diff options
Diffstat (limited to 'include/asm-alpha')
-rw-r--r-- | include/asm-alpha/ide.h | 11 | ||||
-rw-r--r-- | include/asm-alpha/semaphore.h | 150 | ||||
-rw-r--r-- | include/asm-alpha/topology.h | 3 |
3 files changed, 2 insertions, 162 deletions
diff --git a/include/asm-alpha/ide.h b/include/asm-alpha/ide.h index b7bf68d0407b..f44129abc02c 100644 --- a/include/asm-alpha/ide.h +++ b/include/asm-alpha/ide.h @@ -13,9 +13,6 @@ #ifdef __KERNEL__ - -#define IDE_ARCH_OBSOLETE_DEFAULTS - static inline int ide_default_irq(unsigned long base) { switch (base) { @@ -40,14 +37,6 @@ static inline unsigned long ide_default_io_base(int index) } } -#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ - -#ifdef CONFIG_PCI -#define ide_init_default_irq(base) (0) -#else -#define ide_init_default_irq(base) ide_default_irq(base) -#endif - #include <asm-generic/ide_iops.h> #endif /* __KERNEL__ */ diff --git a/include/asm-alpha/semaphore.h b/include/asm-alpha/semaphore.h index f1e9278a9fe2..d9b2034ed1d2 100644 --- a/include/asm-alpha/semaphore.h +++ b/include/asm-alpha/semaphore.h @@ -1,149 +1 @@ -#ifndef _ALPHA_SEMAPHORE_H -#define _ALPHA_SEMAPHORE_H - -/* - * SMP- and interrupt-safe semaphores.. - * - * (C) Copyright 1996 Linus Torvalds - * (C) Copyright 1996, 2000 Richard Henderson - */ - -#include <asm/current.h> -#include <asm/system.h> -#include <asm/atomic.h> -#include <linux/compiler.h> -#include <linux/wait.h> -#include <linux/rwsem.h> - -struct semaphore { - atomic_t count; - wait_queue_head_t wait; -}; - -#define __SEMAPHORE_INITIALIZER(name, n) \ -{ \ - .count = ATOMIC_INIT(n), \ - .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \ -} - -#define __DECLARE_SEMAPHORE_GENERIC(name,count) \ - struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) - -#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1) - -static inline void sema_init(struct semaphore *sem, int val) -{ - /* - * Logically, - * *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val); - * except that gcc produces better initializing by parts yet. - */ - - atomic_set(&sem->count, val); - init_waitqueue_head(&sem->wait); -} - -static inline void init_MUTEX (struct semaphore *sem) -{ - sema_init(sem, 1); -} - -static inline void init_MUTEX_LOCKED (struct semaphore *sem) -{ - sema_init(sem, 0); -} - -extern void down(struct semaphore *); -extern void __down_failed(struct semaphore *); -extern int down_interruptible(struct semaphore *); -extern int __down_failed_interruptible(struct semaphore *); -extern int down_trylock(struct semaphore *); -extern void up(struct semaphore *); -extern void __up_wakeup(struct semaphore *); - -/* - * Hidden out of line code is fun, but extremely messy. Rely on newer - * compilers to do a respectable job with this. The contention cases - * are handled out of line in arch/alpha/kernel/semaphore.c. - */ - -static inline void __down(struct semaphore *sem) -{ - long count; - might_sleep(); - count = atomic_dec_return(&sem->count); - if (unlikely(count < 0)) - __down_failed(sem); -} - -static inline int __down_interruptible(struct semaphore *sem) -{ - long count; - might_sleep(); - count = atomic_dec_return(&sem->count); - if (unlikely(count < 0)) - return __down_failed_interruptible(sem); - return 0; -} - -/* - * down_trylock returns 0 on success, 1 if we failed to get the lock. - */ - -static inline int __down_trylock(struct semaphore *sem) -{ - long ret; - - /* "Equivalent" C: - - do { - ret = ldl_l; - --ret; - if (ret < 0) - break; - ret = stl_c = ret; - } while (ret == 0); - */ - __asm__ __volatile__( - "1: ldl_l %0,%1\n" - " subl %0,1,%0\n" - " blt %0,2f\n" - " stl_c %0,%1\n" - " beq %0,3f\n" - " mb\n" - "2:\n" - ".subsection 2\n" - "3: br 1b\n" - ".previous" - : "=&r" (ret), "=m" (sem->count) - : "m" (sem->count)); - - return ret < 0; -} - -static inline void __up(struct semaphore *sem) -{ - if (unlikely(atomic_inc_return(&sem->count) <= 0)) - __up_wakeup(sem); -} - -#if !defined(CONFIG_DEBUG_SEMAPHORE) -extern inline void down(struct semaphore *sem) -{ - __down(sem); -} -extern inline int down_interruptible(struct semaphore *sem) -{ - return __down_interruptible(sem); -} -extern inline int down_trylock(struct semaphore *sem) -{ - return __down_trylock(sem); -} -extern inline void up(struct semaphore *sem) -{ - __up(sem); -} -#endif - -#endif +#include <linux/semaphore.h> diff --git a/include/asm-alpha/topology.h b/include/asm-alpha/topology.h index 420ccde6b916..149532e162c4 100644 --- a/include/asm-alpha/topology.h +++ b/include/asm-alpha/topology.h @@ -41,8 +41,7 @@ static inline cpumask_t node_to_cpumask(int node) #define pcibus_to_cpumask(bus) (cpu_online_map) -#else /* CONFIG_NUMA */ -# include <asm-generic/topology.h> #endif /* !CONFIG_NUMA */ +# include <asm-generic/topology.h> #endif /* _ASM_ALPHA_TOPOLOGY_H */ |