From patchwork Mon Jan 26 09:40:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenyou Yang X-Patchwork-Id: 5707341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F2CD49F50F for ; Mon, 26 Jan 2015 09:43:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3F9F620123 for ; Mon, 26 Jan 2015 09:43:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 66A29200E8 for ; Mon, 26 Jan 2015 09:43:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YFgAh-0001pW-PL; Mon, 26 Jan 2015 09:41:27 +0000 Received: from eusmtp01.atmel.com ([212.144.249.242]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YFgAa-0001c1-Sd for linux-arm-kernel@lists.infradead.org; Mon, 26 Jan 2015 09:41:21 +0000 Received: from apsmtp01.atmel.com (10.168.254.31) by eusmtp01.atmel.com (10.161.101.30) with Microsoft SMTP Server id 14.2.347.0; Mon, 26 Jan 2015 10:40:57 +0100 Received: from shaarm01.corp.atmel.com (10.168.254.13) by apsmtp01.atmel.com (10.168.254.31) with Microsoft SMTP Server id 14.2.347.0; Mon, 26 Jan 2015 17:44:29 +0800 From: Wenyou Yang To: , Subject: [PATCH v2 04/12] pm: at91: move the copying the sram function to the sram initializationi phase Date: Mon, 26 Jan 2015 17:40:00 +0800 Message-ID: <1422265201-23110-1-git-send-email-wenyou.yang@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1422265005-22937-1-git-send-email-wenyou.yang@atmel.com> References: <1422265005-22937-1-git-send-email-wenyou.yang@atmel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150126_014121_142931_745A11D4 X-CRM114-Status: UNSURE ( 8.71 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: sylvain.rochet@finsecur.com, linux-kernel@vger.kernel.org, wenyou.yang@atmel.com, alexandre.belloni@free-electrons.com, peda@axentia.se, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 To decrease the suspend time, move the copying the sram function to the sram initialization phase, instead of every time go to suspend. Signed-off-by: Wenyou Yang Acked-by: Alexandre Belloni --- arch/arm/mach-at91/pm.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 5dd4e41..409185e 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -161,10 +161,6 @@ static int at91_pm_enter(suspend_state_t state) * turning off the main oscillator; reverse on wakeup. */ if (slow_clock) { -#ifdef CONFIG_AT91_SLOW_CLOCK - /* copy slow_clock handler to SRAM, and call it */ - memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); -#endif slow_clock(at91_pmc_base, at91_ramc_base[0], at91_ramc_base[1], at91_pm_data.memctrl); @@ -272,6 +268,9 @@ static void __init at91_pm_sram_init(void) sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base); slow_clock = __arm_ioremap_exec(sram_pbase, at91_slow_clock_sz, false); + /* Copy slow_clock handler to SRAM, and call it */ + memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); + put_node: of_node_put(node); }