From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754749Ab3J2LCP (ORCPT ); Tue, 29 Oct 2013 07:02:15 -0400 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:55143 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754455Ab3J2LCN (ORCPT ); Tue, 29 Oct 2013 07:02:13 -0400 Subject: [PATCH V7 5/7] POWER/cpuidle: Generic POWER CPUIDLE driver supporting PSERIES. To: benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org From: Deepthi Dharwar Cc: daniel.lezcano@linaro.org, michael@ellerman.id.au, scottwood@freescale.com, srivatsa.bhat@linux.vnet.ibm.com, preeti@linux.vnet.ibm.com, linux-pm@lists.linux-foundation.org, svaidy@linux.vnet.ibm.com Date: Tue, 29 Oct 2013 16:31:49 +0530 Message-ID: <20131029110148.31547.8944.stgit@deepthi.in.ibm.com> In-Reply-To: <20131029110052.31547.82682.stgit@deepthi.in.ibm.com> References: <20131029110052.31547.82682.stgit@deepthi.in.ibm.com> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13102911-5816-0000-0000-00000AA10ED5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch includes cleanup and refactoring of the existing code to make the driver POWER generic. * Re-naming the functions from pseries to generic power. * Re-naming the backend driver from pseries_idle to ibm-power-idle. Signed-off-by: Deepthi Dharwar --- drivers/cpuidle/cpuidle-ibm-power.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/cpuidle/cpuidle-ibm-power.c b/drivers/cpuidle/cpuidle-ibm-power.c index e81c207..5b92242 100644 --- a/drivers/cpuidle/cpuidle-ibm-power.c +++ b/drivers/cpuidle/cpuidle-ibm-power.c @@ -20,8 +20,8 @@ #include #include -struct cpuidle_driver pseries_idle_driver = { - .name = "pseries_idle", +struct cpuidle_driver power_idle_driver = { + .name = "ibm_power_idle", .owner = THIS_MODULE, }; @@ -182,7 +182,7 @@ void update_smt_snooze_delay(int cpu, int residency) drv->states[1].target_residency = residency; } -static int pseries_cpuidle_add_cpu_notifier(struct notifier_block *n, +static int power_cpuidle_add_cpu_notifier(struct notifier_block *n, unsigned long action, void *hcpu) { int hotcpu = (unsigned long)hcpu; @@ -213,16 +213,16 @@ static int pseries_cpuidle_add_cpu_notifier(struct notifier_block *n, } static struct notifier_block setup_hotplug_notifier = { - .notifier_call = pseries_cpuidle_add_cpu_notifier, + .notifier_call = power_cpuidle_add_cpu_notifier, }; /* - * pseries_cpuidle_driver_init() + * power_cpuidle_driver_init() */ -static int pseries_cpuidle_driver_init(void) +static int power_cpuidle_driver_init(void) { int idle_state; - struct cpuidle_driver *drv = &pseries_idle_driver; + struct cpuidle_driver *drv = &power_idle_driver; drv->state_count = 0; for (idle_state = 0; idle_state < max_idle_state; ++idle_state) { @@ -241,10 +241,10 @@ static int pseries_cpuidle_driver_init(void) } /* - * pseries_idle_probe() + * power_idle_probe() * Choose state table for shared versus dedicated partition */ -static int pseries_idle_probe(void) +static int power_idle_probe(void) { if (cpuidle_disable != IDLE_NO_OVERRIDE) @@ -264,24 +264,24 @@ static int pseries_idle_probe(void) return 0; } -static int __init pseries_processor_idle_init(void) +static int __init power_processor_idle_init(void) { int retval; - retval = pseries_idle_probe(); + retval = power_idle_probe(); if (retval) return retval; - pseries_cpuidle_driver_init(); - retval = cpuidle_register(&pseries_idle_driver, NULL); + power_cpuidle_driver_init(); + retval = cpuidle_register(&power_idle_driver, NULL); if (retval) { - printk(KERN_DEBUG "Registration of pseries driver failed.\n"); + printk(KERN_DEBUG "Registration of ibm_power_idle driver failed.\n"); return retval; } register_cpu_notifier(&setup_hotplug_notifier); - printk(KERN_DEBUG "pseries_idle_driver registered\n"); + printk(KERN_DEBUG "ibm_power_idle registered\n"); return 0; } -device_initcall(pseries_processor_idle_init); +device_initcall(power_processor_idle_init);