From patchwork Thu Jul 4 08:50:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 2822491 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BA897BF4A1 for ; Thu, 4 Jul 2013 08:54:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8004A2014B for ; Thu, 4 Jul 2013 08:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C841A2010C for ; Thu, 4 Jul 2013 08:54:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933721Ab3GDIvk (ORCPT ); Thu, 4 Jul 2013 04:51:40 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:34848 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933707Ab3GDIvO (ORCPT ); Thu, 4 Jul 2013 04:51:14 -0400 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MPE009XSLWZ37K0@mailout2.samsung.com>; Thu, 04 Jul 2013 17:51:10 +0900 (KST) X-AuditID: cbfee61a-b7f3b6d000006edd-8c-51d5377eb17a Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id CB.F0.28381.E7735D15; Thu, 04 Jul 2013 17:51:10 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MPE008KLLW9XTB0@mmp1.samsung.com>; Thu, 04 Jul 2013 17:51:09 +0900 (KST) From: Lukasz Majewski To: Viresh Kumar , "Rafael J. Wysocki" , Zhang Rui , Eduardo Valentin Cc: "cpufreq@vger.kernel.org" , Linux PM list , Jonghwa Lee , Lukasz Majewski , l.majewski@majess.pl, linux-kernel , Andre Przywara , Daniel Lezcano , Kukjin Kim , Myungjoo Ham Subject: [PATCH v5 4/7] cpufreq:exynos:Extend Exynos cpufreq driver to support boost framework Date: Thu, 04 Jul 2013 10:50:27 +0200 Message-id: <1372927830-2949-5-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1372927830-2949-1-git-send-email-l.majewski@samsung.com> References: <1370502472-7249-1-git-send-email-l.majewski@samsung.com> <1372927830-2949-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrHLMWRmVeSWpSXmKPExsVy+t9jAd0686uBBs8nclj8ebuc1eJp0w92 i3mfZS3W7P/JZNF59gmzRe+Cq2wWbx5xW7x5uJnR4vKuOWwWn3uPMFrcblzBZtG/sJfJ4snD PjaLjV89HPg8Fu95yeRx59oeNo91094ye/RtWcXo8WhxC6PH8RvbmTw+b5ILYI/isklJzcks Sy3St0vgytjf8YmpYClfxcKppxgbGD9wdzFyckgImEgc2HuQCcIWk7hwbz0biC0ksIhR4s4d mS5GLiC7i0niyr/HzCAJNgE9ic93n4I1iAjMASo66g5iMwusZJY40egIYgsLJEgsm/4AbBCL gKpE0+EjYDavgKvEpTs7GCGWyUs8vd8HFucUcJO4fKGHCWJZI6PEho4PLBMYeRcwMqxiFE0t SC4oTkrPNdQrTswtLs1L10vOz93ECA7VZ1I7GFc2WBxiFOBgVOLhlbC6EijEmlhWXJl7iFGC g1lJhNeJ42qgEG9KYmVValF+fFFpTmrxIUZpDhYlcd4DrdaBQgLpiSWp2ampBalFMFkmDk6p BsaoZb+/6/1aJHXOvGn/Vverbw51b9/5xIWxz+/fyxYGro+f154Wmndu92I2HcNXQkIp0/sf p76/M1W7YNPFu0se/FNfsf23XsWB+ikZj26zyJ3XNQk5utjged2BruCVl7iOTzLXWa80OVzs 6rsvO1r0+OZK9RS5fwhgPZEm43I8Q848+1HkgZtMSizFGYmGWsxFxYkA5LRbDlECAAA= Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The struct cpufreq_driver has been extended to embrace the information related to boost support. When "boost_mode" device tree attribute is defined for a platform, the boost_supported flag is set. Moreover boost related attributes were exported. Signed-off-by: Lukasz Majewski Signed-off-by: Myungjoo Ham --- Changes for v5: - None Changes for v4: - None Changes for v3: - Remove low level boost code - Move boost management code to cpufreq core code - Use boost_supported flag to indicate if driver supports over clocking Changes for v2: - Removal of struct cpufreq_boost - Removal of the CONFIG_CPU_FREQ_BOOST flag - low_level_boost with valid address when boost is supported drivers/cpufreq/exynos-cpufreq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index 0d32f02..4f42fcc 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -267,6 +267,7 @@ static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy) static struct freq_attr *exynos_cpufreq_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, + &cpufreq_freq_attr_scaling_boost_freqs, NULL, }; @@ -287,6 +288,7 @@ static struct cpufreq_driver exynos_driver = { static int __init exynos_cpufreq_init(void) { + struct device_node *node = pdev->dev.of_node; int ret = -EINVAL; exynos_info = kzalloc(sizeof(struct exynos_dvfs_info), GFP_KERNEL); @@ -317,6 +319,8 @@ static int __init exynos_cpufreq_init(void) } locking_frequency = exynos_getspeed(0); + if (of_property_read_bool(node, "boost_mode")) + exynos_driver.boost_supported = 1; register_pm_notifier(&exynos_cpufreq_nb);