Re: [PATCH 2/4] ARM: mxc: migrate mach-mx5 gpio driver to gpio-mxc

From: Shawn Guo
Date: Tue May 31 2011 - 11:05:36 EST


On Tue, May 31, 2011 at 01:28:17PM +0200, Arnd Bergmann wrote:
> On Tuesday 31 May 2011, Shawn Guo wrote:
> > > Just open-code the mxc_add_mxc_gpio() by moving the individual calls to
> > > mxc_add_gpio() into the respective callers. Having a global
> > > mxc_add_mxc_gpio() function that does something different for each
> > > caller seems entirely pointless to me.
> > >
> > Right now, mxc_add_mxc_gpio() is a postcore_initcall. Moving
> > individual mxc_add_gpio() call into irq_init function does not work.
> > And I need to find a proper caller for each SoC to call mxc_add_gpio
> > to register gpio devices.
>
> Why not init_machine? That is an arch_initcall(), so it's probably close
> enough.
>
The init_machine is mostly a board specific function than SoC specific
one. That is to say we will call mxc_add_gpio() in every single board
init function even for the same SoC.

--
Regards,
Shawn

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