From patchwork Tue Oct 13 11:51:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 7384211 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 67C389F1D5 for ; Tue, 13 Oct 2015 11:58:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 80FD5207EA for ; Tue, 13 Oct 2015 11:58:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7803720793 for ; Tue, 13 Oct 2015 11:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753014AbbJML6U (ORCPT ); Tue, 13 Oct 2015 07:58:20 -0400 Received: from foss.arm.com ([217.140.101.70]:52191 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753081AbbJMLwQ (ORCPT ); Tue, 13 Oct 2015 07:52:16 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D557446A; Tue, 13 Oct 2015 04:52:13 -0700 (PDT) Received: from approximate.cambridge.arm.com (approximate.cambridge.arm.com [10.1.209.125]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DDBA63F21A; Tue, 13 Oct 2015 04:52:13 -0700 (PDT) From: Marc Zyngier To: Thomas Gleixner , Jiang Liu , Jason Cooper , "Rafael J. Wysocki" Cc: , , , Lorenzo Pieralisi , Tomasz Nowicki , Hanjun Guo , Suravee Suthikulpanit , Graeme Gregory , Jake Oshins Subject: [PATCH v2 02/17] irqdomain: Convert irqdomain->of_node to fwnode Date: Tue, 13 Oct 2015 12:51:30 +0100 Message-Id: <1444737105-31573-3-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1444737105-31573-1-git-send-email-marc.zyngier@arm.com> References: <1444737105-31573-1-git-send-email-marc.zyngier@arm.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now that we have everyone accessing the of_node field via the irq_domain_get_of_node accessor, it is pretty easy to swap it for a pointer to a fwnode_handle. This translates into a few limited changes in __irq_domain_add, and an updated irq_domain_get_of_node. Signed-off-by: Marc Zyngier --- include/linux/irqdomain.h | 5 +++-- kernel/irq/irqdomain.c | 6 +++++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f644fdb..2f508f4 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -34,6 +34,7 @@ #include #include +#include #include struct device_node; @@ -130,7 +131,7 @@ struct irq_domain { unsigned int flags; /* Optional data */ - struct device_node *of_node; + struct fwnode_handle *fwnode; enum irq_domain_bus_token bus_token; struct irq_domain_chip_generic *gc; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY @@ -163,7 +164,7 @@ enum { static inline struct device_node *irq_domain_get_of_node(struct irq_domain *d) { - return d->of_node; + return to_of_node(d->fwnode); } #ifdef CONFIG_IRQ_DOMAIN diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 8f8b538..1aee5c1 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -46,17 +46,21 @@ struct irq_domain *__irq_domain_add(struct device_node *of_node, int size, void *host_data) { struct irq_domain *domain; + struct fwnode_handle *fwnode; domain = kzalloc_node(sizeof(*domain) + (sizeof(unsigned int) * size), GFP_KERNEL, of_node_to_nid(of_node)); if (WARN_ON(!domain)) return NULL; + of_node_get(of_node); + fwnode = of_node ? &of_node->fwnode : NULL; + /* Fill structure */ INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL); domain->ops = ops; domain->host_data = host_data; - domain->of_node = of_node_get(of_node); + domain->fwnode = fwnode; domain->hwirq_max = hwirq_max; domain->revmap_size = size; domain->revmap_direct_max_irq = direct_max;