From patchwork Tue Aug 9 21:42:40 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 1051322 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 p79Lja2F006364 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 9 Aug 2011 21:45:57 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qqu6t-0002tt-Ep; Tue, 09 Aug 2011 21:45:16 +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 1Qqu6r-0002jL-K2; Tue, 09 Aug 2011 21:45:13 +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 1Qqu4l-00026y-LR for linux-arm-kernel@lists.infradead.org; Tue, 09 Aug 2011 21:43:05 +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 p79Lg917021910; Tue, 9 Aug 2011 22:42:10 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 6/8] ARM: shmobile: convert logical CPU numbers to physical numbers Date: Tue, 9 Aug 2011 22:42:40 +0100 Message-Id: <1312926162-22469-7-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_174304_347236_44C29C82 X-CRM114-Status: GOOD ( 13.52 ) 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: Paul Mundt , 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 21:45:58 +0000 (UTC) This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the SCU in the SMP boot path for sh73a0. Cc: Paul Mundt Signed-off-by: Will Deacon --- arch/arm/mach-shmobile/smp-sh73a0.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 3ffdbc9..be1ade7 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -74,6 +74,8 @@ void __cpuinit sh73a0_secondary_init(unsigned int cpu) int __cpuinit sh73a0_boot_secondary(unsigned int cpu) { + cpu = cpu_logical_map(cpu); + /* enable cache coherency */ modify_scu_cpu_psr(0, 3 << (cpu * 8)); @@ -87,6 +89,8 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu) void __init sh73a0_smp_prepare_cpus(void) { + int cpu = cpu_logical_map(0); + scu_enable(scu_base_addr()); /* Map the reset vector (in headsmp.S) */ @@ -94,5 +98,5 @@ void __init sh73a0_smp_prepare_cpus(void) __raw_writel(__pa(shmobile_secondary_vector), __io(SBAR)); /* enable cache coherency on CPU0 */ - modify_scu_cpu_psr(0, 3 << (0 * 8)); + modify_scu_cpu_psr(0, 3 << (cpu * 8)); }