Re: [PATCH v4] gpio: Driver for SYSCON-based GPIOs

[Alexander Shiyan <shc_work-JGs/UdohzUI@public.gmane.org>]

On Thu, 30 Jan 2014 14:54:36 +0100
Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:

> On Mon, Jan 13, 2014 at 5:56 PM, Alexander Shiyan <shc_work-JGs/UdohzUI@public.gmane.org> wrote:
> 
> > SYSCON driver was designed for using memory areas (registers)
> > that are used in several subsystems. There are systems (CPUs)
> > which use bits in one register for various purposes and thus
> > should be handled by various kernel subsystems. This driver
> > allows you to use the individual SYSCON bits as GPIOs.
> > ARM CLPS711X SYSFLG1 input lines has been added as first user
> > of this driver.
> >
> > Signed-off-by: Alexander Shiyan <shc_work-JGs/UdohzUI@public.gmane.org>
> 
> Oh the pain. I am so ambivalent of this patch as it obfuscates
> some stuff about the hardware that the driver should know,
> while at the same time being elegant in a way.
> 
> What does the ARM SoC maintainers think about this approach?
> 
> Arnd, Olof, Kevin: is this something you'd like to see deployed?

Ping.

-- 
Alexander Shiyan <shc_work-JGs/UdohzUI@public.gmane.org>
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