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[PATCH] PCI: cleanup unused variable about msi driver

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In IA64 platform, msi driver does not use irq_vector variable, and in
x86 platform LAST_DEVICE_VECTOR should one before FIRST_SYSTEM_VECTOR,
this patch modify this.

Signed-off-by: bibo, mao <bibo.mao@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
bibo,mao 2006-05-31 18:17:33 +08:00 committed by Greg Kroah-Hartman
parent 99dc804d9b
commit b209a6ee49
3 changed files with 2 additions and 7 deletions
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5
drivers/pci/msi.c
View File

@ -35,7 +35,6 @@ static int nr_msix_devices;
#ifndef CONFIG_X86_IO_APIC
int vector_irq[NR_VECTORS] = { [0 ... NR_VECTORS - 1] = -1};
u8 irq_vector[NR_IRQ_VECTORS];
#endif
static struct msi_ops *msi_ops;
@ -383,10 +382,6 @@ static int msi_init(void)
return status;
}
#ifndef CONFIG_X86_IO_APIC
irq_vector[0] = FIRST_DEVICE_VECTOR;
#endif
if (last_alloc_vector < 0) {
pci_msi_enable = 0;
printk(KERN_WARNING "PCI: No interrupt vectors available for MSI\n");

2
include/asm-i386/msi.h
View File

@ -9,7 +9,7 @@
#include <asm/desc.h>
#include <mach_apic.h>
#define LAST_DEVICE_VECTOR 232
#define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1)
#define MSI_TARGET_CPU_SHIFT 12
extern struct msi_ops msi_apic_ops;

2
include/asm-x86_64/msi.h
View File

@ -10,7 +10,7 @@
#include <asm/mach_apic.h>
#include <asm/smp.h>
#define LAST_DEVICE_VECTOR 232
#define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1)
#define MSI_TARGET_CPU_SHIFT 12
extern struct msi_ops msi_apic_ops;