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{ "id": 814294, "url": "http://patchwork.ozlabs.org/api/covers/814294/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/cover/20170915140411.31716-1-romain.izard.pro@gmail.com/", "project": { "id": 38, "url": "http://patchwork.ozlabs.org/api/projects/38/?format=api", "name": "Linux PWM development", "link_name": "linux-pwm", "list_id": "linux-pwm.vger.kernel.org", "list_email": "linux-pwm@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170915140411.31716-1-romain.izard.pro@gmail.com>", "list_archive_url": null, "date": "2017-09-15T14:04:02", "name": "[v2,0/9] Various patches for SAMA5D2 backup mode", "submitter": { "id": 8236, "url": "http://patchwork.ozlabs.org/api/people/8236/?format=api", "name": "Romain Izard", "email": "romain.izard.pro@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pwm/cover/20170915140411.31716-1-romain.izard.pro@gmail.com/mbox/", "series": [ { "id": 3315, "url": "http://patchwork.ozlabs.org/api/series/3315/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/list/?series=3315", "date": "2017-09-15T14:04:06", "name": "Various patches for SAMA5D2 backup mode", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/3315/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/814294/comments/", "headers": { "Return-Path": "<linux-pwm-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-pwm-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"UrMJMf71\"; dkim-atps=neutral" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xty035HWhz9s7m\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 16 Sep 2017 00:07:31 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751400AbdIOOEm (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tFri, 15 Sep 2017 10:04:42 -0400", "from mail-wm0-f65.google.com ([74.125.82.65]:37756 \"EHLO\n\tmail-wm0-f65.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751364AbdIOOEj (ORCPT\n\t<rfc822; linux-pwm@vger.kernel.org>); Fri, 15 Sep 2017 10:04:39 -0400", "by mail-wm0-f65.google.com with SMTP id f4so2877607wmh.4;\n\tFri, 15 Sep 2017 07:04:38 -0700 (PDT)", "from localhost.localdomain (146.187.3.109.rev.sfr.net.\n\t[109.3.187.146]) by smtp.gmail.com with ESMTPSA id\n\t55sm1399225wrw.60.2017.09.15.07.04.31\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tFri, 15 Sep 2017 07:04:37 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id;\n\tbh=ZOE6mSORyd32Z+XivRdOjpv+WfGVy1Eu7ppcpFUenUs=;\n\tb=UrMJMf71vrGrI6EFJ+tdaRP6VnlkzAEEBNmUXnucrKZjSnF89FgIED8jQ0NT8m/CcZ\n\tuTQMrI1m7Y0gd7rlkTRdQwob5RmhnQo0/yGNHz/AkXjfDPihFkD/FHn5Pd8o9q513onX\n\tsElQR1ywqkzpbYHXs65BkbV2gQ9mZQEij4JHIXgABLg54pykQcCDPqB/BkU5GmLhBXIV\n\tzsZ+ga87oo24yimH5zz9giy3IL0ICcUgqw79G737FzrRiFwDST0AOOEo/E54qKrx+W4G\n\tnIDY5KiHfRJj2aZ/K8yeR58VXChtoMQQv/Nxs/wMN5tdvGRgpP0pw9C8YlRCqbo/b60g\n\t6nnQ==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=ZOE6mSORyd32Z+XivRdOjpv+WfGVy1Eu7ppcpFUenUs=;\n\tb=U0loTa6Y2QNyo7mZBYSoV1E7j7Xy0breSC4tIOhaXCdX7YJhZqFvb+eOTFqDhg8yrH\n\thNp7+tr87NYvEzEaMP0teySlw5y7K7PXwwQ9qX0UYEUmgDRaCgxyJ2dH+hPopPsVQ56H\n\tFtnTTOOHpAHiWG4sAV1Y+FAoHyE+vZVGZYVYCzXV4N8xqP+fkicCSHDBKlwluaOb/OAT\n\t9eMoQ2s49+lncL/zGJj4rO0XHOUjSjU8N7lAJF6DFgi46kUEGzbgUViCIywC/w8BDo9s\n\tCJBXXE+HlMVuYzkOagaC/Zo8Xi+Wiep3X5lrrVhcuARM9p6YR0U1g8bJkPtpPrOUsc3T\n\tHTog==", "X-Gm-Message-State": "AHPjjUiHYf6NLjxLd/fG6BCNpPNKYCLBEOl1RN9BOq1xa1hpppAMtTAk\n\tRPTV+WI6eLDxvQ==", "X-Google-Smtp-Source": "AOwi7QCJMoLzY6bWNkH1DvvAV28ENIag/wW4piV6YqJlnq93EHv/ajYoo5T77ByeOXwVWUNl4T1nbA==", "X-Received": "by 