From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 3/9] arm: add call to CPU idle quirks handler
Date: Tue, 23 Jun 2015 23:59 +0200
Message-ID: <2235698.8UjxLOMCMb@wuerfel>
References: <1435094387-20146-1-git-send-email-pawelo@king.net.pl> <1435094387-20146-4-git-send-email-pawelo@king.net.pl>
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To: Paul Osmialowski <pawelo@king.net.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>, Anson Huang <b20788@freescale.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Bhupesh Sharma <bhupesh.sharma@freescale.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Frank Li <Frank.Li@freescale.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Guenter Roeck <linux@roeck-us.net>, Haojian Zhuang <haojian.zhuang@gmail.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Jingchang Lu <jingchang.lu@freescale.com>, Jiri Slaby <jslaby@suse.cz>, Kees Cook <keescook@chromium.org>, Kumar Gala <galak@codeaurora.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Linus Walleij <linus.walleij@linaro.org>, Magnus Damm <damm+renesas@opensource.se>, Michael Turquette <mturquette@baylibre.com>, Nathan Lynch <nathan_lynch@mentor.com>, Nicolas Pitre <nico@linaro.org>, Maxime
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On Tuesday 23 June 2015 23:19:41 Paul Osmialowski wrote:
> Some SoCs need additional actions to be performed after arch idle,
> e.g. Kinetis requires invalidation of the I/D bus cache.
> 
> Such handler could be held in provided <mach/idle.h> header file.
> 
> Signed-off-by: Paul Osmialowski <pawelo@king.net.pl>
> ---
>  arch/arm/Kconfig          | 7 +++++++
>  arch/arm/kernel/process.c | 7 +++++++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 8e3a833..8ef8f8f 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -98,6 +98,13 @@ config ARM_HAS_SG_CHAIN
>  config NEED_SG_DMA_LENGTH
>  	bool
>  
> +config NEED_MACH_IDLE_H
> +	bool
> +
> +config ARM_CPU_IDLE_QUIRKS
> +	bool
> +	select NEED_MACH_IDLE_H
> +

We're not adding header files like this, please come up
with another solution. How about a cpuidle driver, or
possibly just overriding arm_pm_idle()?


	Arnd