From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawnguo@kernel.org (Shawn Guo) Date: Fri, 30 Dec 2016 19:57:23 +0800 Subject: [PATCH 2/2] ARM: imx: Add speed grading check for imx6ul In-Reply-To: <1480475098-2037-2-git-send-email-ping.bai@nxp.com> References: <1480475098-2037-1-git-send-email-ping.bai@nxp.com> <1480475098-2037-2-git-send-email-ping.bai@nxp.com> Message-ID: <20161230115717.GR6177@dragon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 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