linux-kernel - Re: [RESEND PATCH v4 1/5] clocksource: move some enums and marcos to header file for arm_arch

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Message-ID: <CADyBb7tZ5UDGoZw1C1Db5r4UTSXCTrdeJEAaXVWSMY7qbD9TFg@mail.gmail.com>
Date:	Tue, 29 Mar 2016 17:38:49 +0800
From:	Fu Wei <fu.wei@...aro.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Rafael Wysocki <rjw@...ysocki.net>, Len Brown <lenb@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	Linaro ACPI Mailman List <linaro-acpi@...ts.linaro.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Richard Ruigrok <rruigrok@...eaurora.org>,
	"Abdulhamid, Harb" <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 Suthikulpanit <Suravee.Suthikulpanit@....com>,
	Leo Duran <leo.duran@....com>
Subject: Re: [RESEND PATCH v4 1/5] clocksource: move some enums and marcos to
 header file for arm_arch_timer

Hi Thomas,

On 18 March 2016 at 17:27, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Fri, 18 Mar 2016, fu.wei@...aro.org wrote:
>
> Subject: clocksource: move some enums and marcos to header file for arm_arch_timer
>
> That sucks.
>
> 1) The prefix is crap. It suggests this is about the generic clocksource code
>
>    clocksource/drivers/arm_arch_timer:
>
>    Is the proper prefix
>
> 2) Sentences start with upper case letters
>
> 3) What exactly are 'marcos' ?
>
> So a useful subject line would be;
>
> clocksource/drivers/arm_arch_timer: Move enums and defines to header file
>
>> From: Fu Wei <fu.wei@...aro.org>
>>
>> The patch sorts out the code for arm_arch_timer:
>
> What does it sort out? Nothing, AFAICT.
>
> You miss to explain WHY you are doing this. The list below is completely
> useless because one can see that from the patch.
>
> So this wants to be something like this:
>
> To support the arm_arch_timer via ACPI we need to share defines and enums
> between the driver and the ACPI parser code.
>
> Split out the relevant defines and enums into arm_arch_timer.h. No functional
> change.
>
>>     (1)move enum ppi_nr to the header file
>>     (2)move "ARCH_*_TIMER" marcos to the header file
>>     (3)add enum spi_nr in the header file, and use it in the driver
>>     (4)add ARCH_WD_TIMER and ARCH_TIMER_MEM_MAX_FRAME marcos
>
> So this does 3 things at once.
>
>    1) Move existing defines and enums
>
>    2) Add a new enum and convert the driver to use it
>
>    3) Add new defines without using them
>
> So this needs to be seperate
>
>    #1) This patch
>
>    #2) Seperate patch which adds the new enum and converts the places in the
>        driver
>
>    #3) This needs to go into the patch which actually uses the defines.

Great thanks , will fix these following your suggestion :-)

>
> Thanks,
>
>         tglx



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
Room 1512, Regus One Corporate Avenue,Level 15,
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