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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-17 20:14:14 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-17 20:14:14 +0200 |
| commit | d94ddace23997c2899e8137f088488773b35eadb (patch) | |
| tree | b3b67a7aea0c4f31959bfae07aa9b10fc5109808 /include/linux/irq.h | |
| parent | a66b9c21b0d832c5b352140f9a00b971e63fac45 (diff) | |
| parent | 4eec1a1ebdf7c448ec50c926b7e5ca97463cc1ff (diff) | |
| download | lwn-d94ddace23997c2899e8137f088488773b35eadb.tar.gz lwn-d94ddace23997c2899e8137f088488773b35eadb.zip | |
Merge branch 'rt/base' into rt/head
Conflicts:
kernel/irq/chip.c
kernel/irq/internals.h
kernel/irq/manage.c
Convert forced irq threading to the new ONESHOT infrastructure
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index c168a2fd8377..9a0a74f07a69 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -69,6 +69,8 @@ typedef void (*irq_flow_handler_t)(unsigned int irq, #define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */ #define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/ #define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */ +#define IRQ_ONESHOT 0x08000000 /* IRQ is not unmasked after hardirq */ +#define IRQ_NESTED_THREAD 0x10000000 /* IRQ is nested into another, no own handler thread */ #ifdef CONFIG_IRQ_PER_CPU # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) @@ -100,6 +102,9 @@ struct msi_desc; * @set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ * @set_wake: enable/disable power-management wake-on of an IRQ * + * @bus_lock: function to lock access to slow bus (i2c) chips + * @bus_sync_unlock: function to sync and unlock slow bus (i2c) chips + * * @release: release function solely used by UML * @typename: obsoleted by name, kept as migration helper */ @@ -123,6 +128,9 @@ struct irq_chip { int (*set_type)(unsigned int irq, unsigned int flow_type); int (*set_wake)(unsigned int irq, unsigned int on); + void (*bus_lock)(unsigned int irq); + void (*bus_sync_unlock)(unsigned int irq); + /* Currently used only by UML, might disappear one day.*/ #ifdef CONFIG_IRQ_RELEASE_METHOD void (*release)(unsigned int irq, void *dev_id); @@ -380,6 +388,8 @@ set_irq_chained_handler(unsigned int irq, __set_irq_handler(irq, handle, 1, NULL); } +extern void set_irq_nested_thread(unsigned int irq, int nest); + extern void set_irq_noprobe(unsigned int irq); extern void set_irq_probe(unsigned int irq); |