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From: Jacky Bai <ping.bai-3arQi8VN3Tc@public.gmane.org>
To: Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org"
	<kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org"
	<robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"mark.rutland-5wv7dgnIgG8@public.gmane.org"
	<mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: RE: [PATCH 2/2] ARM: imx: Add speed grading check for imx6ul
Date: Tue, 3 Jan 2017 01:01:47 +0000	[thread overview]
Message-ID: <AM3PR04MB530A48CFF0C4089F762ACA6876E0@AM3PR04MB530.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20161230115717.GR6177@dragon>

> On Wed, Nov 30, 2016 at 11:04:58AM +0800, Bai Ping wrote:
> > On i.MX6UL, it has two type of part, the difference is the max ARM
> > frequency that can run at(528MHz/700MHz).
> > The part can be identified by part marking for speed grading fuse.
> > This patch add speed grading check to disable the unsupported OPP
> > dynamically.
> >
> > Signed-off-by: Bai Ping <ping.bai-3arQi8VN3Tc@public.gmane.org>
> 
> We chose to handle such speed grading thing in IMX platform code with the
> assumption that this is a special case for i.MX6Q only.  No, I'm not going to take
> such code for any other i.MX6 SoCs.  Please patch cpufreq driver to handle the
> speed grading check.
> 

Thanks, I will try to add in cpufreq.

> Shawn
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WARNING: multiple messages have this Message-ID (diff)
From: ping.bai@nxp.com (Jacky Bai)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: imx: Add speed grading check for imx6ul
Date: Tue, 3 Jan 2017 01:01:47 +0000	[thread overview]
Message-ID: <AM3PR04MB530A48CFF0C4089F762ACA6876E0@AM3PR04MB530.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20161230115717.GR6177@dragon>

> On Wed, Nov 30, 2016 at 11:04:58AM +0800, Bai Ping wrote:
> > On i.MX6UL, it has two type of part, the difference is the max ARM
> > frequency that can run at(528MHz/700MHz).
> > The part can be identified by part marking for speed grading fuse.
> > This patch add speed grading check to disable the unsupported OPP
> > dynamically.
> >
> > Signed-off-by: Bai Ping <ping.bai@nxp.com>
> 
> We chose to handle such speed grading thing in IMX platform code with the
> assumption that this is a special case for i.MX6Q only.  No, I'm not going to take
> such code for any other i.MX6 SoCs.  Please patch cpufreq driver to handle the
> speed grading check.
> 

Thanks, I will try to add in cpufreq.

> Shawn

  reply	other threads:[~2017-01-03  1:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-30  3:04 [PATCH 1/2] ARM: dts: imx: Add 696MHz setpoint for imx6ul Bai Ping
2016-11-30  3:04 ` Bai Ping
2016-11-30  3:04 ` [PATCH 2/2] ARM: imx: Add speed grading check " Bai Ping
2016-11-30  3:04   ` Bai Ping
     [not found]   ` <1480475098-2037-2-git-send-email-ping.bai-3arQi8VN3Tc@public.gmane.org>
2016-12-30 11:57     ` Shawn Guo
2016-12-30 11:57       ` Shawn Guo
2017-01-03  1:01       ` Jacky Bai [this message]
2017-01-03  1:01         ` Jacky Bai

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