linux-kernel - Re: [PATCH] pinctrl: add a group-specific hog macro

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Message-ID: <CAN1soZybpVCPJsytuaQuZW_pNwzjBFn4gEdXOrJAPY7pXoiPhg@mail.gmail.com>
Date:	Wed, 14 Dec 2011 16:36:18 +0800
From:	Haojian Zhuang <haojian.zhuang@...il.com>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, Stephen Warren <swarren@...dia.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Barry Song <21cnbao@...il.com>,
	Shawn Guo <shawn.guo@...escale.com>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Dong Aisheng <dong.aisheng@...aro.org>,
	Rajendra Nayak <rajendra.nayak@...aro.org>,
	Haojian Zhuang <haojian.zhuang@...vell.com>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] pinctrl: add a group-specific hog macro

On Wed, Dec 14, 2011 at 4:32 PM, Linus Walleij
<linus.walleij@...ricsson.com> wrote:
> From: Linus Walleij <linus.walleij@...aro.org>
>
> To create elegant tables for pinmux hogs on the PXA MMP platform,
> we need this hog macro that can specify both function and group in
> one go.
>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> ---
>  include/linux/pinctrl/machine.h |    9 +++++++++
>  1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h
> index ad430e0..d0aecb7 100644
> --- a/include/linux/pinctrl/machine.h
> +++ b/include/linux/pinctrl/machine.h
> @@ -73,6 +73,15 @@ struct pinmux_map {
>        { .name = a, .ctrl_dev_name = b, .function = c, \
>          .hog_on_boot = true }
>
> +/*
> + * Convenience macro to map a system function onto a certain pinctrl device
> + * using a specified group, to be hogged by the pinmux core until the system
> + * shuts down.
> + */
> +#define PINMUX_MAP_SYS_HOG_GROUP(a, b, c, d)           \
> +       { .name = a, .ctrl_dev_name = b, .function = c, .group = d, \
> +         .hog_on_boot = true }
> +
>  #ifdef CONFIG_PINMUX
>
>  extern int pinmux_register_mappings(struct pinmux_map const *map,
> --
> 1.7.3.2
>
> --
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Acked-by: Haojian Zhuang <haojian.zhuang@...il.com>
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