Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932490AbaJ2KHk (ORCPT ); Wed, 29 Oct 2014 06:07:40 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:58741 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S932137AbaJ2KHf (ORCPT ); Wed, 29 Oct 2014 06:07:35 -0400 X-Listener-Flag: 11101 From: Yingjoe Chen To: Matthias Brugger , Thomas Gleixner , Jiang Liu , Marc Zyngier , CC: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Jason Cooper , Benjamin Herrenschmidt , Yingjoe Chen , Grant Likely , Boris BREZILLON , , , , , , , , , , Sascha Hauer , Olof Johansson , Arnd Bergmann Subject: [PATCH v5 2/6] genirq: Add more helper functions to support stacked irq_chip Date: Wed, 29 Oct 2014 18:00:20 +0800 Message-ID: <1414576824-16143-3-git-send-email-yingjoe.chen@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1414576824-16143-1-git-send-email-yingjoe.chen@mediatek.com> References: <1414576824-16143-1-git-send-email-yingjoe.chen@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 0adcbbb..ff0a89c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -445,6 +445,12 @@ 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 12f3e72..fe53575 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -858,6 +858,34 @@ 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) -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/