From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3975852-1520205615-2-12339216218451838313 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, FREEMAIL_FORGED_FROMDOMAIN 0.249, FREEMAIL_FROM 0.001, HEADER_FROM_DIFFERENT_DOMAINS 0.249, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='utf-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1520205614; b=XP6LqaybW6CDudpiWcG/ILajAHFqJOaIsSCejHgZGOh2Uof DoY5dSiDyNC6hEZFvtywbmTaHEKUoujJsHqPK1BbEJbSbCoXZ7Y524KUErfKUcmj oo6bUzE/ngr0cNjHv4R1kVEYEZNWTegVVJG8AHCJ84S7B7vGKbtkqqQbrQFiuKDk 3HcmRmUBaTsi4wqvFF3KDzbnFA6Oly57ErQW4SqMBM1w1KLqvhl7NR4QE6hAgP7N 0BcwESpqi4H8WwlNGWx7OouTJg4yeYOg6GaEOD+BrRqmIF5QIe6MmjYoEzfj5Tph Vc+pr6TeotOlYYt31xPhPxYHJSdfOPTInks9F6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id :references:to:sender:list-id; s=arctest; t=1520205614; bh=76K5x DQ6ouyYJJsGze/LxrJq+0hW929lbEQ+DIqI4KU=; b=YzwHMjNj3yMpufQhyDZ+l eUvgtIpK18bO1RvAXl8sgjRJmtgOEfBgXiYA+dOtUCf0PJPRYNLGjmgIm5KUvRSN GH0RmDfJVISLQQ59rp/J0xZwWIgUZhnwgWvKX/WVeCuFN704rdACmepY3qTgs0oi PGvvyCkaAWNIxNR8nyR8JSoYI4vyGDJb+jUM63tfK2fyTl3Hz/oizqGKu1dNv/zq 8GJqn3WYOi3EMvWCwSeanOCIlx8i1yvad70r+NvKfw27eWWPltaH2awDn6QuDKIm uwiVxSrSzU9NNFrd29li6s8K4y+yPZt4JKlJyP3yM8dPkCYCjuOrL6nr38OMF8ym Q== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=r6ONfPQ8 x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,has-list-id=yes,d=none) header.from=gmail.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=VN4zw2B9; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=gmail.com header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=r6ONfPQ8 x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,has-list-id=yes,d=none) header.from=gmail.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=VN4zw2B9; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=gmail.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932537AbeCDXTs (ORCPT ); Sun, 4 Mar 2018 18:19:48 -0500 Received: from mail-lf0-f66.google.com ([209.85.215.66]:46793 "EHLO mail-lf0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932536AbeCDXTq (ORCPT ); Sun, 4 Mar 2018 18:19:46 -0500 X-Google-Smtp-Source: AG47ELvTQkqrPKir6m0JMZoJks7REu0R4yy5uAHvXZUpxPY9L8YKkNBAzGolqu5bp2nFFJhY80b6kQ== Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCH AUTOSEL for 4.9 124/219] ARM: dts: rockchip: disable arm-global-timer for rk3188 From: Alexander Kochetkov In-Reply-To: <20180303222716.26640-124-alexander.levin@microsoft.com> Date: Mon, 5 Mar 2018 02:19:42 +0300 Cc: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Daniel Lezcano Content-Transfer-Encoding: quoted-printable Message-Id: References: <20180303222716.26640-1-alexander.levin@microsoft.com> <20180303222716.26640-124-alexander.levin@microsoft.com> To: Sasha Levin X-Mailer: Apple Mail (2.3124) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hello, Sasha! Following 2 patches must be applied together with the patch: 5e0a39d0f727b35c8b7ef56ba0724c8ceb006297 = clocksource/drivers/rockchip_timer: Implement clocksource timer 627988a66aee3c845aa2f1f874a3ddba8adb89d9 ARM: dts: rockchip: Add timer = entries to rk3188 SoC Alexander. > 4 =D0=BC=D0=B0=D1=80=D1=82=D0=B0 2018 =D0=B3., =D0=B2 1:29, Sasha = Levin =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0= =D0=BB(=D0=B0): >=20 > From: Alexander Kochetkov >=20 > [ Upstream commit 500d0aa918a2ea6bb918fee8adcf27dc2912bcd1 ] >=20 > The clocksource and the sched_clock provided by the arm_global_timer > are quite unstable because their rates depend on the cpu frequency. >=20 > 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. >=20 > Let's disable the arm_global_timer in order to have the rockchip > clocksource selected by default. >=20 > Signed-off-by: Alexander Kochetkov > Signed-off-by: Daniel Lezcano > Reviewed-by: Heiko Stuebner > Signed-off-by: Sasha Levin > --- > arch/arm/boot/dts/rk3188.dtsi | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/arch/arm/boot/dts/rk3188.dtsi = b/arch/arm/boot/dts/rk3188.dtsi > index 31f81b265cef..73a200914f0b 100644 > --- a/arch/arm/boot/dts/rk3188.dtsi > +++ b/arch/arm/boot/dts/rk3188.dtsi > @@ -530,6 +530,7 @@ >=20 > &global_timer { > interrupts =3D ; > + status =3D "disabled"; > }; >=20 > &local_timer { > --=20 > 2.14.1