linux-kernel - Re: [PATCH v3 6/6] ACPI: import watchdog info of GTDT into platform device

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Date:	Tue, 26 May 2015 22:08:14 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	Hanjun Guo <hanjun.guo@...aro.org>, fu.wei@...aro.org,
	Suravee.Suthikulpanit@....com, linaro-acpi@...ts.linaro.org,
	linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
CC:	tekkamanninja@...il.com, graeme.gregory@...aro.org,
	al.stone@...aro.org, ashwin.chaugule@...aro.org, arnd@...db.de,
	linux@...ck-us.net, vgandhi@...eaurora.org, wim@...ana.be,
	jcm@...hat.com, leo.duran@....com, corbet@....net,
	mark.rutland@....com, catalin.marinas@....com, will.deacon@....com
Subject: Re: [PATCH v3 6/6] ACPI: import watchdog info of GTDT into
 platform device

Hanjun Guo wrote:
>> I don't agree with this.  The GTDT should be parsed even if there's no
>> watchdog driver compiled for this kernel.  There are no other #ifdefs in
>> this file.
>
> So what's the point of parse GTDT and alloc memories for it if there
> is no watchdog driver compiled for the kernel?

I don't think it's normal policy to generate a platform only if one 
specific driver is enabled.

 > will the module insmod
> later even if the CONFIG_ARM_SBSA_WATCHDOG=n?

I think that actually can work, but it's not a good reason by itself.

> OK, that's good point. but what I proposed is some hint to which driver
> will use the data prepared in this file, we can easily understand it
> in this patchset, but if just review the code in this fiel, I think
> people will be confused without detail comments.

All anyone needs to is

	git grep "sbsa-gwdt"

And you'll find the driver.

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
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