[PATCH] genirq: remove IRQ_DISABLED

Now that disable_irq() defaults to delayed-disable semantics, the IRQ_DISABLED
flag is not needed anymore.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

5 files changed, 6 insertions, 14 deletions

diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index ec01f08f5642..e101846ab7dd 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -159,8 +159,7 @@ void __init init_IRQ(void)
         int irq;
 
         for (irq = 0; irq < NR_IRQS; irq++)
-                irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_DELAYED_DISABLE |
-                        IRQ_NOPROBE;
+                irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
 
 #ifdef CONFIG_SMP
         bad_irq_desc.affinity = CPU_MASK_ALL;
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index f003a4ce0a93..4ccebd454e25 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -1281,11 +1281,9 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
                         trigger == IOAPIC_LEVEL)
                 set_irq_chip_and_handler_name(irq, &ioapic_chip,
                                          handle_fasteoi_irq, "fasteoi");
-        else {
-                irq_desc[irq].status |= IRQ_DELAYED_DISABLE;
+        else
                 set_irq_chip_and_handler_name(irq, &ioapic_chip,
                                          handle_edge_irq, "edge");
-        }
         set_intr_gate(vector, interrupt[irq]);
 }
 
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 39db12890214..5e5c0e4add91 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -305,8 +305,6 @@ static int pmac_pic_host_map(struct irq_host *h, unsigned int virq,
         level = !!(level_mask[hw >> 5] & (1UL << (hw & 0x1f)));
         if (level)
                 desc->status |= IRQ_LEVEL;
-        else
-                desc->status |= IRQ_DELAYED_DISABLE;
         set_irq_chip_and_handler(virq, &pmac_pic, level ?
                                  handle_level_irq : handle_edge_irq);
         return 0;
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 566e64d966c4..950682f35766 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -810,11 +810,9 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
                         trigger == IOAPIC_LEVEL)
                 set_irq_chip_and_handler_name(irq, &ioapic_chip,
                                               handle_fasteoi_irq, "fasteoi");
-        else {
-                irq_desc[irq].status |= IRQ_DELAYED_DISABLE;
+        else
                 set_irq_chip_and_handler_name(irq, &ioapic_chip,
                                               handle_edge_irq, "edge");
-        }
 }
 static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
 {
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 29f715e71bdd..f486c4dee1bf 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -57,10 +57,9 @@ typedef	void fastcall (*irq_flow_handler_t)(unsigned int irq,
 #define IRQ_NOPROBE             0x00020000      /* IRQ is not valid for probing */
 #define IRQ_NOREQUEST           0x00040000      /* IRQ cannot be requested */
 #define IRQ_NOAUTOEN            0x00080000      /* IRQ will not be enabled on request irq */
-#define IRQ_DELAYED_DISABLE     0x00100000      /* IRQ disable (masking) happens delayed. */
-#define IRQ_WAKEUP              0x00200000      /* IRQ triggers system wakeup */
-#define IRQ_MOVE_PENDING        0x00400000      /* need to re-target IRQ destination */
-#define IRQ_NO_BALANCING        0x00800000      /* IRQ is excluded from balancing */
+#define IRQ_WAKEUP              0x00100000      /* IRQ triggers system wakeup */
+#define IRQ_MOVE_PENDING        0x00200000      /* need to re-target IRQ destination */
+#define IRQ_NO_BALANCING        0x00400000      /* IRQ is excluded from balancing */
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)