From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754130AbbAZJlB (ORCPT ); Mon, 26 Jan 2015 04:41:01 -0500 Received: from eusmtp01.atmel.com ([212.144.249.242]:46475 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751464AbbAZJlA (ORCPT ); Mon, 26 Jan 2015 04:41:00 -0500 From: Wenyou Yang To: , CC: , , , , , 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); } -- 1.7.9.5