From patchwork Tue Aug 9 21:42:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 1051272 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 p79Li9HP006077 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 9 Aug 2011 21:44:30 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qqu5U-0002aC-SZ; Tue, 09 Aug 2011 21:43:50 +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 1Qqu5S-0002Gp-Vd; Tue, 09 Aug 2011 21:43:46 +0000 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Qqu4a-000248-Ke for linux-arm-kernel@lists.infradead.org; Tue, 09 Aug 2011 21:42:53 +0000 Received: from localhost.localdomain (e102144-lin.cambridge.arm.com [10.1.69.60]) by cam-admin0.cambridge.arm.com (8.12.6/8.12.6) with ESMTP id p79Lg916021910; Tue, 9 Aug 2011 22:42:09 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 5/8] ARM: msm: convert logical CPU numbers to physical numbers Date: Tue, 9 Aug 2011 22:42:39 +0100 Message-Id: <1312926162-22469-6-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 1.7.0.4 MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1312926162-22469-1-git-send-email-will.deacon@arm.com> References: <1312926162-22469-1-git-send-email-will.deacon@arm.com> X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110809_174252_918586_B0CCB982 X-CRM114-Status: GOOD ( 14.49 ) X-Spam-Score: -3.1 (---) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-3.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [217.140.96.50 listed in list.dnswl.org] -0.8 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: David Brown , Will Deacon 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]); Tue, 09 Aug 2011 21:44:30 +0000 (UTC) This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the pen_release variable in the SMP boot and CPU hotplug paths. Cc: David Brown Signed-off-by: Will Deacon Tested-by: David Brown Acked-by: David Brown --- arch/arm/mach-msm/hotplug.c | 2 +- arch/arm/mach-msm/platsmp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c index 5a31f70..41c252d 100644 --- a/arch/arm/mach-msm/hotplug.c +++ b/arch/arm/mach-msm/hotplug.c @@ -37,7 +37,7 @@ static inline void platform_do_lowpower(unsigned int cpu) : : "memory", "cc"); - if (pen_release == cpu) { + if (pen_release == cpu_logical_map(cpu)) { /* * OK, proper wakeup, we're done */ diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 1a1af9e..e3375ee 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -117,7 +117,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) * Note that "pen_release" is the hardware CPU ID, whereas * "cpu" is Linux's internal ID. */ - pen_release = cpu; + pen_release = cpu_logical_map(cpu); __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release)); outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));