Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933835AbbGHKOa (ORCPT ); Wed, 8 Jul 2015 06:14:30 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:27914 "EHLO mx0a-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933709AbbGHKOW (ORCPT ); Wed, 8 Jul 2015 06:14:22 -0400 From: Jisheng Zhang To: , , , , , CC: , , Jisheng Zhang Subject: [PATCH 4/4] arm: psci: add cpuidle_ops support Date: Wed, 8 Jul 2015 18:13:37 +0800 Message-ID: <1436350417-6712-5-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1436350417-6712-1-git-send-email-jszhang@marvell.com> References: <1436350417-6712-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2015-07-08_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 kscore.is_bulkscore=0 kscore.compositescore=1 compositescore=0.9 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 kscore.is_spamscore=0 rbsscore=0.9 spamscore=0 urlsuspectscore=0.9 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1506180000 definitions=main-1507080168 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1510 Lines: 61 This patch implements cpuidle_ops using psci. After this patch, we can use cpuidle-arm.c with psci backend for both arm and arm64. Signed-off-by: Jisheng Zhang --- arch/arm/kernel/psci.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c index 7f6ff02..c5b94f5 100644 --- a/arch/arm/kernel/psci.c +++ b/arch/arm/kernel/psci.c @@ -13,6 +13,7 @@ * Author: Will Deacon */ +#include #include #include #include @@ -21,6 +22,7 @@ #include +#include #include #include @@ -47,6 +49,24 @@ * */ +#ifdef CONFIG_CPU_IDLE +static int psci_cpuidle_suspend(int cpu, unsigned long arg) +{ + return cpu_psci_cpu_suspend(arg); +} + +static int psci_cpuidle_init(struct device_node *node, int cpu) +{ + return cpu_psci_cpu_init_idle(cpu); +} + +static struct cpuidle_ops psci_cpuidle_ops __initdata = { + .suspend = psci_cpuidle_suspend, + .init = psci_cpuidle_init, +}; +CPUIDLE_METHOD_OF_DECLARE(psci_idle, "psci", &psci_cpuidle_ops); +#endif + #ifdef CONFIG_SMP extern void secondary_startup(void); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/