From patchwork Mon Jun 13 17:18:13 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: 875882 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p5DHIWJr018583 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 13 Jun 2011 17:18:53 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QWAmP-0008BJ-2b; Mon, 13 Jun 2011 17:18:25 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QWAmO-0002oL-JI; Mon, 13 Jun 2011 17:18:24 +0000 Received: from [2002:4e20:1eda::1] (helo=caramon.arm.linux.org.uk) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QWAmK-0002o3-O1 for linux-arm-kernel@lists.infradead.org; Mon, 13 Jun 2011 17:18:21 +0000 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=URKjiQcwNdX6B9YaMgReQGA2PLGTVlDG8b75fhESoqs=; b=mkZOajd5VmzspEe2XqdFRwTXxwbMFAxamXqj7hp9TatNcnHbS2Khg043JlfJCJ8uqS3ji2vbediXU8yenB1b50tBTM3XClettArvienpCSgnbqlT4bDylFAst/Eh8SZ6zl3AyfiPV2PqglF5yxtkJZBBOesnvMqCepUlcmzBpSk=; 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 1QWAmG-0001dN-39 for linux-arm-kernel@lists.infradead.org; Mon, 13 Jun 2011 18:18:16 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1QWAmD-0002eR-Ty for linux-arm-kernel@lists.infradead.org; Mon, 13 Jun 2011 18:18:13 +0100 In-Reply-To: <20110613171446.GF13643@n2100.arm.linux.org.uk> References: <20110613171446.GF13643@n2100.arm.linux.org.uk> From: Russell King - ARM Linux To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 10/14] ARM: suspend: sa1100: cleanup sa1100_cpu_suspend MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Mon, 13 Jun 2011 18:18:13 +0100 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110613_131821_381648_B4202DB0 X-CRM114-Status: GOOD ( 12.57 ) X-Spam-Score: 1.2 (+) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 1.3 RDNS_NONE Delivered to internal network by a host with no rDNS X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 13 Jun 2011 17:18:53 +0000 (UTC) sa1100_cpu_suspend does not need to save any registers to the stack with the new cpu_suspend calling convention. Remove these redundant instructions. Signed-off-by: Russell King --- arch/arm/mach-sa1100/sleep.S | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-sa1100/sleep.S b/arch/arm/mach-sa1100/sleep.S index 214f4e2..e814b60 100644 --- a/arch/arm/mach-sa1100/sleep.S +++ b/arch/arm/mach-sa1100/sleep.S @@ -29,12 +29,12 @@ */ ENTRY(sa1100_cpu_suspend) - stmfd sp!, {r4 - r12, lr} @ save registers on stack + mov r9, lr mov r1, r0 adr r3, BSYM(sa1100_finish_suspend) bl cpu_suspend mcr p15, 0, r1, c15, c1, 2 @ enable clock switching - ldmfd sp!, {r4 - r12, pc} @ return to caller + mov pc, r9 @ return to caller sa1100_finish_suspend: @ disable clock switching