diff options
author | Yingjoe Chen <yingjoe.chen@mediatek.com> | 2014-11-13 23:37:05 +0800 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2014-11-23 13:01:46 +0100 |
commit | 56e8abab615e0c5858cfb9fa0015a44641762b9d (patch) | |
tree | b901401d90577e00ff7a11bd31c291f14720c8a3 /kernel | |
parent | 85f08c17de26f117be6ca7aa260d2ec02a2248ba (diff) | |
download | linux-56e8abab615e0c5858cfb9fa0015a44641762b9d.tar.bz2 |
genirq: Add more helper functions to support stacked irq_chip
Add more helper function for stacked irq_chip to just call parent's
function.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gran Likely <grant.likely@linaro.org>
Cc: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: <srv_heupstream@mediatek.com>
Cc: <yingjoe.chen@gmail.com>
Cc: <hc.yen@mediatek.com>
Cc: <eddie.huang@mediatek.com>
Cc: <nathan.chung@mediatek.com>
Cc: <yh.chen@mediatek.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/1415893029-2971-3-git-send-email-yingjoe.chen@mediatek.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/irq/chip.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index dd1d3c4c93a2..47f4c6469a43 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -863,6 +863,54 @@ void irq_chip_ack_parent(struct irq_data *data) } /** + * irq_chip_mask_parent - Mask the parent interrupt + * @data: Pointer to interrupt specific data + */ +void irq_chip_mask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_mask(data); +} + +/** + * irq_chip_unmask_parent - Unmask the parent interrupt + * @data: Pointer to interrupt specific data + */ +void irq_chip_unmask_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_unmask(data); +} + +/** + * irq_chip_eoi_parent - Invoke EOI on the parent interrupt + * @data: Pointer to interrupt specific data + */ +void irq_chip_eoi_parent(struct irq_data *data) +{ + data = data->parent_data; + data->chip->irq_eoi(data); +} + +/** + * irq_chip_set_affinity_parent - Set affinity on the parent interrupt + * @data: Pointer to interrupt specific data + * @dest: The affinity mask to set + * @force: Flag to enforce setting (disable online checks) + * + * Conditinal, as the underlying parent chip might not implement it. + */ +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; +} + +/** * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware * @data: Pointer to interrupt specific data * |