From patchwork Thu Jun 23 19:11:03 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King - ARM Linux X-Patchwork-Id: 913022 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p5NJBEUZ021970 for ; Thu, 23 Jun 2011 19:11:14 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932807Ab1FWTLN (ORCPT ); Thu, 23 Jun 2011 15:11:13 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:36007 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932771Ab1FWTLN (ORCPT ); Thu, 23 Jun 2011 15:11:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=caramon; h=Date:Sender:Message-Id:Content-Type:MIME-Version:Subject:To:From:References:In-Reply-To; bh=G1QcscdYiyaBgqjacjIXvUUvRosC0Jq1BYOfuxU6F2E=; b=LMe5S2eY++U/lFXlFMQtSrMxiBmYq5ufND71e6Z+AR6EZYdRDT+Xj/EPm7OXeBctYgNl+KCnyYejLb6qf/vD2v/sQ8fDxPXDwllNSREOmS4dY6hYVD87IEXWSTwzxyFOeo9me/KAv+ST+9f4m29ZgoA7itP9QGsI8psIXicQ5Pw=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd] helo=rmk-PC.arm.linux.org.uk) by caramon.arm.linux.org.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1QZpIu-0005UE-Es; Thu, 23 Jun 2011 20:11:04 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1QZpIt-0005m2-I0; Thu, 23 Jun 2011 20:11:03 +0100 In-Reply-To: <20110623190900.GH9449@n2100.arm.linux.org.uk> References: <20110623190900.GH9449@n2100.arm.linux.org.uk> From: Russell King - ARM Linux To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 06/25] ARM: pm: extract common code from MULTI_CPU/!MULTI_CPU paths MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Thu, 23 Jun 2011 20:11:03 +0100 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 23 Jun 2011 19:11:14 +0000 (UTC) Very little code is different between these two paths now, so extract the common code. Acked-by: Frank Hofmann Signed-off-by: Russell King --- arch/arm/kernel/sleep.S | 24 ++++++------------------ 1 files changed, 6 insertions(+), 18 deletions(-) diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S index f8e9251..0a778c3 100644 --- a/arch/arm/kernel/sleep.S +++ b/arch/arm/kernel/sleep.S @@ -19,29 +19,13 @@ ENTRY(cpu_suspend) mov r9, lr #ifdef MULTI_CPU ldr r10, =processor - mov r2, sp @ current virtual SP ldr r0, [r10, #CPU_SLEEP_SIZE] @ size of CPU sleep state ldr ip, [r10, #CPU_DO_RESUME] @ virtual resume function - sub sp, sp, r0 @ allocate CPU state on stack - mov r0, sp @ save pointer - add ip, ip, r1 @ convert resume fn to phys - stmfd sp!, {r1, r2, ip} @ save v:p, virt SP, phys resume fn - ldr r3, =sleep_save_sp - add r2, sp, r1 @ convert SP to phys -#ifdef CONFIG_SMP - ALT_SMP(mrc p15, 0, lr, c0, c0, 5) - ALT_UP(mov lr, #0) - and lr, lr, #15 - str r2, [r3, lr, lsl #2] @ save phys SP #else - str r2, [r3] @ save phys SP -#endif - mov lr, pc - ldr pc, [r10, #CPU_DO_SUSPEND] @ save CPU state -#else - mov r2, sp @ current virtual SP ldr r0, =cpu_suspend_size ldr ip, =cpu_do_resume +#endif + mov r2, sp @ current virtual SP sub sp, sp, r0 @ allocate CPU state on stack mov r0, sp @ save pointer add ip, ip, r1 @ convert resume fn to phys @@ -56,6 +40,10 @@ ENTRY(cpu_suspend) #else str r2, [r3] @ save phys SP #endif +#ifdef MULTI_CPU + mov lr, pc + ldr pc, [r10, #CPU_DO_SUSPEND] @ save CPU state +#else bl cpu_do_suspend #endif