lkml.org 
[lkml]   [2005]   [Nov]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2a/5] Ensure NO_IRQ is appropriately defined on all architectures
Date
Add a default definition of NO_IRQ to <linux/hardirq.h> and move the
definition from <asm/irq.h> to <asm/hardirq.h> for all architectures which
override it.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>

diff --git a/include/asm-arm/hardirq.h b/include/asm-arm/hardirq.h
index 1cbb173..890f1da 100644
--- a/include/asm-arm/hardirq.h
+++ b/include/asm-arm/hardirq.h
@@ -13,6 +13,9 @@ typedef struct {

#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */

+/* Device has no interrupt */
+#define NO_IRQ ((unsigned int)(-1))
+
#if NR_IRQS > 256
#define HARDIRQ_BITS 9
#else
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/hardirq.h b/include/asm-arm26/hardirq.h
index dc28daa..58e9ab5 100644
--- a/include/asm-arm26/hardirq.h
+++ b/include/asm-arm26/hardirq.h
@@ -11,6 +11,9 @@ typedef struct {

#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */

+/* Device has no interrupt */
+#define NO_IRQ ((unsigned int)(-1))
+
#define HARDIRQ_BITS 8

/*
diff --git a/include/asm-arm26/irq.h b/include/asm-arm26/irq.h
index 06bd5a5..dcdfd50 100644
--- a/include/asm-arm26/irq.h
+++ b/include/asm-arm26/irq.h
@@ -13,15 +13,6 @@
#define irq_canonicalize(i) (i)
#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/hardirq.h b/include/asm-frv/hardirq.h
index 5248ca0..7b10618 100644
--- a/include/asm-frv/hardirq.h
+++ b/include/asm-frv/hardirq.h
@@ -22,6 +22,9 @@ typedef struct {

#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */

+/* Device has no interrupt */
+#define NO_IRQ ((unsigned int)(-1))
+
#ifdef CONFIG_SMP
#error SMP not available on FR-V
#endif /* CONFIG_SMP */
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/hardirq.h b/include/asm-parisc/hardirq.h
index ce93133..d269f3e 100644
--- a/include/asm-parisc/hardirq.h
+++ b/include/asm-parisc/hardirq.h
@@ -24,6 +24,9 @@ typedef struct {

#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */

+/* Device has no interrupt */
+#define NO_IRQ ((unsigned int)(-1))
+
void ack_bad_irq(unsigned int irq);

#endif /* _PARISC_HARDIRQ_H */
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/hardirq.h b/include/asm-powerpc/hardirq.h
index 3b3e3b4..9271c40 100644
--- a/include/asm-powerpc/hardirq.h
+++ b/include/asm-powerpc/hardirq.h
@@ -18,6 +18,9 @@ typedef struct {

#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)

+/* Device has no interrupt */
+#define NO_IRQ ((unsigned int)(-1))
+
static inline void ack_bad_irq(int irq)
{
printk(KERN_CRIT "illegal vector %d received!\n", irq);
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..26ef810 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -87,6 +87,15 @@ extern void synchronize_irq(unsigned int
# define synchronize_irq(irq) barrier()
#endif

+/*
+ * This value means "Device has no interrupt". The value 0 has
+ * historically been used, but it's a legal interrupt number on some
+ * architectures. These architectures typically define it to be -1 instead.
+ */
+#ifndef NO_IRQ
+#define NO_IRQ ((unsigned int)0)
+#endif
+
#define nmi_enter() irq_enter()
#define nmi_exit() sub_preempt_count(HARDIRQ_OFFSET)

-
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/
\
 
 \ /
  Last update: 2005-11-22 15:25    [W:0.036 / U:1.348 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site