[PATCH] x86_64 irq: Fix comments after changing IRQ0_VECTOR from 0x20 to 0x30

Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 21d95b7474379243cdbe4156d20a224e36364e11..48942668277291ec8d25e1f01284295cff313bf6 100644 (file)
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -45,7 +45,7 @@
 
 /*
  * ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts:
- * (these are usually mapped to vectors 0x20-0x2f)
+ * (these are usually mapped to vectors 0x30-0x3f)
  */
 
 /*
@@ -299,7 +299,7 @@ void init_8259A(int auto_eoi)
         * outb_p - this has to work on a wide range of PC hardware.
         */
        outb_p(0x11, 0x20);     /* ICW1: select 8259A-1 init */
-       outb_p(IRQ0_VECTOR, 0x21);      /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */
+       outb_p(IRQ0_VECTOR, 0x21);      /* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 */
        outb_p(0x04, 0x21);     /* 8259A-1 (the master) has a slave on IR2 */
        if (auto_eoi)
                outb_p(0x03, 0x21);     /* master does Auto EOI */
@@ -307,7 +307,7 @@ void init_8259A(int auto_eoi)
                outb_p(0x01, 0x21);     /* master expects normal EOI */
 
        outb_p(0x11, 0xA0);     /* ICW1: select 8259A-2 init */
-       outb_p(IRQ8_VECTOR, 0xA1);      /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */
+       outb_p(IRQ8_VECTOR, 0xA1);      /* ICW2: 8259A-2 IR0-7 mapped to 0x38-0x3f */
        outb_p(0x02, 0xA1);     /* 8259A-2 is a slave on master's IR2 */
        outb_p(0x01, 0xA1);     /* (slave's support for AEOI in flat mode
                                    is to be investigated) */

diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 2e4b7a5ed1c401e522a48164c7e9dd410b1608af..6153ae5df2e8ffdd87d8e4bf3261d3648f50f4f9 100644 (file)
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -38,7 +38,7 @@
 #define IRQ_MOVE_CLEANUP_VECTOR        FIRST_EXTERNAL_VECTOR
  
 /*
- * Vectors 0x20-0x2f are used for ISA interrupts.
+ * Vectors 0x30-0x3f are used for ISA interrupts.
  */
 #define IRQ0_VECTOR            FIRST_EXTERNAL_VECTOR + 0x10
 #define IRQ1_VECTOR            IRQ0_VECTOR + 1