1 files changed, 0 insertions, 67 deletions
diff --git a/include/asm-mips/i8259.h b/include/asm-mips/i8259.h
deleted file mode 100644
index 0214abe3f0a..00000000000
--- a/include/asm-mips/i8259.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- *	include/asm-mips/i8259.h
- *
- *	i8259A interrupt definitions.
- *
- *	Copyright (C) 2003  Maciej W. Rozycki
- *	Copyright (C) 2003  Ralf Baechle <ralf@linux-mips.org>
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- */
-#ifndef _ASM_I8259_H
-#define _ASM_I8259_H
-
-#include <linux/compiler.h>
-#include <linux/spinlock.h>
-
-#include <asm/io.h>
-
-extern spinlock_t i8259A_lock;
-
-extern void init_i8259_irqs(void);
-
-/*
- * Do the traditional i8259 interrupt polling thing.  This is for the few
- * cases where no better interrupt acknowledge method is available and we
- * absolutely must touch the i8259.
- */
-static inline int i8259_irq(void)
-{
-	int irq;
-
-	spin_lock(&i8259A_lock);
-
-	/* Perform an interrupt acknowledge cycle on controller 1. */
-	outb(0x0C, 0x20);		/* prepare for poll */
-	irq = inb(0x20) & 7;
-	if (irq == 2) {
-		/*
-		 * Interrupt is cascaded so perform interrupt
-		 * acknowledge on controller 2.
-		 */
-		outb(0x0C, 0xA0);		/* prepare for poll */
-		irq = (inb(0xA0) & 7) + 8;
-	}
-
-	if (unlikely(irq == 7)) {
-		/*
-		 * This may be a spurious interrupt.
-		 *
-		 * Read the interrupt status register (ISR). If the most
-		 * significant bit is not set then there is no valid
-		 * interrupt.
-		 */
-		outb(0x0B, 0x20);		/* ISR register */
-		if(~inb(0x20) & 0x80)
-			irq = -1;
-	}
-
-	spin_unlock(&i8259A_lock);
-
-	return irq;
-}
-
-#endif /* _ASM_I8259_H */