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[209.132.180.67]) by mx.google.com with ESMTP id l8si892858pgf.552.2017.09.05.14.20.25; Tue, 05 Sep 2017 14:20:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753389AbdIEVUX (ORCPT + 26 others); Tue, 5 Sep 2017 17:20:23 -0400 Received: from mx2.suse.de ([195.135.220.15]:34009 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752248AbdIEVUM (ORCPT ); Tue, 5 Sep 2017 17:20:12 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 658D3AE53; Tue, 5 Sep 2017 21:20:11 +0000 (UTC) From: =?utf-8?q?Andreas_F=C3=A4rber?= To: =?utf-8?q?Andreas_F=C3=A4rber?= , linux-arm-kernel@lists.infradead.org Cc: Thomas Liau , =?utf-8?b?5byg5Lic6aOO?= , =?utf-8?b?5YiY54Kc?= , =?utf-8?b?5byg5aSp55uK?= , =?utf-8?b?5qKF5Yip?= , 96boards@ucrobotics.com, support@lemaker.org, support@cubietech.com, lee@cubietech.com, Ioan B , Florian Fainelli , linux-kernel@vger.kernel.org, Russell King Subject: [PATCH v2 2/2] ARM: owl: smp: Drop owl_secondary_boot() Date: Tue, 5 Sep 2017 23:20:00 +0200 Message-Id: <20170905212000.7009-3-afaerber@suse.de> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170905212000.7009-1-afaerber@suse.de> References: <20170905212000.7009-1-afaerber@suse.de> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit 18cfd9429d8a82c49add8f3ca9d366599bfcac45 simplified the S500 SMP code by removing a loop for pen_release in owl_secondary_boot(). Since then it is only calling owl_v7_invalidate_l1() before branching to secondary_startup(). The owl_v7_invalidate_l1() assembler function is superfluous, too. Therefore drop owl_secondary_boot() and use secondary_boot() directly. Fixes: 18cfd9429d8a ("ARM: owl: smp: Drop bogus holding pen") Cc: David Liu Signed-off-by: Andreas Färber --- v1 -> v2: * Rebased onto __pa_symbol() * Tweaked commit message arch/arm/mach-actions/Makefile | 4 +--- arch/arm/mach-actions/headsmp.S | 52 ----------------------------------------- arch/arm/mach-actions/platsmp.c | 2 +- 3 files changed, 2 insertions(+), 56 deletions(-) delete mode 100644 arch/arm/mach-actions/headsmp.S -- 2.13.5 diff --git a/arch/arm/mach-actions/Makefile b/arch/arm/mach-actions/Makefile index c0f116241da7..13831037d8cd 100644 --- a/arch/arm/mach-actions/Makefile +++ b/arch/arm/mach-actions/Makefile @@ -1,3 +1 @@ -obj-${CONFIG_SMP} += platsmp.o headsmp.o - -AFLAGS_headsmp.o := -Wa,-march=armv7-a +obj-${CONFIG_SMP} += platsmp.o diff --git a/arch/arm/mach-actions/headsmp.S b/arch/arm/mach-actions/headsmp.S deleted file mode 100644 index 65f53bdb69e7..000000000000 --- a/arch/arm/mach-actions/headsmp.S +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright 2012 Actions Semi Inc. - * Author: Actions Semi, Inc. - * - * Copyright (c) 2017 Andreas Färber - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include - -ENTRY(owl_v7_invalidate_l1) - mov r0, #0 - mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache - mcr p15, 2, r0, c0, c0, 0 - mrc p15, 1, r0, c0, c0, 0 - - ldr r1, =0x7fff - and r2, r1, r0, lsr #13 - - ldr r1, =0x3ff - - and r3, r1, r0, lsr #3 @ NumWays - 1 - add r2, r2, #1 @ NumSets - - and r0, r0, #0x7 - add r0, r0, #4 @ SetShift - - clz r1, r3 @ WayShift - add r4, r3, #1 @ NumWays -1: sub r2, r2, #1 @ NumSets-- - mov r3, r4 @ Temp = NumWays -2: subs r3, r3, #1 @ Temp-- - mov r5, r3, lsl r1 - mov r6, r2, lsl r0 - orr r5, r5, r6 @ Reg = (Temp<