From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756535AbaHVNuV (ORCPT ); Fri, 22 Aug 2014 09:50:21 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:58068 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756262AbaHVNuQ (ORCPT ); Fri, 22 Aug 2014 09:50:16 -0400 From: Nishanth Menon To: Tony Lindgren CC: Kevin Hilman , Tero Kristo , Paul Walmsley , , , , Keerthy , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Santosh Shilimkar , Nishanth Menon Subject: [PATCH 7/7] ARM: OMAP4+: PM: Use only valid low power state for CPU hotplug Date: Fri, 22 Aug 2014 08:49:33 -0500 Message-ID: <1408715373-25791-8-git-send-email-nm@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1408715373-25791-1-git-send-email-nm@ti.com> References: <1408715373-25791-1-git-send-email-nm@ti.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 Not all SoCs support OFF mode - for example DRA74/72. So, use valid power state during CPU hotplug. Signed-off-by: Nishanth Menon --- arch/arm/mach-omap2/omap-mpuss-lowpower.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 4001325..e9cdacf 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -298,6 +298,10 @@ int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) if (omap_rev() == OMAP4430_REV_ES1_0) return -ENXIO; + /* Use the achievable power state for the domain */ + power_state = pwrdm_get_valid_lp_state(pm_info->pwrdm, + false, power_state); + if (power_state == PWRDM_POWER_OFF) cpu_state = 1; -- 1.7.9.5