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authorIngo Molnar <mingo@elte.hu>2006-06-29 02:24:44 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 10:26:23 -0700
commitc0ad90a32fb60f4129d0e24dfd5fd7128e2e09f2 (patch)
tree260d99ab74d33a37cbcc3557e2f18a5e96879f4d /include
parent096c8131c573ed37939dc3f1440221c92c87e74b (diff)
downloadlinux-c0ad90a32fb60f4129d0e24dfd5fd7128e2e09f2.tar.bz2
[PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()
Add ->retrigger() irq op to consolidate hw_irq_resend() implementations. (Most architectures had it defined to NOP anyway.) NOTE: ia64 needs testing. i386 and x86_64 tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-alpha/hw_irq.h2
-rw-r--r--include/asm-cris/hw_irq.h2
-rw-r--r--include/asm-i386/hw_irq.h10
-rw-r--r--include/asm-ia64/hw_irq.h3
-rw-r--r--include/asm-m32r/hw_irq.h5
-rw-r--r--include/asm-mips/hw_irq.h8
-rw-r--r--include/asm-parisc/hw_irq.h9
-rw-r--r--include/asm-powerpc/hw_irq.h6
-rw-r--r--include/asm-sh/hw_irq.h5
-rw-r--r--include/asm-sh64/hw_irq.h1
-rw-r--r--include/asm-um/hw_irq.h3
-rw-r--r--include/asm-v850/hw_irq.h4
-rw-r--r--include/asm-x86_64/hw_irq.h9
-rw-r--r--include/asm-xtensa/hw_irq.h4
-rw-r--r--include/linux/irq.h2
15 files changed, 10 insertions, 63 deletions
diff --git a/include/asm-alpha/hw_irq.h b/include/asm-alpha/hw_irq.h
index ca9d43b63502..a37db0f95092 100644
--- a/include/asm-alpha/hw_irq.h
+++ b/include/asm-alpha/hw_irq.h
@@ -2,8 +2,6 @@
#define _ALPHA_HW_IRQ_H
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
-
extern volatile unsigned long irq_err_count;
#ifdef CONFIG_ALPHA_GENERIC
diff --git a/include/asm-cris/hw_irq.h b/include/asm-cris/hw_irq.h
index 341536a234e9..298066020af2 100644
--- a/include/asm-cris/hw_irq.h
+++ b/include/asm-cris/hw_irq.h
@@ -1,7 +1,5 @@
#ifndef _ASM_HW_IRQ_H
#define _ASM_HW_IRQ_H
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
-
#endif
diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h
index a4c0a5a9ffd8..87e5a351d881 100644
--- a/include/asm-i386/hw_irq.h
+++ b/include/asm-i386/hw_irq.h
@@ -69,14 +69,4 @@ extern atomic_t irq_mis_count;
#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
-#if defined(CONFIG_X86_IO_APIC)
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
- if (IO_APIC_IRQ(i))
- send_IPI_self(IO_APIC_VECTOR(i));
-}
-#else
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
-#endif
-
#endif /* _ASM_HW_IRQ_H */
diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h
index ea8b8c407ab4..27f9df6b9145 100644
--- a/include/asm-ia64/hw_irq.h
+++ b/include/asm-ia64/hw_irq.h
@@ -97,8 +97,7 @@ extern int reserve_irq_vector (int vector);
extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
extern void register_percpu_irq (ia64_vector vec, struct irqaction *action);
-static inline void
-hw_resend_irq (struct hw_interrupt_type *h, unsigned int vector)
+static inline void ia64_resend_irq(unsigned int vector)
{
platform_send_ipi(smp_processor_id(), vector, IA64_IPI_DM_INT, 0);
}
diff --git a/include/asm-m32r/hw_irq.h b/include/asm-m32r/hw_irq.h
index 8d7e9d0e09e8..7138537cda03 100644
--- a/include/asm-m32r/hw_irq.h
+++ b/include/asm-m32r/hw_irq.h
@@ -1,9 +1,4 @@
#ifndef _ASM_M32R_HW_IRQ_H
#define _ASM_M32R_HW_IRQ_H
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
- /* Nothing to do */
-}
-
#endif /* _ASM_M32R_HW_IRQ_H */
diff --git a/include/asm-mips/hw_irq.h b/include/asm-mips/hw_irq.h
index c854d017c0e5..458d9fdc76bf 100644
--- a/include/asm-mips/hw_irq.h
+++ b/include/asm-mips/hw_irq.h
@@ -19,9 +19,9 @@ extern void init_8259A(int aeoi);
extern atomic_t irq_err_count;
-/* This may not be apropriate for all machines, we'll see ... */
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
-}
+/*
+ * interrupt-retrigger: NOP for now. This may not be apropriate for all
+ * machines, we'll see ...
