From patchwork Thu Oct 23 15:53:11 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yingjoe Chen X-Patchwork-Id: 5141661 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2CE089F349 for ; Thu, 23 Oct 2014 15:58:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58B1B20225 for ; Thu, 23 Oct 2014 15:58:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8C6A3201FB for ; Thu, 23 Oct 2014 15:58:03 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XhKjx-0001FQ-4x; Thu, 23 Oct 2014 15:55:53 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XhKip-00082F-LZ for linux-arm-kernel@lists.infradead.org; Thu, 23 Oct 2014 15:54:44 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1750820147; Thu, 23 Oct 2014 23:54:18 +0800 Received: from mtksdtcf02.mediatek.inc (10.21.12.142) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Thu, 23 Oct 2014 23:54:11 +0800 From: Yingjoe Chen To: Rob Herring , Jiang Liu , Marc Zyngier , Matthias Brugger , Subject: [PATCH v4 3/7] genirq: Add more helper functions to support stacked irq_chip Date: Thu, 23 Oct 2014 23:53:11 +0800 Message-ID: <1414079595-26129-4-git-send-email-yingjoe.chen@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1414079595-26129-1-git-send-email-yingjoe.chen@mediatek.com> References: <1414079595-26129-1-git-send-email-yingjoe.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141023_085443_938021_DF75FF31 X-CRM114-Status: UNSURE ( 8.11 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 1.3 (+) Cc: Mark Rutland , Benjamin Herrenschmidt , yingjoe.chen@gmail.com, Boris BREZILLON , Russell King , Arnd Bergmann , yh.chen@mediatek.com, nathan.chung@mediatek.com, Grant Likely , Yingjoe Chen , devicetree@vger.kernel.org, Jason Cooper , Pawel Moll , Ian Campbell , Hans de Goede , Thomas Gleixner , eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, srv_heupstream@mediatek.com, hc.yen@mediatek.com, linux-kernel@vger.kernel.org, Kumar Gala , Olof Johansson X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 Add more helper function for stacked irq_chip to just call parent's function. Signed-off-by: Yingjoe Chen --- include/linux/irq.h | 6 ++++++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 07abf5a..071b1e8 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -437,6 +437,12 @@ extern void handle_nested_irq(unsigned int irq); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY extern void irq_chip_ack_parent(struct irq_data *data); +extern void irq_chip_mask_parent(struct irq_data *data); +extern void irq_chip_unmask_parent(struct irq_data *data); +extern void irq_chip_eoi_parent(struct irq_data *data); +extern int irq_chip_set_affinity_parent(struct irq_data *data, + const struct cpumask *dest, + bool force); extern int irq_chip_retrigger_hierarchy(struct irq_data *data); #endif diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 58ed9ed..0ecc270 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -829,6 +829,34 @@ void irq_chip_ack_parent(struct irq_data *data) data->chip->irq_ack(data); } +void irq_chip_mask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_mask(data); +} + +void irq_chip_unmask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_unmask(data); +} + +void irq_chip_eoi_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_eoi(data); +} + +int irq_chip_set_affinity_parent(struct irq_data *data, + const struct cpumask *dest, bool force) +{ + data = data->parent_data; + if (data->chip->irq_set_affinity) + return data->chip->irq_set_affinity(data, dest, force); + + return -ENOSYS; +} + int irq_chip_retrigger_hierarchy(struct irq_data *data) { for (data = data->parent_data; data; data = data->parent_data)