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From: Maxime Ripard <maxime@cerno.tech>
To: Stephen Boyd <sboyd@kernel.org>
Cc: "Abel Vesa" <abelvesa@kernel.org>,
	"Alessandro Zummo" <a.zummo@towertech.it>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
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Subject: Re: [PATCH v2 00/65] clk: Make determine_rate mandatory for muxes
Date: Wed, 22 Mar 2023 11:01:53 +0100	[thread overview]
Message-ID: <20230322100153.gzyznaukbdngcvko@houat> (raw)
In-Reply-To: <f804380a14c346fdbbf3286bcb40b3c2.sboyd@kernel.org>

[-- Attachment #1: Type: text/plain, Size: 1175 bytes --]

Hi Stephen,

On Tue, Mar 21, 2023 at 04:55:03PM -0700, Stephen Boyd wrote:
> Quoting Maxime Ripard (2022-11-04 06:17:17)
> > Hi,
> > 
> > This is a follow-up to a previous series that was printing a warning
> > when a mux has a set_parent implementation but is missing
> > determine_rate().
> > 
> > The rationale is that set_parent() is very likely to be useful when
> > changing the rate, but it's determine_rate() that takes the parenting
> > decision. If we're missing it, then the current parent is always going
> > to be used, and thus set_parent() will not be used. The only exception
> > being a direct call to clk_set_parent(), but those are fairly rare
> > compared to clk_set_rate().
> > 
> > Stephen then asked to promote the warning to an error, and to fix up all
> > the muxes that are in that situation first. So here it is :)
> > 
> > Let me know what you think,
> 
> What's the plan here? Are you going to resend?

It wasn't clear to me whether or not this was something that you wanted,
and I got some pushback on the drivers so I kind of forgot about it.

If you do want it (and it looks like you do), I'll resend it.

Maxime

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      parent reply	other threads:[~2023-03-22 10:21 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20221018-clk-range-checks-fixes-v2-0-f6736dec138e@cerno.tech>
     [not found] ` <20221018-clk-range-checks-fixes-v2-56-f6736dec138e@cerno.tech>
2022-11-04 14:31   ` [PATCH v2 56/65] clk: ingenic: cgu: Switch to determine_rate Paul Cercueil
2022-11-04 14:59     ` Maxime Ripard
2022-11-04 17:35       ` Aidan MacDonald
2022-11-07  8:54         ` Maxime Ripard
2022-11-07 20:57           ` Aidan MacDonald
2022-11-09 11:00             ` Maxime Ripard
     [not found]               ` <06a293adc75990ed3e297b076fc38d8a.sboyd@kernel.org>
2023-03-23 15:35                 ` Aidan MacDonald
2023-03-24 11:19                   ` Maxime Ripard
2023-03-24 20:58                     ` Aidan MacDonald
2023-03-27 19:24                       ` Maxime Ripard
2023-04-05 12:57                         ` Paul Cercueil
2023-04-05 14:50                           ` Maxime Ripard
2023-04-05 15:29                             ` Paul Cercueil
2022-11-05 10:33       ` Paul Cercueil
2022-11-09 10:53         ` Maxime Ripard
2022-11-09 11:36           ` Paul Cercueil
     [not found] ` <20221018-clk-range-checks-fixes-v2-43-f6736dec138e@cerno.tech>
2022-11-04 15:44   ` [PATCH v2 43/65] ASoC: tlv320aic32x4: Add a determine_rate hook Mark Brown
2022-11-04 15:51     ` Maxime Ripard
2022-11-04 15:59       ` Mark Brown
2022-11-07  8:43         ` Maxime Ripard
2022-11-07 12:06           ` Mark Brown
2022-11-07 15:26             ` Maxime Ripard
2022-11-07 16:02               ` Mark Brown
     [not found]               ` <5819b1362f35ce306e1b6d566bfd44e5.sboyd@kernel.org>
2023-03-29 19:50                 ` Maxime Ripard
     [not found] ` <20221018-clk-range-checks-fixes-v2-21-f6736dec138e@cerno.tech>
2022-11-04 16:45   ` [PATCH v2 21/65] clk: davinci: da8xx-cfgchip: " David Lechner
2022-11-07 12:06     ` Maxime Ripard
2022-11-07 14:52       ` David Lechner
     [not found] ` <20221018-clk-range-checks-fixes-v2-22-f6736dec138e@cerno.tech>
2022-11-04 16:46   ` [PATCH v2 22/65] " David Lechner
     [not found] ` <20221018-clk-range-checks-fixes-v2-54-f6736dec138e@cerno.tech>
2022-11-04 16:49   ` [PATCH v2 54/65] clk: da8xx: clk48: Switch to determine_rate David Lechner
2022-11-07 14:52     ` Maxime Ripard
     [not found] ` <20221018-clk-range-checks-fixes-v2-42-f6736dec138e@cerno.tech>
2022-11-05  3:45   ` [PATCH v2 42/65] rtc: sun6i: Add a determine_rate hook Samuel Holland
     [not found] ` <20221018-clk-range-checks-fixes-v2-28-f6736dec138e@cerno.tech>
2022-11-07  7:51   ` [PATCH v2 28/65] clk: renesas: r9a06g032: " Geert Uytterhoeven
     [not found] ` <20221018-clk-range-checks-fixes-v2-65-f6736dec138e@cerno.tech>
2022-11-07 10:56   ` [PATCH v2 65/65] clk: Warn if we register a mux without determine_rate Charles Keepax
     [not found] ` <20221018-clk-range-checks-fixes-v2-20-f6736dec138e@cerno.tech>
2022-11-07 10:58   ` [PATCH v2 20/65] clk: wm831x: clkout: Add a determine_rate hook Charles Keepax
     [not found] ` <20221018-clk-range-checks-fixes-v2-34-f6736dec138e@cerno.tech>
2022-11-08 13:25   ` [PATCH v2 34/65] clk: ux500: prcmu: " Linus Walleij
2022-11-09 11:05     ` Maxime Ripard
     [not found] ` <20221018-clk-range-checks-fixes-v2-58-f6736dec138e@cerno.tech>
2022-11-09  2:43   ` [PATCH v2 58/65] clk: sprd: composite: Switch to determine_rate Chunyan Zhang
     [not found] ` <20221018-clk-range-checks-fixes-v2-35-f6736dec138e@cerno.tech>
2022-11-08 13:27   ` [PATCH v2 35/65] clk: ux500: sysctrl: Add a determine_rate hook Linus Walleij
2022-11-10 11:28   ` Ulf Hansson
2022-11-10 11:39     ` Linus Walleij
2022-11-10 13:05       ` Ulf Hansson
2022-11-11  9:20         ` Linus Walleij
2022-11-14  9:05           ` Lee Jones
     [not found] ` <20221018-clk-range-checks-fixes-v2-13-f6736dec138e@cerno.tech>
2022-11-13 22:35   ` [PATCH v2 13/65] clk: lmk04832: clkout: " Liam Beguin
     [not found] ` <f804380a14c346fdbbf3286bcb40b3c2.sboyd@kernel.org>
2023-03-22 10:01   ` Maxime Ripard [this message]

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