From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH 2/2] ARM: imx: Add speed grading check for imx6ul Date: Fri, 30 Dec 2016 19:57:23 +0800 Message-ID: <20161230115717.GR6177@dragon> References: <1480475098-2037-1-git-send-email-ping.bai@nxp.com> <1480475098-2037-2-git-send-email-ping.bai@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1480475098-2037-2-git-send-email-ping.bai-3arQi8VN3Tc@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Bai Ping Cc: kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, fabio.estevam-3arQi8VN3Tc@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org 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 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. Shawn -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html