> > one.
> > > >>
> > > >> Ok, what's right one?
> > > >>
> > > > void (*fixup)(struct tag *, char **,
> > > >
> > > > struct meminfo *);
> > > >
> > > > void (*reserve)(void);/* reserve mem blocks
> > > > */ void (*map_io)(void);/* IO mapping
> > > > function */ void (*init_early)(void);
> > > > void (*init_irq)(void);
> > > > struct sys_timer *timer; /* system tick timer
> > > > */ void (*init_machine)(void);
> > > >
> > > > and chose a more appropriate one from that? Maybe init_early() if it
> > > > has to be done early, or preferably the init_machine() if it can wait
> > > > until arch_initcall() time.
> > > >
> > > > But stuffing it into fixup, reserve, map_io, init_irq or the timer
> > > > initialization is pure abuse of those callbacks.
> > >
> > > Ok, thanks.
> >
> > Or this should be patched in the bootloader too. Also, please dont
>
> * introduce ad-hoc constants like "1 << 0", ever!
>
> Fiddling with PWER should not be in the boot loader. The kernel handles
> PWER just fine.
Right, good point
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