linux-kernel - Re: [PATCH 1/4] ARM: tegra: Unify tegra{20,30,114}_init

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Date:	Mon, 11 Feb 2013 05:18:40 +0100
From:	Hiroshi Doyu <hdoyu@...dia.com>
To:	"marvin24@....de" <marvin24@....de>
CC:	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"arnd@...db.de" <arnd@...db.de>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] ARM: tegra: Unify tegra{20,30,114}_init_early()

Hi Marc,

Marc Dietrich <marvin24@....de> wrote @ Sun, 10 Feb 2013 22:16:14 +0100:

> ah, ok - I just skipped the "also" in your sentence above. But still, the 
> #ifdefs look strange to me and save only a few byte of code. Just me few 
> cents.

What about the following as Arnd suggested[1]?

void __init tegra_hotplug_init(void)
{
	if (!IS_ENABLED(CONFIG_HOTPLUG_CPU))
	   return;
	   
	   if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) && tegra_chip_id == TEGRA20)
	      tegra_hotplug_shutdown = tegra20_hotplug_shutdown;
	      if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC)) && tegra_chip_id == TEGRA30)
	      	 tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
}

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2013-February/148632.html
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