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From: Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Michael Turquette
	<mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	Alexandre Courbot
	<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [GIT PULL] clk: tegra: Changes for v4.7-rc1
Date: Mon, 9 May 2016 15:42:19 -0700	[thread overview]
Message-ID: <20160509224219.GY3492@codeaurora.org> (raw)
In-Reply-To: <20160509051946.GA18753-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>

On 05/09, Thierry Reding wrote:
>
> I'm not aware of any API that would fit in this case. Power domains
> would be misleading because power management isn't involved. One other
> alternative that I had thought about is to make it a "virtual" reset,
> but that is equally misleading because nothing is really being reset
> here.
> 
> Yet another option might be to make it a "virtual" clock, though it'd
> have to be somewhat hacky because we need two steps (one to enable HW
> control and another to start the HW sequencer). That could be
> implemented using ->prepare() and ->enable(), respectively, but it's
> really not a clock either.
> 
> I welcome any ideas on how to turn this into something generic, though.
> 

I suggested power domains because it looks like SoC glue code
that we need to do when the device is powered on and off? Unless
I totally misread how it was used. And I suppose I should have
said generic power domains (genpd) instead of power domains,
because I agree it's not actual power management, just some SoC
runtime PM stuff it seems. But who knows, I probably misread it
all.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

      parent reply	other threads:[~2016-05-09 22:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-29 15:59 [GIT PULL] clk: tegra: Changes for v4.7-rc1 Thierry Reding
     [not found] ` <1461945596-24090-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-05-03  0:02   ` Stephen Boyd
     [not found]     ` <20160503000248.GB3492-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-05-09  5:19       ` Thierry Reding
     [not found]         ` <20160509051946.GA18753-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2016-05-09 22:42           ` Stephen Boyd [this message]

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