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From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Lee Jones <lee.jones@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, mturquette@linaro.org,
	sboyd@codeaurora.org, kernel@stlinux.com,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v3 0/4] clk: st: New always-on clock domain
Date: Sat, 28 Feb 2015 00:38:59 +0100	[thread overview]
Message-ID: <87sidq3ox8.fsf@free.fr> (raw)
In-Reply-To: <20150227214941.GB12821@x1> (Lee Jones's message of "Fri, 27 Feb 2015 21:49:41 +0000")

Lee Jones <lee.jones@linaro.org> writes:

>> I wonder why there is a need for a new clock when CLK_IGNORE_UNUSED does
>> exist. What is the usecase that is covered by this patchset which is not used by
>> CLK_IGNORE_UNUSED clock flag ?
>> 
>> And if that reason exists, I'd like to find it in the commit message.
>
> The problem is applying that flag in a generic way.
>
> However, I guess you haven't seen this [1] yet?
>
> [1] https://lkml.org/lkml/2015/2/27/548
I have.

And yet :
 1) This won't go in a _commit_ message (as opposed to cover-letter). Moreover
    it doesn't specify which usecase is not covered by CLK_IGNORE_UNUSED, it
    says, up to my understanding, that is it another way to have to
    CLK_IGNORE_UNUSED flag applied.

 2) I still fail to see why this is necessary
    IOW why declaring the mandatory always-on clocks with the proper flag should
    be augmented with a new clock list. Isn't the existing flag the generic way
    ?

I might not understand the real motivation behind that of course, that's why I'm
asking.

Cheers.

-- 
Robert

  reply	other threads:[~2015-02-27 23:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24 17:33 Lee Jones
2015-02-24 17:33 ` [PATCH v3 1/4] ARM: sti: stih407-family: Supply defines for CLOCKGEN A0 Lee Jones
2015-02-24 17:33 ` [PATCH v3 2/4] ARM: sti: stih407-family: Add platform interconnects to always-on clk domain Lee Jones
2015-02-24 17:33 ` [PATCH v3 3/4] clk: Provide an always-on clock domain framework Lee Jones
2015-02-24 17:33 ` [PATCH v3 4/4] clk: dt: Introduce always-on clock domain documentation Lee Jones
2015-02-24 17:42 ` [PATCH v3 0/4] clk: st: New always-on clock domain Lee Jones
2015-02-27 21:37 ` Robert Jarzmik
2015-02-27 21:49   ` Lee Jones
2015-02-27 23:38     ` Robert Jarzmik [this message]
2015-03-02  8:30       ` Lee Jones
2015-03-02 11:29         ` Robert Jarzmik
2015-03-02 11:37           ` Lee Jones
2015-03-04 12:00 ` Lee Jones
2015-03-06 19:08   ` Mike Turquette
2015-03-09  9:28     ` Lee Jones
2015-03-25  4:11       ` Geert Uytterhoeven
2015-03-26 13:51         ` Lee Jones
2015-03-26 16:55           ` Geert Uytterhoeven
2015-03-26 19:38             ` Lee Jones
2015-04-02  8:31               ` Geert Uytterhoeven
2015-04-02 10:48                 ` Lee Jones

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