Am Dienstag, 7. Januar 2014, 19:27:49 schrieb Linus Walleij:
> On Tue, Jan 7, 2014 at 12:15 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > On Friday 13 December 2013, Linus Walleij wrote:
> > * The file includes <plat/gpio-cfg.h>, which is not a bug yet, but
> >
> > will be once we move s3c24xx to multiplatform, which would make
> > it impossible to include this file from outside of arch/arm.
>
> Yes that needs to be a step for multiplatform enablement.
> My series only tries to make the problem smaller and remove
> the dependence on <mach/gpio.h>. All the <mach/*> and
> <plat/*> stuff needs to go away eventually ...
>
> > Note that on Exynos, the solution for the gpio driver dependencies
> > was to scrap the driver and use pinctrl-exynos instead.
>
> I think the S3C driver is a different piece of hardware unfortunately.
both the s3c24xx as well as the exynos pinctrl driver use the common pinctrl-
samsung infrastructure. The biggest part of the pinctrl-{exynos,s3c24xx}
drivers is the handling of the gpio-interrupts and defining the available
banks.
In general my multiplatform-plan is to provide the basics (pinctrl, common-
clock, etc) and then take the easy way out, described in some arm-summit-notes
by simply removing the boards and let people with the hardware that care about
it readd the specifics :-) .
For example it seems nobody started a S3C2442 machine for quite some time, as
it was/is missing the clkdev entries for stuff like the serial ports.
Heiko
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