From patchwork Wed Apr 11 05:18:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Herrenschmidt X-Patchwork-Id: 897036 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40LXTz0tYkz9s27 for ; Wed, 11 Apr 2018 15:22:15 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 40LXTy6LwDzF1RM for ; Wed, 11 Apr 2018 15:22:14 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=permerror (mailfrom) smtp.mailfrom=kernel.crashing.org (client-ip=63.228.1.57; helo=gate.crashing.org; envelope-from=benh@kernel.crashing.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40LXQP09MmzF1Rc for ; Wed, 11 Apr 2018 15:19:08 +1000 (AEST) Received: from pasglop.ozlabs.ibm.com (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id w3B5I6XY005775; Wed, 11 Apr 2018 00:18:12 -0500 From: Benjamin Herrenschmidt To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 3/3] powerpc/xive: Remove xive_kexec_teardown_cpu() Date: Wed, 11 Apr 2018 15:18:01 +1000 Message-Id: <20180411051801.30194-3-benh@kernel.crashing.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180411051801.30194-1-benh@kernel.crashing.org> References: <20180411051801.30194-1-benh@kernel.crashing.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" It's identical to xive_teardown_cpu() so just use the latter Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/xive.h | 1 - arch/powerpc/platforms/powernv/setup.c | 2 +- arch/powerpc/platforms/pseries/kexec.c | 2 +- arch/powerpc/sysdev/xive/common.c | 22 ---------------------- 4 files changed, 2 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index 8d1a2792484f..3c704f5dd3ae 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -87,7 +87,6 @@ extern int xive_smp_prepare_cpu(unsigned int cpu); extern void xive_smp_setup_cpu(void); extern void xive_smp_disable_cpu(void); extern void xive_teardown_cpu(void); -extern void xive_kexec_teardown_cpu(int secondary); extern void xive_shutdown(void); extern void xive_flush_interrupt(void); diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 092715b9674b..5b4b09816791 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -282,7 +282,7 @@ static void pnv_kexec_cpu_down(int crash_shutdown, int secondary) u64 reinit_flags; if (xive_enabled()) - xive_kexec_teardown_cpu(secondary); + xive_teardown_cpu(); else xics_kexec_teardown_cpu(secondary); diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index eeb13429d685..9dabf019556b 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -53,7 +53,7 @@ void pseries_kexec_cpu_down(int crash_shutdown, int secondary) } if (xive_enabled()) - xive_kexec_teardown_cpu(secondary); + xive_teardown_cpu(); else xics_kexec_teardown_cpu(secondary); } diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 40c06110821c..c8db51b60b4b 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1408,28 +1408,6 @@ void xive_teardown_cpu(void) xive_cleanup_cpu_queues(cpu, xc); } -void xive_kexec_teardown_cpu(int secondary) -{ - struct xive_cpu *xc = __this_cpu_read(xive_cpu); - unsigned int cpu = smp_processor_id(); - - /* Set CPPR to 0 to disable flow of interrupts */ - xc->cppr = 0; - out_8(xive_tima + xive_tima_offset + TM_CPPR, 0); - - /* Backend cleanup if any */ - if (xive_ops->teardown_cpu) - xive_ops->teardown_cpu(cpu, xc); - -#ifdef CONFIG_SMP - /* Get rid of IPI */ - xive_cleanup_cpu_ipi(cpu, xc); -#endif - - /* Disable and free the queues */ - xive_cleanup_cpu_queues(cpu, xc); -} - void xive_shutdown(void) { xive_ops->shutdown();