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-rw-r--r--arch/i386/kernel/i8259.c6
-rw-r--r--arch/x86_64/kernel/i8259.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index d4756d154f47..ea5f4e7958d8 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -45,6 +45,8 @@ static void end_8259A_irq (unsigned int irq)
45 45
46#define shutdown_8259A_irq disable_8259A_irq 46#define shutdown_8259A_irq disable_8259A_irq
47 47
48static int i8259A_auto_eoi;
49
48static void mask_and_ack_8259A(unsigned int); 50static void mask_and_ack_8259A(unsigned int);
49 51
50unsigned int startup_8259A_irq(unsigned int irq) 52unsigned int startup_8259A_irq(unsigned int irq)
@@ -253,7 +255,7 @@ static void save_ELCR(char *trigger)
253 255
254static int i8259A_resume(struct sys_device *dev) 256static int i8259A_resume(struct sys_device *dev)
255{ 257{
256 init_8259A(0); 258 init_8259A(i8259A_auto_eoi);
257 restore_ELCR(irq_trigger); 259 restore_ELCR(irq_trigger);
258 return 0; 260 return 0;
259} 261}
@@ -301,6 +303,8 @@ void init_8259A(int auto_eoi)
301{ 303{
302 unsigned long flags; 304 unsigned long flags;
303 305
306 i8259A_auto_eoi = auto_eoi;
307
304 spin_lock_irqsave(&i8259A_lock, flags); 308 spin_lock_irqsave(&i8259A_lock, flags);
305 309
306 outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ 310 outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index d2f5acde5749..2dd51f364ea2 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -123,6 +123,8 @@ void (*interrupt[NR_IRQS])(void) = {
123 123
124DEFINE_SPINLOCK(i8259A_lock); 124DEFINE_SPINLOCK(i8259A_lock);
125 125
126static int i8259A_auto_eoi;
127
126static void end_8259A_irq (unsigned int irq) 128static void end_8259A_irq (unsigned int irq)
127{ 129{
128 if (irq > 256) { 130 if (irq > 256) {
@@ -336,6 +338,8 @@ void init_8259A(int auto_eoi)
336{ 338{
337 unsigned long flags; 339 unsigned long flags;
338 340
341 i8259A_auto_eoi = auto_eoi;
342
339 spin_lock_irqsave(&i8259A_lock, flags); 343 spin_lock_irqsave(&i8259A_lock, flags);
340 344
341 outb(0xff, 0x21); /* mask all of 8259A-1 */ 345 outb(0xff, 0x21); /* mask all of 8259A-1 */
@@ -394,7 +398,7 @@ static void save_ELCR(char *trigger)
394 398
395static int i8259A_resume(struct sys_device *dev) 399static int i8259A_resume(struct sys_device *dev)
396{ 400{
397 init_8259A(0); 401 init_8259A(i8259A_auto_eoi);
398 restore_ELCR(irq_trigger); 402 restore_ELCR(irq_trigger);
399 return 0; 403 return 0;
400} 404}