From patchwork Thu Mar 1 00:42:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob X-Patchwork-Id: 7018 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 0ED1923EB0 for ; Thu, 1 Mar 2012 00:43:28 +0000 (UTC) Received: from mail-iy0-f180.google.com (mail-iy0-f180.google.com [209.85.210.180]) by fiordland.canonical.com (Postfix) with ESMTP id C73CDA1825C for ; Thu, 1 Mar 2012 00:43:27 +0000 (UTC) Received: by mail-iy0-f180.google.com with SMTP id e36so90122iag.11 for ; Wed, 29 Feb 2012 16:43:27 -0800 (PST) Received: from mr.google.com ([10.50.89.201]) by 10.50.89.201 with SMTP id bq9mr2607464igb.55.1330562607645 (num_hops = 1); Wed, 29 Feb 2012 16:43:27 -0800 (PST) Received: by 10.50.89.201 with SMTP id bq9mr2164127igb.55.1330562607587; Wed, 29 Feb 2012 16:43:27 -0800 (PST) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.231.53.18 with SMTP id k18csp4437ibg; Wed, 29 Feb 2012 16:43:27 -0800 (PST) Received: by 10.101.128.12 with SMTP id f12mr951181ann.49.1330562606939; Wed, 29 Feb 2012 16:43:26 -0800 (PST) Received: from mail-gx0-f178.google.com (mail-gx0-f178.google.com [209.85.161.178]) by mx.google.com with ESMTPS id g3si68905anb.20.2012.02.29.16.43.26 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 29 Feb 2012 16:43:26 -0800 (PST) Received-SPF: neutral (google.com: 209.85.161.178 is neither permitted nor denied by best guess record for domain of rob.lee@linaro.org) client-ip=209.85.161.178; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.161.178 is neither permitted nor denied by best guess record for domain of rob.lee@linaro.org) smtp.mail=rob.lee@linaro.org Received: by mail-gx0-f178.google.com with SMTP id o1so14506ggn.37 for ; Wed, 29 Feb 2012 16:43:26 -0800 (PST) Received-SPF: pass (google.com: domain of rob.lee@linaro.org designates 10.236.79.193 as permitted sender) client-ip=10.236.79.193; Received: from mr.google.com ([10.236.79.193]) by 10.236.79.193 with SMTP id i41mr3967214yhe.16.1330562606785 (num_hops = 1); Wed, 29 Feb 2012 16:43:26 -0800 (PST) MIME-Version: 1.0 Received: by 10.236.79.193 with SMTP id i41mr3137940yhe.16.1330562604048; Wed, 29 Feb 2012 16:43:24 -0800 (PST) Received: from b18647-20 ([67.23.168.160]) by mx.google.com with ESMTPS id v21sm429898yhk.3.2012.02.29.16.43.21 (version=SSLv3 cipher=OTHER); Wed, 29 Feb 2012 16:43:23 -0800 (PST) From: Robert Lee To: rjw@sisk.pl, len.brown@intel.com Cc: khilman@ti.com, robherring2@gmail.com, Baohua.Song@csr.com, amit.kucheria@linaro.org, nicolas.ferre@atmel.com, linux@maxim.org.za, kgene.kim@samsung.com, amit.kachhap@linaro.org, magnus.damm@gmail.com, nsekhar@ti.com, daniel.lezcano@linaro.org, mturquette@linaro.org, vincent.guittot@linaro.org, arnd.bergmann@linaro.org, linux-arm-kernel@lists.infradead.org, linaro-dev@lists.linaro.org, patches@linaro.org, deepthi@linux.vnet.ibm.com, broonie@opensource.wolfsonmicro.com, nicolas.pitre@linaro.org, linux@arm.linux.org.uk, jean.pihet@newoldbits.com, venki@google.com, ccross@google.com, g.trinabh@gmail.com, kernel@wantstofly.org, lethal@linux-sh.org, jon-hunter@ti.com, tony@atomide.com, linux-omap@vger.kernel.org, linux-sh@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v7 6/9] ARM: omap: Consolidate OMAP3 time keeping and irq enable Date: Wed, 29 Feb 2012 18:42:55 -0600 Message-Id: <1330562578-3410-7-git-send-email-rob.lee@linaro.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1330562578-3410-1-git-send-email-rob.lee@linaro.org> References: <1330562578-3410-1-git-send-email-rob.lee@linaro.org> X-Gm-Message-State: ALoCoQnjDBmTMYBL0diNSeclbyeak7S7UlGqA7j/K3IM8/smw2CuS0uMhH4OwZxmrO6KvHbF7ARM Use core cpuidle timekeeping and irqen wrapper and remove that handling from this code. Signed-off-by: Robert Lee --- arch/arm/mach-omap2/cpuidle34xx.c | 42 +++++++++++++++---------------------- 1 files changed, 17 insertions(+), 25 deletions(-) diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 464cffd..5358664 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -87,29 +87,14 @@ static int _cpuidle_deny_idle(struct powerdomain *pwrdm, return 0; } -/** - * omap3_enter_idle - Programs OMAP3 to enter the specified state - * @dev: cpuidle device - * @drv: cpuidle driver - * @index: the index of state to be entered - * - * Called from the CPUidle framework to program the device to the - * specified target state selected by the governor. - */ -static int omap3_enter_idle(struct cpuidle_device *dev, +static int __omap3_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct omap3_idle_statedata *cx = cpuidle_get_statedata(&dev->states_usage[index]); - struct timespec ts_preidle, ts_postidle, ts_idle; u32 mpu_state = cx->mpu_state, core_state = cx->core_state; - int idle_time; - - /* Used to keep track of the total time in idle */ - getnstimeofday(&ts_preidle); - local_irq_disable(); local_fiq_disable(); pwrdm_set_next_pwrst(mpu_pd, mpu_state); @@ -148,22 +133,29 @@ static int omap3_enter_idle(struct cpuidle_device *dev, } return_sleep_time: - getnstimeofday(&ts_postidle); - ts_idle = timespec_sub(ts_postidle, ts_preidle); - local_irq_enable(); local_fiq_enable(); - idle_time = ts_idle.tv_nsec / NSEC_PER_USEC + ts_idle.tv_sec * \ - USEC_PER_SEC; - - /* Update cpuidle counters */ - dev->last_residency = idle_time; - return index; } /** + * omap3_enter_idle - Programs OMAP3 to enter the specified state + * @dev: cpuidle device + * @drv: cpuidle driver + * @index: the index of state to be entered + * + * Called from the CPUidle framework to program the device to the + * specified target state selected by the governor. + */ +static inline int omap3_enter_idle(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + return cpuidle_wrap_enter(dev, drv, index, __omap3_enter_idle); +} + +/** * next_valid_state - Find next valid C-state * @dev: cpuidle device * @drv: cpuidle driver