1 files changed, 0 insertions, 163 deletions

diff --git a/include/asm-mips/irq.h b/include/asm-mips/irq.h
deleted file mode 100644
index a58f0eecc68f..000000000000
--- a/include/asm-mips/irq.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle
- * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle
- */
-#ifndef _ASM_IRQ_H
-#define _ASM_IRQ_H
-
-#include <linux/linkage.h>
-
-#include <asm/mipsmtregs.h>
-
-#include <irq.h>
-
-#ifdef CONFIG_I8259
-static inline int irq_canonicalize(int irq)
-{
-        return ((irq == I8259A_IRQ_BASE + 2) ? I8259A_IRQ_BASE + 9 : irq);
-}
-#else
-#define irq_canonicalize(irq) (irq)     /* Sane hardware, sane code ... */
-#endif
-
-#ifdef CONFIG_MIPS_MT_SMTC
-
-struct irqaction;
-
-extern unsigned long irq_hwmask[];
-extern int setup_irq_smtc(unsigned int irq, struct irqaction * new,
-                          unsigned long hwmask);
-
-static inline void smtc_im_ack_irq(unsigned int irq)
-{
-        if (irq_hwmask[irq] & ST0_IM)
-                set_c0_status(irq_hwmask[irq] & ST0_IM);
-}
-
-#else
-
-static inline void smtc_im_ack_irq(unsigned int irq)
-{
-}
-
-#endif /* CONFIG_MIPS_MT_SMTC */
-
-#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
-#include <linux/cpumask.h>
-
-extern void plat_set_irq_affinity(unsigned int irq, cpumask_t affinity);
-extern void smtc_forward_irq(unsigned int irq);
-
-/*
- * IRQ affinity hook invoked at the beginning of interrupt dispatch
- * if option is enabled.
- *
- * Up through Linux 2.6.22 (at least) cpumask operations are very
- * inefficient on MIPS.  Initial prototypes of SMTC IRQ affinity
- * used a "fast path" per-IRQ-descriptor cache of affinity information
- * to reduce latency.  As there is a project afoot to optimize the
- * cpumask implementations, this version is optimistically assuming
- * that cpumask.h macro overhead is reasonable during interrupt dispatch.
- */
-#define IRQ_AFFINITY_HOOK(irq)                                          \
-do {                                                                    \
-    if (!cpu_isset(smp_processor_id(), irq_desc[irq].affinity)) {       \
-        smtc_forward_irq(irq);                                          \
-        irq_exit();                                                     \
-        return;                                                         \
-    }                                                                   \
-} while (0)
-
-#else /* Not doing SMTC affinity */
-
-#define IRQ_AFFINITY_HOOK(irq) do { } while (0)
-
-#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
-
-#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
-
-/*
- * Clear interrupt mask handling "backstop" if irq_hwmask
- * entry so indicates. This implies that the ack() or end()
- * functions will take over re-enabling the low-level mask.
- * Otherwise it will be done on return from exception.
- */
-#define __DO_IRQ_SMTC_HOOK(irq)                                         \
-do {                                                                    \
-        IRQ_AFFINITY_HOOK(irq);                                         \
-        if (irq_hwmask[irq] & 0x0000ff00)                               \
-                write_c0_tccontext(read_c0_tccontext() &                \
-                                   ~(irq_hwmask[irq] & 0x0000ff00));    \
-} while (0)
-
-#define __NO_AFFINITY_IRQ_SMTC_HOOK(irq)                                \
-do {                                                                    \
-        if (irq_hwmask[irq] & 0x0000ff00)                               \
-                write_c0_tccontext(read_c0_tccontext() &                \
-                                   ~(irq_hwmask[irq] & 0x0000ff00));    \
-} while (0)
-
-#else
-
-#define __DO_IRQ_SMTC_HOOK(irq)                                         \
-do {                                                                    \
-        IRQ_AFFINITY_HOOK(irq);                                         \
-} while (0)
-#define __NO_AFFINITY_IRQ_SMTC_HOOK(irq) do { } while (0)
-
-#endif
-
-/*
- * do_IRQ handles all normal device IRQ's (the special
- * SMP cross-CPU interrupts have their own specific
- * handlers).
- *
- * Ideally there should be away to get this into kernel/irq/handle.c to
- * avoid the overhead of a call for just a tiny function ...
- */
-#define do_IRQ(irq)                                                     \
-do {                                                                    \
-        irq_enter();                                                    \
-        __DO_IRQ_SMTC_HOOK(irq);                                        \
-        generic_handle_irq(irq);                                        \
-        irq_exit();                                                     \
-} while (0)
-
-#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
-/*
- * To avoid inefficient and in some cases pathological re-checking of
- * IRQ affinity, we have this variant that skips the affinity check.
- */
-
-
-#define do_IRQ_no_affinity(irq)                                         \
-do {                                                                    \
-        irq_enter();                                                    \
-        __NO_AFFINITY_IRQ_SMTC_HOOK(irq);                               \
-        generic_handle_irq(irq);                                        \
-        irq_exit();                                                     \
-} while (0)
-
-#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
-
-extern void arch_init_irq(void);
-extern void spurious_interrupt(void);
-
-extern int allocate_irqno(void);
-extern void alloc_legacy_irqno(void);
-extern void free_irqno(unsigned int irq);
-
-/*
- * Before R2 the timer and performance counter interrupts were both fixed to
- * IE7.  Since R2 their number has to be read from the c0_intctl register.
- */
-#define CP0_LEGACY_COMPARE_IRQ 7
-
-extern int cp0_compare_irq;
-extern int cp0_perfcount_irq;
-
-#endif /* _ASM_IRQ_H */