From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95540C432C3 for ; Sat, 16 Nov 2019 09:52:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6293A2072D for ; Sat, 16 Nov 2019 09:52:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727088AbfKPJwg (ORCPT ); Sat, 16 Nov 2019 04:52:36 -0500 Received: from gloria.sntech.de ([185.11.138.130]:58362 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726366AbfKPJwg (ORCPT ); Sat, 16 Nov 2019 04:52:36 -0500 Received: from ip5f5a6266.dynamic.kabel-deutschland.de ([95.90.98.102] helo=phil.fritz.box) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1iVuko-0004bM-Sh; Sat, 16 Nov 2019 10:52:30 +0100 From: Heiko Stuebner To: linux-rockchip@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, christoph.muellner@theobroma-systems.com, kever.yang@rock-chips.com, cl@rock-chips.com, heiko@sntech.de, Heiko Stuebner Subject: [PATCH] arm64: dts: rockchip: remove 408MHz operating point from px30 Date: Sat, 16 Nov 2019 10:52:20 +0100 Message-Id: <20191116095220.31122-1-heiko@sntech.de> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiko Stuebner It looks like the px30 is running unstable at this 408MHz operating point. This shows in stalled threads and other big numbers of kernel exception. At 600MHz and above it instead works stable and as expected. As the 408MHz point doesn't even decrease the voltage compared to 600MHz, just drop this 408MHz operating point for now. Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/px30.dtsi | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi index c68d6fede53d..ff53cc56f80f 100644 --- a/arch/arm64/boot/dts/rockchip/px30.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30.dtsi @@ -114,16 +114,11 @@ compatible = "operating-points-v2"; opp-shared; - opp-408000000 { - opp-hz = /bits/ 64 <408000000>; - opp-microvolt = <950000 950000 1350000>; - clock-latency-ns = <40000>; - opp-suspend; - }; opp-600000000 { opp-hz = /bits/ 64 <600000000>; opp-microvolt = <950000 950000 1350000>; clock-latency-ns = <40000>; + opp-suspend; }; opp-816000000 { opp-hz = /bits/ 64 <816000000>; -- 2.24.0