From c97beb4710bc673867207d7d729f2ace4ca1f197 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 28 Mar 2007 23:10:29 -0600 Subject: [PATCH] [PATCH] x86_64 irq: Fix comments after changing IRQ0_VECTOR from 0x20 to 0x30 Signed-off-by: Yinghai Lu Signed-off-by: "Eric W. Biederman" Signed-off-by: Linus Torvalds --- arch/x86_64/kernel/i8259.c | 6 +++--- include/asm-x86_64/hw_irq.h | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 21d95b74743..48942668277 100644 --- 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 2e4b7a5ed1c..6153ae5df2e 100644 --- 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 -- 2.32.0.93.g670b81a890