From: Stephen Boyd <sboyd@codeaurora.org>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: "Mike Turquette" <mturquette@baylibre.com>,
linux-clk@vger.kernel.org, "Jonathan Corbet" <corbet@lwn.net>,
"Tony Lindgren" <tony@atomide.com>,
"Ralf Baechle" <ralf@linux-mips.org>,
"Emilio López" <emilio@elopez.com.ar>,
"Maxime Ripard" <maxime.ripard@free-electrons.com>,
"Tero Kristo" <t-kristo@ti.com>,
"Peter De Schrijver" <pdeschrijver@nvidia.com>,
"Prashant Gaikwad" <pgaikwad@nvidia.com>,
"Stephen Warren" <swarren@wwwdotorg.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Alexandre Courbot" <gnurou@gmail.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
linux-mips@linux-mips.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH v5] clk: change clk_ops' ->determine_rate() prototype
Date: Wed, 08 Jul 2015 11:07:42 -0700 [thread overview]
Message-ID: <559D66EE.4060707@codeaurora.org> (raw)
In-Reply-To: <20150708110005.704c49ff@bbrezillon>
On 07/08/2015 02:00 AM, Boris Brezillon wrote:
> Hi Stephen,
>
> On Tue, 7 Jul 2015 17:57:48 -0700
> Stephen Boyd <sboyd@codeaurora.org> wrote:
>
>> On 07/07, Boris Brezillon wrote:
>>>
>>> } else {
>>> pr_err("clk: clk_composite_determine_rate function called, but no mux or rate callback set!\n");
>>> + req->rate = 0;
>>> return 0;
>> Shouldn't this return an error now? And then assigning req->rate
>> wouldn't be necessary. Sorry I must have missed this last round.
>>
> Actually I wanted to keep the existing behavior: return a 0 rate (not
> an error) when there is no mux or rate ops.
>
> That's something we can change afterwards, but it might reveals
> new bugs if some users are checking for a 0 rate to detect errors.
>
Ok. Care to send the patch now to do that while we're thinking about it?
We can test it out for a month or two.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-07-08 18:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-07 18:48 [PATCH v5] clk: change clk_ops' ->determine_rate() prototype Boris Brezillon
2015-07-08 0:57 ` Stephen Boyd
2015-07-08 9:00 ` Boris Brezillon
2015-07-08 18:07 ` Stephen Boyd [this message]
2015-07-09 20:39 ` Boris Brezillon
2015-07-13 23:02 ` Stephen Boyd
2015-07-14 10:47 ` Boris Brezillon
2015-07-13 9:01 ` Tero Kristo
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