From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yingjoe Chen 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> References: <1414079595-26129-1-git-send-email-yingjoe.chen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1414079595-26129-1-git-send-email-yingjoe.chen@mediatek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Rob Herring , Jiang Liu , Marc Zyngier , Matthias Brugger , arm@kernel.org 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 List-Id: devicetree@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 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) -- 1.8.1.1.dirty