From patchwork Mon Jun 1 08:05:20 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 478842 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7A859140E3E for ; Mon, 1 Jun 2015 18:19:48 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753314AbbFAIT1 (ORCPT ); Mon, 1 Jun 2015 04:19:27 -0400 Received: from mga03.intel.com ([134.134.136.65]:55853 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750936AbbFAIF1 (ORCPT ); Mon, 1 Jun 2015 04:05:27 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP; 01 Jun 2015 01:05:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,531,1427785200"; d="scan'208";a="734799667" Received: from gerry-dev.bj.intel.com ([10.238.158.61]) by fmsmga002.fm.intel.com with ESMTP; 01 Jun 2015 01:05:23 -0700 From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Simon Horman , Magnus Damm , Jiang Liu Cc: Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-sh@vger.kernel.org Subject: [Patch v3 11/36] sh, irq: Use helper irq_data_get_irq_handler_data() to hide irq_desc details Date: Mon, 1 Jun 2015 16:05:20 +0800 Message-Id: <1433145945-789-12-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1433145945-789-1-git-send-email-jiang.liu@linux.intel.com> References: <1433145945-789-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Use helper function irq_data_get_irq_handler_data() to hide irq_desc implementation details. Signed-off-by: Jiang Liu --- drivers/sh/intc/virq.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c index f30ac9354ff2..bc0601cf0f8f 100644 --- a/drivers/sh/intc/virq.c +++ b/drivers/sh/intc/virq.c @@ -83,12 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup); static int add_virq_to_pirq(unsigned int irq, unsigned int virq) { - struct intc_virq_list **last, *entry; - struct irq_data *data = irq_get_irq_data(irq); + struct intc_virq_list *entry; + struct intc_virq_list **last = NULL; /* scan for duplicates */ - last = (struct intc_virq_list **)&data->handler_data; - for_each_virq(entry, data->handler_data) { + for_each_virq(entry, irq_get_handler_data(irq)) { if (entry->irq == virq) return 0; last = &entry->next; @@ -102,7 +101,10 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq) entry->irq = virq; - *last = entry; + if (last) + *last = entry; + else + irq_set_handler_data(irq, entry); return 0; }