Messages in this thread Patch in this message | | | From | Matthew Wilcox <> | Subject | [PATCH 4/5] Centralise NO_IRQ definition | Date | Sun, 20 Nov 2005 20:14:08 -0500 |
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Move the definition of NO_IRQ from asm directories to <linux/hardirq.h>. All existing definitions were already -1.
Signed-off-by: Matthew Wilcox <matthew@wil.cx> Acked-by: Ingo Molnar <mingo@elte.hu>
---
include/asm-arm/irq.h | 8 -------- include/asm-arm26/irq.h | 8 -------- include/asm-frv/irq.h | 3 --- include/asm-parisc/irq.h | 2 -- include/asm-powerpc/irq.h | 3 --- include/linux/hardirq.h | 8 ++++++++ 6 files changed, 8 insertions(+), 24 deletions(-)
applies-to: c2fd3b28a74be2ae6274c85c7a9538c7bf1dd949 604c0538936822cbb1c0958f0f835cbbaf723530 diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h index 59975ee..0545e36 100644 --- a/include/asm-arm/irq.h +++ b/include/asm-arm/irq.h @@ -11,14 +11,6 @@ #define NR_IRQS 128 #endif -/* - * Use this value to indicate lack of interrupt - * capability - */ -#ifndef NO_IRQ -#define NO_IRQ ((unsigned int)(-1)) -#endif - struct irqaction; extern void disable_irq_nosync(unsigned int); diff --git a/include/asm-arm26/irq.h b/include/asm-arm26/irq.h index 06bd5a5..7957d4e 100644 --- a/include/asm-arm26/irq.h +++ b/include/asm-arm26/irq.h @@ -14,14 +14,6 @@ #endif -/* - * Use this value to indicate lack of interrupt - * capability - */ -#ifndef NO_IRQ -#define NO_IRQ ((unsigned int)(-1)) -#endif - struct irqaction; #define disable_irq_nosync(i) disable_irq(i) diff --git a/include/asm-frv/irq.h b/include/asm-frv/irq.h index 2c16d8d..fbc5bd7 100644 --- a/include/asm-frv/irq.h +++ b/include/asm-frv/irq.h @@ -20,9 +20,6 @@ * drivers */ -/* this number is used when no interrupt has been assigned */ -#define NO_IRQ (-1) - #define NR_IRQ_LOG2_ACTIONS_PER_GROUP 5 #define NR_IRQ_ACTIONS_PER_GROUP (1 << NR_IRQ_LOG2_ACTIONS_PER_GROUP) #define NR_IRQ_GROUPS 4 diff --git a/include/asm-parisc/irq.h b/include/asm-parisc/irq.h index b0a30e2..26ab3be 100644 --- a/include/asm-parisc/irq.h +++ b/include/asm-parisc/irq.h @@ -11,8 +11,6 @@ #include <linux/cpumask.h> #include <asm/types.h> -#define NO_IRQ (-1) - #ifdef CONFIG_GSC #define GSC_IRQ_BASE 16 #define GSC_IRQ_MAX 63 diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h index 8eb7e85..1b41206 100644 --- a/include/asm-powerpc/irq.h +++ b/include/asm-powerpc/irq.h @@ -15,9 +15,6 @@ #include <asm/types.h> #include <asm/atomic.h> -/* this number is used when no interrupt has been assigned */ -#define NO_IRQ (-1) - /* * These constants are used for passing information about interrupt * signal polarity and level/edge sensing to the low-level PIC chip diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 71d2b8a..9ee4946 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -87,6 +87,14 @@ extern void synchronize_irq(unsigned int # define synchronize_irq(irq) barrier() #endif +/* + * This value means "Device has no interrupt". For most pieces of code, + * any value above NR_IRQS would do, but -1 is traditional. The PCI + * subsystem currently uses 0, but that's a legal IRQ number on some + * architectures. + */ +#define NO_IRQ ((unsigned int)(-1)) + #define nmi_enter() irq_enter() #define nmi_exit() sub_preempt_count(HARDIRQ_OFFSET) --- 0.99.8.GIT - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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