Re: [ORLinux] [PATCH] gpiolib/arches: Centralise bolierplateasm/gpio.h

From: Jonas Bonn
Date: Mon Apr 16 2012 - 03:53:36 EST



Acked-by: Jonas Bonn <jonas@xxxxxxxxxxxx> (for OpenRISC)

On Mon, 2012-04-16 at 09:21 +0200, Linus Walleij wrote:
> On Sun, Apr 15, 2012 at 11:52 AM, Mark Brown
> <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > Rather than requiring architectures that use gpiolib but don't have any
> > need to define anything custom to copy an asm/gpio.h provide a Kconfig
> > symbol which architectures must select in order to include gpio.h and
> > for other architectures just provide the trivial implementation directly.
> >
> > This makes it much easier to do gpiolib updates and is also a step towards
> > making gpiolib APIs available on every architecture.
> >
> > For architectures with existing boilerplate code leave a stub header in
> > place which warns on direct inclusion of asm/gpio.h and includes
> > linux/gpio.h to catch code that's doing this. Direct inclusion of
> > asm/gpio.h has long been deprecated.
> >
> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > ---
> > arch/alpha/include/asm/gpio.h | 59 ++----------------------------
> > arch/arm/Kconfig | 1 +
> > arch/avr32/Kconfig | 1 +
> > arch/blackfin/Kconfig | 1 +
> > arch/ia64/include/asm/gpio.h | 59 ++----------------------------
> > arch/m68k/Kconfig.cpu | 1 +
> > arch/microblaze/include/asm/gpio.h | 57 ++---------------------------
> > arch/mips/Kconfig | 1 +
> > arch/openrisc/include/asm/gpio.h | 69 ++---------------------------------
> > arch/powerpc/include/asm/gpio.h | 57 ++---------------------------
> > arch/sh/Kconfig | 1 +
> > arch/sparc/include/asm/gpio.h | 40 ++-------------------
> > arch/unicore32/Kconfig | 1 +
> > arch/x86/include/asm/gpio.h | 57 ++---------------------------
> > arch/xtensa/include/asm/gpio.h | 60 ++-----------------------------
> > drivers/gpio/Kconfig | 8 ++++
> > include/linux/gpio.h | 34 +++++++++++++++++
> > 17 files changed, 81 insertions(+), 426 deletions(-)
>
> This looks good but I think we need to page the alpha, ia64, m68k, microblaze,
> openrisc etc subarch maintainers on this patch so they have their say.
>
> Yours,
> Linus Walleij
> _______________________________________________
> Linux mailing list
> Linux@xxxxxxxxxxxxxxxxxx
> http://lists.openrisc.net/listinfo/linux


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