diff options
| author | Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> | 2014-11-25 18:47:22 +0000 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-11-26 15:55:18 +0000 |
| commit | 853a33ce6932601030f550653aea91a0e0a71511 (patch) | |
| tree | f9e792722448699931ffe6627c676f34e0aed587 /include/linux/irqchip | |
| parent | f4e27e30b3663a8652746d1c7d1649a5fa8c0e6c (diff) | |
irqchip: gic-v2m: Add support for ARM GICv2m MSI(-X) doorbell
ARM GICv2m specification extends GICv2 to support MSI(-X) with
a new register frame. This allows a GICv2 based system to support
MSI with minimal changes.
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
[maz: converted the driver to use stacked irq domains,
updated changelog]
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1416941243-7181-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'include/linux/irqchip')
| -rw-r--r-- | include/linux/irqchip/arm-gic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 13eed92c7d24..60b09ed58cae 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -106,6 +106,8 @@ static inline void gic_init(unsigned int nr, int start, gic_init_bases(nr, start, dist, cpu, 0, NULL); } +int gicv2m_of_init(struct device_node *node, struct irq_domain *parent); + void gic_send_sgi(unsigned int cpu_id, unsigned int irq); int gic_get_cpu_id(unsigned int cpu); void gic_migrate_target(unsigned int new_cpu_id); |