On Tue, Aug 09, 2011 at 09:04:12AM +0100, Russell King - ARM Linux wrote:
> This is a preliminary posting of my gpio patch set.
>
> This patch series moves the trivial gpiolib implementations out of
> mach/gpio.h and into asm/gpio.h.
>
> As a side effect of that, most of this patch series is about fixing up
> direct includes of mach/gpio.h - this is something I've been on at
> people over the last year or more about ensuring that they use
> linux/gpio.h in preference. While I've blindly converted all arch/arm
> to use linux/gpio.h (with the exception of mach/ includes which are
> converted to asm/gpio.h), drivers were only converted to asm/gpio.h.
> These should be reviewed and changed to linux/gpio.h.
>
> As a result of this patch series, several mach/gpio.h end up being
> empty.
>
> Many others just contain platform private GPIO APIs and definitions.
>
> The last thing which mach/gpio.h is used for is to provide a definition
> for ARCH_GPIO_NR to asm-generic/gpio.h. I've not attempted to solve
> that issue yet.
>
> A small number of platforms optimize the gpio accessors for on-SoC
> GPIOs. In the interests of consolidation, these will have to be killed
> but this patch set does not do that yet.
>
> Lastly, several {mach,plat}/gpio.h needs to be looked at with a view to
> deleting the direct include of asm-generic/gpio.h.
Looks good to me, though I haven't looked closely. I imagine this
should get merged via a branch in the arm-soc tree?
g.
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