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From: Stephen Boyd <sboyd@codeaurora.org>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Russell King - ARM Linux <linux@armlinux.org.uk>,
	Rob Herring <robh@kernel.org>,
	Linux-ALSA <alsa-devel@alsa-project.org>,
	Linux-DT <devicetree@vger.kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Linux-Kernel <linux-kernel@vger.kernel.org>,
	Mark Brown <broonie@kernel.org>,
	linux-clk@vger.kernel.org,
	Linux-ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/3] ASoC: simple-card-utils: enable clocks/clock-names/clock-ranges
Date: Thu, 8 Dec 2016 14:09:01 -0800	[thread overview]
Message-ID: <20161208220901.GN5423@codeaurora.org> (raw)
In-Reply-To: <87zikbuezr.wl%kuninori.morimoto.gx@renesas.com>

On 12/05, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> Current simple-card is supporting this style for clocks
> 
> 	sound {
> 		...
> 		simple-audio-card,cpu {
> 			sound-dai = <&xxx>;
> 			clocks = <&cpu_clock>;
> 		};
> 		simple-audio-card,codec {
> 			sound-dai = <&xxx>;
> 			clocks = <&codec_clock>;
> 		};
> 	};
> 
> Now, it can support this style too, because we can use
> devm_get_clk_from_child() now.
> 
> 	sound {
> 		...
> 		clocks = <&cpu_clock>, <&codec_clock>;
> 		clock-names = "cpu", "codec";
> 		clock-ranges;
> 		...
> 		simple-audio-card,cpu {
> 			sound-dai = <&xxx>;
> 		};
> 		simple-audio-card,codec {
> 			sound-dai = <&xxx>;
> 		};
> 	};
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

I don't see any reason why we need this patch though. The binding
works as is, so supporting different styles doesn't seem like a
good idea to me. Let's just keep what we have? Even if a sub-node
like cpu or codec gets more than one element in the clocks list
property, we can make that work by passing a clock-name then
based on some sort of other knowledge.

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

WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ASoC: simple-card-utils: enable clocks/clock-names/clock-ranges
Date: Thu, 8 Dec 2016 14:09:01 -0800	[thread overview]
Message-ID: <20161208220901.GN5423@codeaurora.org> (raw)
In-Reply-To: <87zikbuezr.wl%kuninori.morimoto.gx@renesas.com>

On 12/05, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> 
> Current simple-card is supporting this style for clocks
> 
> 	sound {
> 		...
> 		simple-audio-card,cpu {
> 			sound-dai = <&xxx>;
> 			clocks = <&cpu_clock>;
> 		};
> 		simple-audio-card,codec {
> 			sound-dai = <&xxx>;
> 			clocks = <&codec_clock>;
> 		};
> 	};
> 
> Now, it can support this style too, because we can use
> devm_get_clk_from_child() now.
> 
> 	sound {
> 		...
> 		clocks = <&cpu_clock>, <&codec_clock>;
> 		clock-names = "cpu", "codec";
> 		clock-ranges;
> 		...
> 		simple-audio-card,cpu {
> 			sound-dai = <&xxx>;
> 		};
> 		simple-audio-card,codec {
> 			sound-dai = <&xxx>;
> 		};
> 	};
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

I don't see any reason why we need this patch though. The binding
works as is, so supporting different styles doesn't seem like a
good idea to me. Let's just keep what we have? Even if a sub-node
like cpu or codec gets more than one element in the clocks list
property, we can make that work by passing a clock-name then
based on some sort of other knowledge.

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

  reply	other threads:[~2016-12-08 22:09 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-05  5:22 [PATCH 0/3] clkdev: add devm_get_clk_from_child() Kuninori Morimoto
2016-12-05  5:22 ` Kuninori Morimoto
2016-12-05  5:22 ` Kuninori Morimoto
2016-12-05  5:23 ` [PATCH 1/3] " Kuninori Morimoto
2016-12-05  5:23   ` Kuninori Morimoto
2016-12-05  5:23   ` Kuninori Morimoto
2016-12-09 20:31   ` Russell King - ARM Linux
2016-12-09 20:31     ` Russell King - ARM Linux
     [not found] ` <874m2jvtmw.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2016-12-05  5:23   ` [PATCH 2/3] ASoC: simple-card: use devm_get_clk_from_child() Kuninori Morimoto
2016-12-05  5:23     ` Kuninori Morimoto
2016-12-05  5:23     ` Kuninori Morimoto
2016-12-08 22:09     ` Stephen Boyd
2016-12-08 22:09       ` Stephen Boyd
2016-12-09  0:20       ` Kuninori Morimoto
2016-12-09  0:20         ` Kuninori Morimoto
2016-12-09  0:20         ` Kuninori Morimoto
     [not found]         ` <877f7aymxu.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2016-12-09  0:28           ` Stephen Boyd
2016-12-09  0:28             ` Stephen Boyd
2016-12-09  0:28             ` Stephen Boyd
2016-12-09  0:33             ` Kuninori Morimoto
2016-12-09  0:33               ` Kuninori Morimoto
2016-12-09  0:33               ` Kuninori Morimoto
2017-01-24 18:39     ` Applied "ASoC: simple-card: use devm_get_clk_from_child()" to the asoc tree Mark Brown
2017-01-24 18:39       ` Mark Brown
2017-01-24 18:39       ` Mark Brown
2016-12-05  5:23 ` [PATCH 3/3] ASoC: simple-card-utils: enable clocks/clock-names/clock-ranges Kuninori Morimoto
2016-12-05  5:23   ` Kuninori Morimoto
2016-12-05  5:23   ` Kuninori Morimoto
2016-12-08 22:09   ` Stephen Boyd [this message]
2016-12-08 22:09     ` Stephen Boyd
     [not found]     ` <20161208220901.GN5423-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-12-09  0:21       ` Kuninori Morimoto
2016-12-09  0:21         ` Kuninori Morimoto
2016-12-09  0:21         ` Kuninori Morimoto
2016-12-09  0:22       ` Kuninori Morimoto
2016-12-09  0:22         ` Kuninori Morimoto
2016-12-09  0:22         ` Kuninori Morimoto
2016-12-09  0:26         ` Stephen Boyd
2016-12-09  0:26           ` Stephen Boyd
2016-12-09  0:55           ` Kuninori Morimoto
2016-12-09  0:55             ` Kuninori Morimoto
2016-12-09  0:55             ` Kuninori Morimoto
2016-12-08 22:08 ` [PATCH 0/3] clkdev: add devm_get_clk_from_child() Stephen Boyd
2016-12-08 22:08   ` Stephen Boyd
     [not found]   ` <20161208220824.GM5423-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-12-09  0:25     ` Kuninori Morimoto
2016-12-09  0:25       ` Kuninori Morimoto
2016-12-09  0:25       ` Kuninori Morimoto
2016-12-15 12:21       ` Mark Brown
2016-12-15 12:21         ` Mark Brown
2016-12-16  0:02         ` Kuninori Morimoto
2016-12-16  0:02           ` Kuninori Morimoto
2016-12-16  0:02           ` Kuninori Morimoto
2017-03-29  1:16 ` Question about of_clk_put ? Kuninori Morimoto
2017-03-29  1:16   ` Kuninori Morimoto
2017-03-30  1:46   ` [alsa-devel] " Kuninori Morimoto
2017-03-30  1:46     ` Kuninori Morimoto

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