From patchwork Wed Jun 13 11:32:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "(Exiting) Baolin Wang" X-Patchwork-Id: 10462071 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0A93E60234 for ; Wed, 13 Jun 2018 11:34:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE5BC28952 for ; Wed, 13 Jun 2018 11:34:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E248128957; Wed, 13 Jun 2018 11:34:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 882E128952 for ; Wed, 13 Jun 2018 11:34:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935314AbeFMLdx (ORCPT ); Wed, 13 Jun 2018 07:33:53 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:40027 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935477AbeFMLdu (ORCPT ); Wed, 13 Jun 2018 07:33:50 -0400 Received: by mail-pg0-f68.google.com with SMTP id l2-v6so1142359pgc.7 for ; Wed, 13 Jun 2018 04:33:49 -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:in-reply-to:references :in-reply-to:references; bh=2jKomMyu3aPBvQwHnJ5xi/PxkWHSmOUr0jIrlPwlqUo=; b=DHjcCH44PAE//jlj19ah6Lf6VjIsxwDZljyjvo8mQDpaISZEmORUdgHGSx4ht3wvIo pNE8+itgpZQ4tEBXVSCgOJGMq8RAxczNzXxO4kOtXjs0s0uoyPuMMkwm2LD6nr6tiWdT 1b9HW6mWoxEHvbOSLIhKIRT/00Lf48AZgpap0= 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:in-reply-to :references:in-reply-to:references; bh=2jKomMyu3aPBvQwHnJ5xi/PxkWHSmOUr0jIrlPwlqUo=; b=p5Zv4bU+qgvrcp1d5yJ3vgTdk5+XPKk9WD9xQKL5ArkwvyUzHe7fGBuDKxcCuIw3pj ZJkZLs48eesgBwUGhic8al0IBtw36KqfiHeUsvKONojYhmtC6ntigApBEqISHulvzn4R +u7mylkswpKc4AfiaFOvNKcGuU3xr/0QIuAYfop+l4xV1QFbJlmGhtna7ClQ6wvviH+W XwH05tU3k9/6vuZ6PJiHJwvel4PiTdDsB1exXxZ9LZTSwZe3CHXv9Uye8PLp6yRSNH2j meqDEJ0AojVXCJWC0YmXZHHVStsgqh6liNwm8OBhheDFH3K43WU/4LjJuhyVMBtQCp0Q s0IQ== X-Gm-Message-State: APt69E2nh67dSaVo950F6qErnMpX8c6031z04ibKg9LZgeGRhJ2ILrmt 5nr0FiPiGU4LPtnRoDphupTnzg== X-Google-Smtp-Source: ADUXVKLTizWTXbXFsSjgSErRHW7sVMXM1YRtFLO1ja/eanjd30bHW28hZhyerTht2cfBRKmYv0wYgA== X-Received: by 2002:a63:7707:: with SMTP id s7-v6mr3862017pgc.426.1528889629540; Wed, 13 Jun 2018 04:33:49 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id h8-v6sm2745370pgq.35.2018.06.13.04.33.41 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 13 Jun 2018 04:33:49 -0700 (PDT) From: Baolin Wang To: tglx@linutronix.de, john.stultz@linaro.org, daniel.lezcano@linaro.org, arnd@arndb.de, tony@atomide.com, aaro.koskinen@iki.fi, linux@armlinux.org.uk, mark.rutland@arm.com, marc.zyngier@arm.com Cc: baolin.wang@linaro.org, broonie@kernel.org, paulmck@linux.vnet.ibm.com, mlichvar@redhat.com, rdunlap@infradead.org, kstewart@linuxfoundation.org, gregkh@linuxfoundation.org, pombredanne@nexb.com, thierry.reding@gmail.com, jonathanh@nvidia.com, heiko@sntech.de, linus.walleij@linaro.org, viresh.kumar@linaro.org, mingo@kernel.org, hpa@zytor.com, peterz@infradead.org, douly.fnst@cn.fujitsu.com, len.brown@intel.com, rajvi.jingar@intel.com, alexandre.belloni@bootlin.com, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 6/8] clocksource: time-pistachio: Register the persistent clock Date: Wed, 13 Jun 2018 19:32:33 +0800 Message-Id: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since the timer on pistachio platform is always available, we can register it as one persistent clock to compensate the suspend time for the OS time. Signed-off-by: Baolin Wang --- drivers/clocksource/Kconfig | 1 + drivers/clocksource/time-pistachio.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 3cd136f..af552ba 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -255,6 +255,7 @@ config CLKSRC_PISTACHIO bool "Clocksource for Pistachio SoC" if COMPILE_TEST depends on HAS_IOMEM select TIMER_OF + select PERSISTENT_CLOCK help Enables the clocksource for the Pistachio SoC. diff --git a/drivers/clocksource/time-pistachio.c b/drivers/clocksource/time-pistachio.c index a2dd85d..5c3eb71 100644 --- a/drivers/clocksource/time-pistachio.c +++ b/drivers/clocksource/time-pistachio.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -212,6 +213,8 @@ static int __init pistachio_clksrc_of_init(struct device_node *node) raw_spin_lock_init(&pcs_gpt.lock); sched_clock_register(pistachio_read_sched_clock, 32, rate); + persistent_clock_init_and_register(pistachio_read_sched_clock, + CLOCKSOURCE_MASK(32), rate, 0); return clocksource_register_hz(&pcs_gpt.cs, rate); } TIMER_OF_DECLARE(pistachio_gptimer, "img,pistachio-gptimer",