linux-kernel - Re: [PATCH v3 2/6] gpio: make gpiod_to

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Date:   Mon, 02 Dec 2019 13:30:04 +1030
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Marco Felsch" <m.felsch@...gutronix.de>,
        support.opensource@...semi.com, "Lee Jones" <lee.jones@...aro.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        "Linus Walleij" <linus.walleij@...aro.org>,
        "Bartosz Golaszewski" <bgolaszewski@...libre.com>,
        "Joel Stanley" <joel@....id.au>, lgirdwood@...il.com,
        broonie@...nel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org,
        "Pengutronix Kernel Team" <kernel@...gutronix.de>
Subject: Re: [PATCH v3 2/6] gpio: make gpiod_to_offset() available for other users



On Sat, 30 Nov 2019, at 03:55, Marco Felsch wrote:
> Currently gpiod_to_offset() is a gpio-subsystem private function which
> is used by the gpiolib itself and by the aspeed gpio driver. The time
> has shown that there are other drivers as well which need this
> information in some special cases e.g. MFD drivers. The patch makes the
> function public but you need to explicit add the <linux/gpio/private.h>
> include. See discussion [1] for more information.
> 
> [1] https://lkml.org/lkml/2019/11/27/357
> 
> Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
> ---
> v3:
> - former patch description was "gpio: add support to get local gpio number"
> - adapt commit message and description to reflect new state
> - don't add wrapper instead use the already existing gpiod_to_offset
> - move gpiod_to_offset from gpiolib.h into gpiolib.c
> - move declaration into linux/gpio/private.h
> ---
>  drivers/gpio/gpio-aspeed.c   | 11 +++++------

Reviewed-by: Andrew Jeffery <andrew@...id.au>