diff options
Diffstat (limited to 'arm64-96boards-Rock960-CE-board-support.patch')
| -rw-r--r-- | arm64-96boards-Rock960-CE-board-support.patch | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arm64-96boards-Rock960-CE-board-support.patch b/arm64-96boards-Rock960-CE-board-support.patch deleted file mode 100644 index 2d0186abb..000000000 --- a/arm64-96boards-Rock960-CE-board-support.patch +++ /dev/null @@ -1,139 +0,0 @@ -From patchwork Tue Oct 16 14:00:20 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -X-Patchwork-Submitter: Daniel Lezcano <daniel.lezcano@linaro.org> -X-Patchwork-Id: 1000432 -Return-Path: <SRS0=e/xi=M4=vger.kernel.org=linux-kernel-owner@kernel.org> -Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) - by smtp.lore.kernel.org (Postfix) with ESMTP id 41BB8C04EBD - for <linux-kernel@archiver.kernel.org>; Tue, 16 Oct 2018 14:01:24 +0000 (UTC) -Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) - by mail.kernel.org (Postfix) with ESMTP id 032862089E - for <linux-kernel@archiver.kernel.org>; Tue, 16 Oct 2018 14:01:24 +0000 (UTC) -Authentication-Results: mail.kernel.org; - dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org - header.b="OwrJnI6D" -DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 032862089E -Authentication-Results: mail.kernel.org; - dmarc=fail (p=none dis=none) header.from=linaro.org -Authentication-Results: mail.kernel.org; - spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org -Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand - id S1727241AbeJPVv6 (ORCPT - <rfc822;linux-kernel@archiver.kernel.org>); - Tue, 16 Oct 2018 17:51:58 -0400 -Received: from mail-wr1-f68.google.com ([209.85.221.68]:43800 "EHLO - mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org - with ESMTP id S1727149AbeJPVv6 (ORCPT - <rfc822;linux-kernel@vger.kernel.org>); - Tue, 16 Oct 2018 17:51:58 -0400 -Received: by mail-wr1-f68.google.com with SMTP id n1-v6so25672615wrt.10 - for <linux-kernel@vger.kernel.org>; - Tue, 16 Oct 2018 07:01:21 -0700 (PDT) -DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; - d=linaro.org; s=google; - h=from:to:cc:subject:date:message-id; - bh=AyjUgKMFmAFThaK4GvWsdrdl4JZ3kTa6zVPrOmGMjOA=; - b=OwrJnI6D/huHRM5jiagiGiKBxUHFUlMvwe1t2GexoIKOTqtFGY3vwPCkrAUWdnT5+f - n+wvqEq+enR14QpmLTY3VNYAsxMcDtJOZ2R2Cw0rRdiHypMeUGRanfszUimV9omTlSGH - ApMgMERT+Pim+X1tp/uH775sDaVLHsJDyJb2Y= -X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; - d=1e100.net; s=20161025; - h=x-gm-message-state:from:to:cc:subject:date:message-id; - bh=AyjUgKMFmAFThaK4GvWsdrdl4JZ3kTa6zVPrOmGMjOA=; - b=DO/kT4iXCQgCsPC53FV7CMKKHaDQNQtZUIfHfJGQ2iRgCRNsZSYU6JYHxxjsqWSLyq - c46PNGLDG4qPZf/tveVt9wc9SPdKTk3klyT5NnQvdlNY8uv5/GTXINOWmNE0xD9hqvaP - ml6yJRUA51/KJU73p7XhGvWlMmEuStLUtXa4rlqKgush6lllYhSFpca2xkiKFhqcd+Bc - HHXRh2i0OVgTdmdb0+lSKyLXm74UHrhv1WEbgjGm+Mharwz/qsidTCXfqKPC7izgstBS - L+mjOACqna60eEsABW/p2nH9vxXAsU2ArAnmB714yeh9uckl1uRzYmMQCSD1LmmBN0q4 - 4UvQ== -X-Gm-Message-State: ABuFfojBZLkXjdlBc4AIjobar5Yk+68lR2+TEpPVGjsScLNzcmIj5eYO - yyEhPWYj3vc1MHjUcMfQLt7ahg== -X-Google-Smtp-Source: - ACcGV614RNSZy+OjIvsEaE9ONlZaDAeI1a8EpD+wP5Gt58g75Bh8DJgL6KJJ2ZjTenoZPwHLydiQBg== -X-Received: by 2002:adf:cd0c:: with SMTP id - w12-v6mr19534363wrm.67.1539698480294; - Tue, 16 Oct 2018 07:01:20 -0700 (PDT) -Received: from localhost.localdomain (221.56.88.92.rev.sfr.net. - [92.88.56.221]) - by smtp.gmail.com with ESMTPSA id - b81-v6sm10195012wmh.47.2018.10.16.07.01.18 - (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); - Tue, 16 Oct 2018 07:01:19 -0700 (PDT) -From: Daniel Lezcano <daniel.lezcano@linaro.org> -To: heiko@sntech.de -Cc: linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, - Mark Rutland <mark.rutland@arm.com>, - Vicente Bergas <vicencb@gmail.com>, - Shawn Lin <shawn.lin@rock-chips.com>, - Ezequiel Garcia <ezequiel@collabora.com>, - Enric Balletbo i Serra <enric.balletbo@collabora.com>, - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, - devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED - DEVICE TREE BINDINGS), - linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC - support), - linux-rockchip@lists.infradead.org (open list:ARM/Rockchip SoC - support) -Subject: [PATCH] DT: rockchip: Fix stability issues with the 'performance' - governor on rock960 -Date: Tue, 16 Oct 2018 16:00:20 +0200 -Message-Id: <1539698431-12616-1-git-send-email-daniel.lezcano@linaro.org> -X-Mailer: git-send-email 2.7.4 -Sender: linux-kernel-owner@vger.kernel.org -Precedence: bulk -List-ID: <linux-kernel.vger.kernel.org> -X-Mailing-List: linux-kernel@vger.kernel.org - -When the performance governor is set as default, the rock960 hangs -around one minute after booting, whatever the activity is (idle, key -pressed, loaded, ...). - -Based on the commit log found at https://patchwork.kernel.org/patch/10092377/ - -"vdd_log has no consumer and therefore will not be set to a specific -voltage. Still the PWM output pin gets configured and thence the vdd_log -output voltage will changed from it's default. Depending on the idle -state of the PWM this will slightly over or undervoltage the logic supply -of the RK3399 and cause instability with GbE (undervoltage) and PCIe -(overvoltage). Since the default value set by a voltage divider is the -correct supply voltage and we don't need to change it during runtime we -remove the rail from the devicetree completely so the PWM pin will not -be configured." - -After removing the vdd-log from the rock960's specific DT, the board -does no longer hang and shows a stable behavior. - -Apply the same change for the rock960 by removing the vdd-log from the -DT. - -Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> -Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> ---- - arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi | 12 ------------ - 1 file changed, 12 deletions(-) - -diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi -index 6c8c4ab..56abbb0 100644 ---- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi -+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi -@@ -57,18 +57,6 @@ - regulator-always-on; - vin-supply = <&vcc_sys>; - }; -- -- vdd_log: vdd-log { -- compatible = "pwm-regulator"; -- pwms = <&pwm2 0 25000 0>; -- regulator-name = "vdd_log"; -- regulator-min-microvolt = <800000>; -- regulator-max-microvolt = <1400000>; -- regulator-always-on; -- regulator-boot-on; -- vin-supply = <&vcc_sys>; -- }; -- - }; - - &cpu_l0 { |