From patchwork Tue Jan 6 11:26:58 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Esben Haabendal X-Patchwork-Id: 425629 X-Patchwork-Delegate: scottwood@freescale.com Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 722551400B7 for ; Tue, 6 Jan 2015 22:27:58 +1100 (AEDT) Received: from ozlabs.org (ozlabs.org [103.22.144.67]) by lists.ozlabs.org (Postfix) with ESMTP id 4F9801A0F2A for ; Tue, 6 Jan 2015 22:27:58 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mail-la0-x235.google.com (mail-la0-x235.google.com [IPv6:2a00:1450:4010:c03::235]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 1EE4B1A078E for ; Tue, 6 Jan 2015 22:27:13 +1100 (AEDT) Received: by mail-la0-f53.google.com with SMTP id gm9so19378622lab.40 for ; Tue, 06 Jan 2015 03:27:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id; bh=8rbYCS0yH9sugmUKT+j6RRK2tvFARm3KDGB2CUkXIR8=; b=Zng/s1I+aEAHnD2m2emOsmCmlmOqL5hLccAnumcAYSl+wuOKD/cxyG9iFWcAB5eF9a hZkz7iX3QKOzsvnPGfan7cDcGTjRg0OrRWxQLdNAg4Ix+S40CI//L68qK+upuWzFlhmn kB31KUXsBlhss1vMRr5KVVseSwIz4a4W4Fu72EWGuKxNIzJDN6i/TAf3n0rP1i6vCRok wWHu0+XmCa4BbUtm4/Uwof65McFsFbwOXFHYEAguVdKt2SFX6dev4m357oJ1lNJrsYEd HCeN+rdK4HSqok4qchA0ENpHdBTVI2Dxiz7OLf4STOzP/Qve6jLTqPPgimd0/rzCSmWK wgfQ== X-Received: by 10.112.104.4 with SMTP id ga4mr29148819lbb.24.1420543628870; Tue, 06 Jan 2015 03:27:08 -0800 (PST) Received: from eha.home (87-57-30-174-static.dk.customer.tdc.net. [87.57.30.174]) by mx.google.com with ESMTPSA id l7sm4683542lbd.7.2015.01.06.03.27.07 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 06 Jan 2015 03:27:08 -0800 (PST) From: esben.haabendal@gmail.com To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: [PATCH 1/3] powerpc: ipic: Fix mcp status helper functions Date: Tue, 6 Jan 2015 12:26:58 +0100 Message-Id: <1420543620-20658-1-git-send-email-esben.haabendal@gmail.com> X-Mailer: git-send-email 2.1.4 Cc: Esben Haabendal , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Esben Haabendal Read and write the SERSR (System Error Status Register) instead of the SERMR (System Error Mask Register), to actually get and clear the status bits. Signed-off-by: Esben Haabendal --- arch/powerpc/sysdev/ipic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index b287337..2e41a73 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -843,12 +843,12 @@ void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq) u32 ipic_get_mcp_status(void) { - return ipic_read(primary_ipic->regs, IPIC_SERMR); + return ipic_read(primary_ipic->regs, IPIC_SERSR); } void ipic_clear_mcp_status(u32 mask) { - ipic_write(primary_ipic->regs, IPIC_SERMR, mask); + ipic_write(primary_ipic->regs, IPIC_SERSR, mask); } /* Return an interrupt vector or NO_IRQ if no interrupt is pending. */