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From: Paul Bolle <pebolle@tiscali.nl>
To: "pi-cheng.chen" <pi-cheng.chen@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
	Mike Turquette <mturquette@linaro.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	"Joe.C" <yingjoe.chen@mediatek.com>,
	Eddie Huang <eddie.huang@mediatek.com>,
	Howard Chen <ibanezchen@gmail.com>,
	fan.chen@mediatek.com, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	linaro-kernel@lists.linaro.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH 1/2] cpufreq: mediatek: Add MT8173 cpufreq driver
Date: Mon, 20 Apr 2015 20:28:37 +0200	[thread overview]
Message-ID: <1429554517.14597.38.camel@x220> (raw)
In-Reply-To: <1429522047-16675-2-git-send-email-pi-cheng.chen@linaro.org>

On Mon, 2015-04-20 at 17:27 +0800, pi-cheng.chen wrote:
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
 
> +config ARM_MT8173_CPUFREQ
> +	bool "Mediatek MT8173 CPUFreq support"
> +	depends on ARCH_MEDIATEK && REGULATOR
> +	help
> +	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.

> --- a/drivers/cpufreq/Makefile
> +++ b/drivers/cpufreq/Makefile

> +obj-$(CONFIG_ARM_MT8173_CPUFREQ)	+= mt8173-cpufreq.o

ARM_MT8173_CPUFREQ is a bool symbol, so mt8173-cpufreq.o will never be
part of a module.

(If that's incorrect you can stop reading here.)

> --- /dev/null
> +++ b/drivers/cpufreq/mt8173-cpufreq.c

> +#include <linux/module.h>

I guess this include is not needed. And, for what it's worth,
    make ARCH=arm CROSS_COMPILE=arm-linux-gnu- drivers/cpufreq/mt8173-cpufreq.o

compiles silently even if it's dropped.

> +module_init(mt8173_cpufreq_driver_init);

According to include/linux/init.h, for built-in only code, this is
equivalent to device_initcall([...]). And two runs of
    make ARCH=arm CROSS_COMPILE=arm-linux-gnu- drivers/cpufreq/mt8173-cpufreq.i

confirm that.

Thanks,


Paul Bolle


  parent reply	other threads:[~2015-04-20 18:28 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-20  9:27 [PATCH v3 0/2] cpufreq: add cpufreq driver for Mediatek MT8173 SoC pi-cheng.chen
2015-04-20  9:27 ` [PATCH 1/2] cpufreq: mediatek: Add MT8173 cpufreq driver pi-cheng.chen
2015-04-20 14:17   ` Josh Cartwright
2015-04-20 18:31     ` Paul Bolle
2015-04-22  3:11     ` Pi-Cheng Chen
2015-04-22 14:33       ` Josh Cartwright
2015-04-20 18:28   ` Paul Bolle [this message]
2015-04-22  3:14     ` Pi-Cheng Chen
2015-04-23 12:01   ` Sascha Hauer
2015-04-24  6:46     ` Pi-Cheng Chen
2015-04-24 12:55       ` Sascha Hauer
2015-05-07  9:42         ` Pi-Cheng Chen
2015-04-23 12:56   ` Mark Rutland
2015-04-24  6:50     ` Pi-Cheng Chen
2015-04-29  6:06       ` Viresh Kumar
2015-04-30  7:42   ` Sascha Hauer
2015-05-07  9:40     ` Pi-Cheng Chen
2015-04-20  9:27 ` [PATCH 2/2] ARM64: mt8173: dts Add MT8173 cpufreq driver support pi-cheng.chen
2015-04-23 12:53   ` Mark Rutland
2015-04-24  7:09     ` Pi-Cheng Chen
2015-05-18 13:29       ` Pi-Cheng Chen

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