X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Fi8259.c;h=c8d45821c788f77467535569816d820d395f8a4b;hp=ea5f4e7958d8f072108576fb33000af089d93ab0;hb=11c302c14d8ddc47504bd3b650bc9e8da7c717b7;hpb=ebdea46fecae40c4d7effcd33f40918a37a1df4b

diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index ea5f4e7958d8..c8d45821c788 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -34,35 +34,15 @@
  * moves to arch independent land
  */
 
-DEFINE_SPINLOCK(i8259A_lock);
-
-static void end_8259A_irq (unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
-							irq_desc[irq].action)
-		enable_8259A_irq(irq);
-}
-
-#define shutdown_8259A_irq	disable_8259A_irq
-
 static int i8259A_auto_eoi;
-
+DEFINE_SPINLOCK(i8259A_lock);
 static void mask_and_ack_8259A(unsigned int);
 
-unsigned int startup_8259A_irq(unsigned int irq)
-{ 
-	enable_8259A_irq(irq);
-	return 0; /* never anything pending */
-}
-
-static struct hw_interrupt_type i8259A_irq_type = {
-	.typename = "XT-PIC",
-	.startup = startup_8259A_irq,
-	.shutdown = shutdown_8259A_irq,
-	.enable = enable_8259A_irq,
-	.disable = disable_8259A_irq,
-	.ack = mask_and_ack_8259A,
-	.end = end_8259A_irq,
+static struct irq_chip i8259A_chip = {
+	.name		= "XT-PIC",
+	.mask		= disable_8259A_irq,
+	.unmask		= enable_8259A_irq,
+	.mask_ack	= mask_and_ack_8259A,
 };
 
 /*
@@ -133,7 +113,8 @@ void make_8259A_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
 	io_apic_irqs &= ~(1<<irq);
-	irq_desc[irq].chip = &i8259A_irq_type;
+	set_irq_chip_and_handler_name(irq, &i8259A_chip, handle_level_irq,
+				      "XT");
 	enable_irq(irq);
 }
 
@@ -327,12 +308,12 @@ void init_8259A(int auto_eoi)
 	outb_p(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */
 	if (auto_eoi)
 		/*
-		 * in AEOI mode we just have to mask the interrupt
+		 * In AEOI mode we just have to mask the interrupt
 		 * when acking.
 		 */
-		i8259A_irq_type.ack = disable_8259A_irq;
+		i8259A_chip.mask_ack = disable_8259A_irq;
 	else
-		i8259A_irq_type.ack = mask_and_ack_8259A;
+		i8259A_chip.mask_ack = mask_and_ack_8259A;
 
 	udelay(100);		/* wait for 8259A to initialize */
 
@@ -355,13 +336,13 @@ void init_8259A(int auto_eoi)
  */
  
 
-static irqreturn_t math_error_irq(int cpl, void *dev_id, struct pt_regs *regs)
+static irqreturn_t math_error_irq(int cpl, void *dev_id)
 {
 	extern void math_error(void __user *);
 	outb(0,0xF0);
 	if (ignore_fpu_irq || !boot_cpu_data.hard_math)
 		return IRQ_NONE;
-	math_error((void __user *)regs->eip);
+	math_error((void __user *)get_irq_regs()->eip);
 	return IRQ_HANDLED;
 }
 
@@ -389,17 +370,21 @@ void __init init_ISA_irqs (void)
 			/*
 			 * 16 old-style INTA-cycle interrupts:
 			 */
-			irq_desc[i].chip = &i8259A_irq_type;
+			set_irq_chip_and_handler_name(i, &i8259A_chip,
+						      handle_level_irq, "XT");
 		} else {
 			/*
 			 * 'high' PCI IRQs filled in on demand
 			 */
-			irq_desc[i].chip = &no_irq_type;
+			irq_desc[i].chip = &no_irq_chip;
 		}
 	}
 }
 
-void __init init_IRQ(void)
+/* Overridden in paravirt.c */
+void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+
+void __init native_init_IRQ(void)
 {
 	int i;