+ */
#endif /* __ASM_HW_IRQ_H */
diff --git a/include/asm-parisc/hw_irq.h b/include/asm-parisc/hw_irq.h
index 151426e27521..6707f7df3921 100644
--- a/include/asm-parisc/hw_irq.h
+++ b/include/asm-parisc/hw_irq.h
@@ -3,15 +3,6 @@
/*
* linux/include/asm/hw_irq.h
- *
- * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
- *
- * moved some of the old arch/i386/kernel/irq.h to here. VY
- *
- * IRQ/IPI changes taken from work by Thomas Radke
- * <tomsoft@informatik.tu-chemnitz.de>
*/
-extern void hw_resend_irq(struct hw_interrupt_type *, unsigned int);
-
#endif
diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index a27ed3feb315..d40359204aba 100644
--- a/include/asm-powerpc/hw_irq.h
+++ b/include/asm-powerpc/hw_irq.h
@@ -102,11 +102,11 @@ static inline void local_irq_save_ptr(unsigned long *flags)
desc->chip->ack(irq); \
})
-/* Should we handle this via lost interrupts and IPIs or should we don't care like
- * we do now ? --BenH.
+/*
+ * interrupt-retrigger: should we handle this via lost interrupts and IPIs
+ * or should we not care like we do now ? --BenH.
*/
struct hw_interrupt_type;
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HW_IRQ_H */
diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 1d934fb2c581..fed26616967a 100644
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -1,9 +1,4 @@
#ifndef __ASM_SH_HW_IRQ_H
#define __ASM_SH_HW_IRQ_H
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
- /* Nothing to do */
-}
-
#endif /* __ASM_SH_HW_IRQ_H */
diff --git a/include/asm-sh64/hw_irq.h b/include/asm-sh64/hw_irq.h
index ae718d1f2d6c..ebb39089b0ac 100644
--- a/include/asm-sh64/hw_irq.h
+++ b/include/asm-sh64/hw_irq.h
@@ -11,6 +11,5 @@
* Copyright (C) 2000, 2001 Paolo Alberelli
*
*/
-static __inline__ void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) { /* Nothing to do */ }
#endif /* __ASM_SH64_HW_IRQ_H */
diff --git a/include/asm-um/hw_irq.h b/include/asm-um/hw_irq.h
index 4ee38c0b6a64..1cf84cf5f21a 100644
--- a/include/asm-um/hw_irq.h
+++ b/include/asm-um/hw_irq.h
@@ -4,7 +4,4 @@
#include "asm/irq.h"
#include "asm/archparam.h"
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{}
-
#endif
diff --git a/include/asm-v850/hw_irq.h b/include/asm-v850/hw_irq.h
index a8aab4342712..043e94bb6bd8 100644
--- a/include/asm-v850/hw_irq.h
+++ b/include/asm-v850/hw_irq.h
@@ -1,8 +1,4 @@
#ifndef __V850_HW_IRQ_H__
#define __V850_HW_IRQ_H__
-static inline void hw_resend_irq (struct hw_interrupt_type *h, unsigned int i)
-{
-}
-
#endif /* __V850_HW_IRQ_H__ */
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 931877462788..48a4a5364e85 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -127,15 +127,6 @@ __asm__( \
"push $~(" #nr ") ; " \
"jmp common_interrupt");
-#if defined(CONFIG_X86_IO_APIC)
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {
- if (IO_APIC_IRQ(i))
- send_IPI_self(IO_APIC_VECTOR(i));
-}
-#else
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
-#endif
-
#define platform_legacy_irq(irq) ((irq) < 16)
#endif
diff --git a/include/asm-xtensa/hw_irq.h b/include/asm-xtensa/hw_irq.h
index ccf436249eaa..3ddbea759b2b 100644
--- a/include/asm-xtensa/hw_irq.h
+++ b/include/asm-xtensa/hw_irq.h
@@ -11,8 +11,4 @@
#ifndef _XTENSA_HW_IRQ_H
#define _XTENSA_HW_IRQ_H
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
-{
-}
-
#endif
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 519a1cb7c331..e58cfb9c66a3 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -53,6 +53,8 @@ struct hw_interrupt_type {
void (*ack)(unsigned int irq);
void (*end)(unsigned int irq);
void (*set_affinity)(unsigned int irq, cpumask_t dest);
+ int (*retrigger)(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);