linux-kernel - Re: [PATCH v6 00/10] acpi, clocksource: add GTDT driver and GTDT support in arm_arch

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Message-ID: <CAJZ5v0iD5OYjp7ozmzoQ3zK-3+eMpdwzDxYgD=saLPjNeoq0Qg@mail.gmail.com>
Date:	Wed, 29 Jun 2016 23:32:16 +0200
From:	"Rafael J. Wysocki" <rafael@...nel.org>
To:	Fu Wei <fu.wei@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Marc Zyngier <marc.zyngier@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	rruigrok@...eaurora.org, harba@...eaurora.org,
	Christopher Covington <cov@...eaurora.org>,
	Timur Tabi <timur@...eaurora.org>,
	G Gregory <graeme.gregory@...aro.org>,
	Al Stone <al.stone@...aro.org>, Jon Masters <jcm@...hat.com>,
	wei@...hat.com, Arnd Bergmann <arnd@...db.de>,
	Wim Van Sebroeck <wim@...ana.be>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Suravee Suthikulanit <Suravee.Suthikulpanit@....com>,
	Leo Duran <leo.duran@....com>
Subject: Re: [PATCH v6 00/10] acpi, clocksource: add GTDT driver and GTDT
 support in arm_arch_timer

On Wed, Jun 29, 2016 at 8:15 PM,  <fu.wei@...aro.org> wrote:
> From: Fu Wei <fu.wei@...aro.org>
>
> This patchset:
>     (1)Preparation for adding GTDT support in arm_arch_timer
>         1. Move some enums and marcos to header file
>         2. Add a new enum for spi type.
>         3. Improve printk relevant code
>
>     (2)Introduce ACPI GTDT parser: drivers/acpi/gtdt.c
>     Parse all kinds of timer in GTDT table of ACPI:arch timer,
>     memory-mapped timer and SBSA Generic Watchdog timer.
>     This driver can help to simplify all the relevant timer drivers,
>     and separate all the ACPI GTDT knowledge from them.
>
>     (3)Simplify ACPI code for arm_arch_timer
>
>     (4)Add GTDT support for ARM memory-mapped timer

GTDT is ARM-specific AFAICS.

If so, why do we need that code to reside in drivers/acpi/ ?

Thanks,
Rafael