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From: Shawn Guo <shawn.guo@freescale.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Anson Huang <b20788@freescale.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Sascha Hauer <kernel@pengutronix.de>
Subject: Re: [PATCH 0/3] move gpt per clk parent for ipg_per to OSC
Date: Fri, 5 Sep 2014 08:35:25 +0800	[thread overview]
Message-ID: <20140905003523.GD10809@dragon> (raw)
In-Reply-To: <CAOMZO5BOfsvrH3ijxKwyGemEW-B60n-+4wpDZ5xfC98efM469w@mail.gmail.com>

On Thu, Sep 04, 2014 at 07:50:35PM -0300, Fabio Estevam wrote:
> This patch series works fine if we use the new dtb and new kernel.
> 
> However, booting a kernel with these series applied and using an old
> dtb we get a system with broken timer.
> 
> 'sleep 1' takes something like 20 seconds in this case.

Oh, yes.  It breaks the compatibility with existing DTB.  Dropped the
patches for now.

Anson,

We may need to query the clock rate and then decide how to set up those
register bits?

Shawn

WARNING: multiple messages have this Message-ID (diff)
From: shawn.guo@freescale.com (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] move gpt per clk parent for ipg_per to OSC
Date: Fri, 5 Sep 2014 08:35:25 +0800	[thread overview]
Message-ID: <20140905003523.GD10809@dragon> (raw)
In-Reply-To: <CAOMZO5BOfsvrH3ijxKwyGemEW-B60n-+4wpDZ5xfC98efM469w@mail.gmail.com>

On Thu, Sep 04, 2014 at 07:50:35PM -0300, Fabio Estevam wrote:
> This patch series works fine if we use the new dtb and new kernel.
> 
> However, booting a kernel with these series applied and using an old
> dtb we get a system with broken timer.
> 
> 'sleep 1' takes something like 20 seconds in this case.

Oh, yes.  It breaks the compatibility with existing DTB.  Dropped the
patches for now.

Anson,

We may need to query the clock rate and then decide how to set up those
register bits?

Shawn

  parent reply	other threads:[~2014-09-05  0:35 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-03  7:36 [PATCH 0/3] move gpt per clk parent for ipg_per to OSC Anson Huang
2014-09-03  7:36 ` Anson Huang
2014-09-03  7:36 ` [PATCH 3/3] ARM: imx: source gpt per clk from OSC for system timer Anson Huang
2014-09-03  7:36   ` Anson Huang
     [not found] ` <1409729805-9741-1-git-send-email-b20788-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-09-03  7:36   ` [PATCH 1/3] ARM: imx: add gpt_3m clk for i.mx6qdl Anson Huang
2014-09-03  7:36     ` Anson Huang
2014-09-03  7:36   ` [PATCH 2/3] ARM: dts: imx6: change gpt per clk to gpt_3m on i.mx6qdl and i.mx6sx Anson Huang
2014-09-03  7:36     ` Anson Huang
2014-09-04  3:56   ` [PATCH 0/3] move gpt per clk parent for ipg_per to OSC Shawn Guo
2014-09-04  3:56     ` Shawn Guo
2014-09-04 22:50   ` Fabio Estevam
2014-09-04 22:50     ` Fabio Estevam
     [not found]     ` <CAOMZO5BOfsvrH3ijxKwyGemEW-B60n-+4wpDZ5xfC98efM469w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-04 23:37       ` Anson.Huang-KZfg59tc24xl57MIdRCFDg
2014-09-04 23:37         ` Anson.Huang at freescale.com
     [not found]         ` <9B0C19C6-6C3B-47DC-9DC4-5BD42CE294A4-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-09-04 23:42           ` Fabio Estevam
2014-09-04 23:42             ` Fabio Estevam
2014-09-05  0:35     ` Shawn Guo [this message]
2014-09-05  0:35       ` Shawn Guo
2014-09-05  3:32       ` Anson.Huang
2014-09-05  3:32         ` Anson.Huang at freescale.com

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