linux-kernel - Re: [PATCH v2 2/3] gpiolib: append SFI helpers for GPIO API

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Message-ID: <1385051340.1871.2.camel@smile>
Date:	Thu, 21 Nov 2013 18:29:00 +0200
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	David Cohen <david.a.cohen@...el.com>,
	"linux-gpio @ vger . kernel . org" <linux-gpio@...r.kernel.org>,
	Alexandre Courbot <acourbot@...dia.com>,
	Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@...el.com>,
	Len Brown <lenb@...nel.org>,
	"linux-kernel @ vger . kernel . org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH v2 2/3] gpiolib: append SFI helpers for GPIO API

On Thu, 2013-11-21 at 12:40 +0200, Mika Westerberg wrote:
> On Wed, Nov 20, 2013 at 04:31:35PM +0200, Andy Shevchenko wrote:
> > diff --git a/include/linux/gpio/sfi.h b/include/linux/gpio/sfi.h
> > new file mode 100644
> > index 0000000..3e111ad
> > --- /dev/null
> > +++ b/include/linux/gpio/sfi.h
> > @@ -0,0 +1,37 @@
> > +#ifndef _LINUX_SFI_GPIO_H_
> > +#define _LINUX_SFI_GPIO_H_
> > +
> > +#include <linux/err.h>
> > +#include <linux/errno.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/sfi.h>
> > +
> > +#ifdef CONFIG_GPIO_SFI
> > +
> > +struct gpio_desc *sfi_get_gpiod_by_name(const char *name);
> 
> I'm wondering should this function be exported at all? What the drivers
> should be using is gpiod_get_xxx() APIs and not DT/ACPI/SFI specific
> interfaces.

I won't mix this with generic stuff since we have really few users of
SFI and there should be no new users at all.

> Yeah, we have the same in ACPI version but I'm planning to get rid of it
> completely.

I'm okay to move to this direction, if Linus and others are okay with
it.

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy

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