diff options
Diffstat (limited to 'arch/mips/kernel/i8259.c')
| -rw-r--r-- | arch/mips/kernel/i8259.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index b33ba6cd7f5..9c79703979b 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -28,7 +28,7 @@ * moves to arch independent land */ -static int i8259A_auto_eoi; +static int i8259A_auto_eoi = -1; DEFINE_SPINLOCK(i8259A_lock); /* some platforms call this... */ void mask_and_ack_8259A(unsigned int); @@ -216,7 +216,8 @@ spurious_8259A_irq: static int i8259A_resume(struct sys_device *dev) { - init_8259A(i8259A_auto_eoi); + if (i8259A_auto_eoi >= 0) + init_8259A(i8259A_auto_eoi); return 0; } @@ -226,8 +227,10 @@ static int i8259A_shutdown(struct sys_device *dev) * the kernel initialization code can get it * out of. */ - outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ - outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */ + if (i8259A_auto_eoi >= 0) { + outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ + outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */ + } return 0; } @@ -252,7 +255,7 @@ static int __init i8259A_init_sysfs(void) device_initcall(i8259A_init_sysfs); -void __init init_8259A(int auto_eoi) +void init_8259A(int auto_eoi) { unsigned long flags; |