ACPI: remove unused return values from Bus Check & Device Check handling
[linux-2.6/linux-acpi-2.6.git] / include / acpi / platform / aclinux.h
blob6d49b2a498c4d5c92ae49d974be3b6a693b9bfae
1 /******************************************************************************
3 * Name: aclinux.h - OS specific defines, etc.
5 *****************************************************************************/
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44 #ifndef __ACLINUX_H__
45 #define __ACLINUX_H__
47 #define ACPI_USE_SYSTEM_CLIBRARY
48 #define ACPI_USE_DO_WHILE_0
49 #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
51 #ifdef __KERNEL__
53 #include <linux/string.h>
54 #include <linux/kernel.h>
55 #include <linux/module.h>
56 #include <linux/ctype.h>
57 #include <linux/sched.h>
58 #include <asm/system.h>
59 #include <asm/atomic.h>
60 #include <asm/div64.h>
61 #include <asm/acpi.h>
62 #include <linux/slab.h>
63 #include <linux/spinlock_types.h>
64 #include <asm/current.h>
66 /* Host-dependent types and defines */
68 #define ACPI_MACHINE_WIDTH BITS_PER_LONG
69 #define acpi_cache_t struct kmem_cache
70 #define acpi_spinlock spinlock_t *
71 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
72 #define strtoul simple_strtoul
74 #else /* !__KERNEL__ */
76 #include <stdarg.h>
77 #include <string.h>
78 #include <stdlib.h>
79 #include <ctype.h>
80 #include <unistd.h>
82 #if defined(__ia64__) || defined(__x86_64__)
83 #define ACPI_MACHINE_WIDTH 64
84 #define COMPILER_DEPENDENT_INT64 long
85 #define COMPILER_DEPENDENT_UINT64 unsigned long
86 #else
87 #define ACPI_MACHINE_WIDTH 32
88 #define COMPILER_DEPENDENT_INT64 long long
89 #define COMPILER_DEPENDENT_UINT64 unsigned long long
90 #define ACPI_USE_NATIVE_DIVIDE
91 #endif
93 #ifndef __cdecl
94 #define __cdecl
95 #endif
97 #define ACPI_FLUSH_CPU_CACHE()
98 #endif /* __KERNEL__ */
100 /* Linux uses GCC */
102 #include "acgcc.h"
104 #define acpi_cpu_flags unsigned long
106 #define acpi_thread_id struct task_struct *
108 static inline acpi_thread_id acpi_os_get_thread_id(void)
110 return current;
114 * The irqs_disabled() check is for resume from RAM.
115 * Interrupts are off during resume, just like they are for boot.
116 * However, boot has (system_state != SYSTEM_RUNNING)
117 * to quiet __might_sleep() in kmalloc() and resume does not.
119 #include <acpi/actypes.h>
120 static inline void *acpi_os_allocate(acpi_size size)
122 return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
124 static inline void *acpi_os_allocate_zeroed(acpi_size size)
126 return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
129 static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
131 return kmem_cache_zalloc(cache,
132 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
135 #define ACPI_ALLOCATE(a) acpi_os_allocate(a)
136 #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
137 #define ACPI_FREE(a) kfree(a)
140 * We need to show where it is safe to preempt execution of ACPICA
142 #define ACPI_PREEMPTION_POINT() \
143 do { \
144 if (!irqs_disabled()) \
145 cond_resched(); \
146 } while (0)
148 #endif /* __ACLINUX_H__ */