10.28.11.195 with SMTP id 186mr2703215wml.41.1505484277996;\n\tFri, 15 Sep 2017 07:04:37 -0700 (PDT)", "From": "Romain Izard <romain.izard.pro@gmail.com>", "To": "Nicolas Ferre <nicolas.ferre@microchip.com>,\n\tAlexandre Belloni <alexandre.belloni@free-electrons.com>,\n\tBoris Brezillon <boris.brezillon@free-electrons.com>,\n\tMichael Turquette <mturquette@baylibre.com>,\n\tStephen Boyd <sboyd@codeaurora.org>,\n\tLudovic Desroches <ludovic.desroches@microchip.com>,\n\tWenyou Yang <wenyou.yang@atmel.com>, Josh Wu <rainyfeeling@outlook.com>,\n\tDavid Woodhouse <dwmw2@infradead.org>,\n\tBrian Norris <computersforpeace@gmail.com>,\n\tMarek Vasut <marek.vasut@gmail.com>,\n\tCyrille Pitchen <cyrille.pitchen@wedev4u.fr>,\n\tThierry Reding <thierry.reding@gmail.com>,\n\tRichard Genoud <richard.genoud@gmail.com>,\n\tGreg Kroah-Hartman <gregkh@linuxfoundation.org>,\n\tAlan Stern <stern@rowland.harvard.edu>", "Cc": "linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tlinux-mtd@lists.infradead.org, linux-pwm@vger.kernel.org,\n\tlinux-serial@vger.kernel.org, linux-usb@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tRomain Izard <romain.izard.pro@gmail.com>", "Subject": "[PATCH v2 0/9] Various patches for SAMA5D2 backup mode", "Date": "Fri, 15 Sep 2017 16:04:02 +0200", "Message-Id": "<20170915140411.31716-1-romain.izard.pro@gmail.com>", "X-Mailer": "git-send-email 2.11.0", "Sender": "linux-pwm-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-pwm.vger.kernel.org>", "X-Mailing-List": "linux-pwm@vger.kernel.org" }, "content": "While the core of the backup mode for SAMA5D2 has been integrated in\nv4.13, it is far from complete. Individual controllers in the chip have\ndrivers that do not support the reset of the registers during suspend,\nand they need to be adapted to handle it.\n\nThe first patch uses the clock wakeup code from the prototype backup\nmode instead of the version integrated in the mainline, as the mainline\nversion is not stable. During a test loop with two-second backup\nsuspend, the mainline version will hang in less than one day, whereas\nthe prototype version has been running the same test for more than a\nweek without hanging.\n\nChanges in v2:\n* drop the IIO patch duplicating existing code\n* determine the number of programmable clocks to save dynamically\n* declare a required local variable in the tty/serial patch\n\nRomain Izard (9):\n clk: at91: pmc: Wait for clocks when resuming\n clk: at91: pmc: Save SCSR during suspend\n clk: at91: pmc: Support backup for programmable clocks\n mtd: nand: atmel: Avoid ECC errors when leaving backup mode\n mtd: nand: atmel: Report PMECC failures as errors\n ehci-atmel: Power down during suspend is normal\n pwm: atmel-tcb: Support backup mode\n atmel_flexcom: Support backup mode\n tty/serial: atmel: Prevent a warning on suspend\n\n drivers/clk/at91/clk-programmable.c | 2 ++\n drivers/clk/at91/pmc.c | 55 +++++++++++++++++++++++++------\n drivers/clk/at91/pmc.h | 2 ++\n drivers/mfd/atmel-flexcom.c | 65 ++++++++++++++++++++++++++++---------\n drivers/mtd/nand/atmel/pmecc.c | 15 ++++-----\n drivers/pwm/pwm-atmel-tcb.c | 63 +++++++++++++++++++++++++++++++++--\n drivers/tty/serial/atmel_serial.c | 14 ++++++++\n drivers/usb/host/ehci-atmel.c | 3 +-\n 8 files changed, 182 insertions(+), 37 deletions(-)" }