From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v6 5/5] ARM: dts: rockchip: disable arm-global-timer for rk3188 Date: Wed, 01 Feb 2017 10:48:53 +0100 Message-ID: <2265306.UfJ65TkXez@phil> References: <1485866596-32254-1-git-send-email-al.kochet@gmail.com> <1485866596-32254-6-git-send-email-al.kochet@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1485866596-32254-6-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alexander Kochetkov Cc: Daniel Lezcano , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Thomas Gleixner , Mark Rutland , Rob Herring , Russell King , Caesar Wang , Huang Tao List-Id: devicetree@vger.kernel.org Am Dienstag, 31. Januar 2017, 15:43:16 CET schrieb Alexander Kochetkov: > The clocksource and the sched_clock provided by the arm_global_timer > are quite unstable because their rates depend on the cpu frequency. > > On the other side, the arm_global_timer has a higher rating than the > rockchip_timer, it will be selected by default by the time framework > while we want to use the stable rockchip clocksource. > > Let's disable the arm_global_timer in order to have the rockchip > clocksource selected by default. > > Signed-off-by: Alexander Kochetkov depending on who is picking that up, they can add my Reviewed-by: Heiko Stuebner if needed. Later on we might need to look at the rk3066 as well, as it might have the same issue. -- 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