From mboxrd@z Thu Jan 1 00:00:00 1970 From: yingjoe.chen@mediatek.com (Joe.C) Date: Thu, 9 Oct 2014 22:29:35 +0800 Subject: [PATCH v3 2/7] genirq: Add more helper functions to support stacked irq_chip In-Reply-To: <1412864980-20273-1-git-send-email-yingjoe.chen@mediatek.com> References: <1412864980-20273-1-git-send-email-yingjoe.chen@mediatek.com> Message-ID: <1412864980-20273-3-git-send-email-yingjoe.chen@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: "Joe.C" Add more helper function for stacked irq_chip to just call parent's function. Signed-off-by: Joe.C --- include/linux/irq.h | 5 +++++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 07abf5a..6159256 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -437,6 +437,11 @@ 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