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Merge branch 'master' of git://git.denx.de/u-boot-socfpga
[people/ms/u-boot.git] / include / linux / compat.h
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1#ifndef _LINUX_COMPAT_H_
2#define _LINUX_COMPAT_H_
3
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4#include <malloc.h>
5#include <linux/types.h>
6#include <linux/err.h>
5219db8a 7#include <linux/kernel.h>
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8
9struct unused {};
10typedef struct unused unused_t;
11
12struct p_current{
13 int pid;
14};
15
16extern struct p_current *current;
17
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18#define ndelay(x) udelay(1)
19
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20#define dev_dbg(dev, fmt, args...) \
21 debug(fmt, ##args)
22#define dev_vdbg(dev, fmt, args...) \
23 debug(fmt, ##args)
24#define dev_info(dev, fmt, args...) \
25 printf(fmt, ##args)
26#define dev_err(dev, fmt, args...) \
27 printf(fmt, ##args)
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28#define dev_warn(dev, fmt, args...) \
29 printf(fmt, ##args)
932394ac 30#define printk printf
0c06db59 31#define printk_once printf
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32
33#define KERN_EMERG
34#define KERN_ALERT
35#define KERN_CRIT
36#define KERN_ERR
37#define KERN_WARNING
38#define KERN_NOTICE
39#define KERN_INFO
40#define KERN_DEBUG
41
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42#define GFP_ATOMIC ((gfp_t) 0)
43#define GFP_KERNEL ((gfp_t) 0)
44#define GFP_NOFS ((gfp_t) 0)
45#define GFP_USER ((gfp_t) 0)
46#define __GFP_NOWARN ((gfp_t) 0)
47#define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */
48
0c06db59 49void *kmalloc(size_t size, int flags);
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50
51static inline void *kzalloc(size_t size, gfp_t flags)
52{
53 return kmalloc(size, flags | __GFP_ZERO);
54}
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55
56static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
57{
58 if (size != 0 && n > SIZE_MAX / size)
59 return NULL;
60 return kmalloc(n * size, flags | __GFP_ZERO);
61}
62
63static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
64{
65 return kmalloc_array(n, size, flags | __GFP_ZERO);
66}
67
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68#define vmalloc(size) kmalloc(size, 0)
69#define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
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70static inline void *vzalloc(unsigned long size)
71{
72 return kzalloc(size, 0);
73}
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74static inline void kfree(const void *block)
75{
76 free((void *)block);
77}
78static inline void vfree(const void *addr)
79{
80 free((void *)addr);
81}
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82
83struct kmem_cache { int sz; };
84
85struct kmem_cache *get_mem(int element_sz);
86#define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
87void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
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88static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
89{
90 free(obj);
91}
92static inline void kmem_cache_destroy(struct kmem_cache *cachep)
93{
94 free(cachep);
95}
cfa460ad 96
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97#define DECLARE_WAITQUEUE(...) do { } while (0)
98#define add_wait_queue(...) do { } while (0)
99#define remove_wait_queue(...) do { } while (0)
100
101#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
932394ac 102
887e2ec9 103#ifndef BUG
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104#define BUG() do { \
105 printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
106} while (0)
107
108#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
887e2ec9 109#endif /* BUG */
932394ac 110
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111#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
112 , __FILE__, __LINE__); }
113
932394ac 114#define PAGE_SIZE 4096
8f2df5d3 115
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116/* drivers/char/random.c */
117#define get_random_bytes(...)
118
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119/* include/linux/leds.h */
120struct led_trigger {};
121
122#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
123enum led_brightness {
124 LED_OFF = 0,
125 LED_HALF = 127,
126 LED_FULL = 255,
127};
128
129static inline void led_trigger_register_simple(const char *name,
130 struct led_trigger **trigger) {}
131static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
132static inline void led_trigger_event(struct led_trigger *trigger,
133 enum led_brightness event) {}
134
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135/* uapi/linux/limits.h */
136#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
137
138/**
139 * The type used for indexing onto a disc or disc partition.
140 *
141 * Linux always considers sectors to be 512 bytes long independently
142 * of the devices real block size.
143 *
144 * blkcnt_t is the type of the inode's block count.
145 */
146#ifdef CONFIG_LBDAF
147typedef u64 sector_t;
148typedef u64 blkcnt_t;
149#else
150typedef unsigned long sector_t;
151typedef unsigned long blkcnt_t;
152#endif
153
154#define ENOTSUPP 524 /* Operation is not supported */
155
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156/* module */
157#define THIS_MODULE 0
158#define try_module_get(...) 1
159#define module_put(...) do { } while (0)
160#define module_init(...)
161#define module_exit(...)
162#define EXPORT_SYMBOL(...)
163#define EXPORT_SYMBOL_GPL(...)
164#define module_param(...)
165#define module_param_call(...)
166#define MODULE_PARM_DESC(...)
167#define MODULE_VERSION(...)
168#define MODULE_DESCRIPTION(...)
169#define MODULE_AUTHOR(...)
170#define MODULE_LICENSE(...)
171#define MODULE_ALIAS(...)
172#define __module_get(...)
173
174/* character device */
175#define MKDEV(...) 0
176#define MAJOR(dev) 0
177#define MINOR(dev) 0
178
179#define alloc_chrdev_region(...) 0
180#define unregister_chrdev_region(...)
181
182#define class_create(...) __builtin_return_address(0)
183#define class_create_file(...) 0
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184#define class_register(...) 0
185#define class_unregister(...)
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186#define class_remove_file(...)
187#define class_destroy(...)
188#define misc_register(...) 0
189#define misc_deregister(...)
190
191#define blocking_notifier_call_chain(...) 0
192
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193#define __initdata
194#define late_initcall(...)
195
196#define dev_set_name(...) do { } while (0)
197#define device_register(...) 0
5219db8a 198#define device_unregister(...)
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199#define volume_sysfs_init(...) 0
200#define volume_sysfs_close(...) do { } while (0)
201
202#define init_waitqueue_head(...) do { } while (0)
203#define wait_event_interruptible(...) 0
204#define wake_up_interruptible(...) do { } while (0)
205#define print_hex_dump(...) do { } while (0)
206#define dump_stack(...) do { } while (0)
207
208#define task_pid_nr(x) 0
209#define set_freezable(...) do { } while (0)
210#define try_to_freeze(...) 0
211#define set_current_state(...) do { } while (0)
212#define kthread_should_stop(...) 0
213#define schedule() do { } while (0)
214
215#define setup_timer(timer, func, data) do {} while (0)
216#define del_timer_sync(timer) do {} while (0)
217#define schedule_work(work) do {} while (0)
218#define INIT_WORK(work, fun) do {} while (0)
219
220struct work_struct {};
221
222unsigned long copy_from_user(void *dest, const void *src,
223 unsigned long count);
224
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225typedef unused_t spinlock_t;
226typedef int wait_queue_head_t;
227
228#define spin_lock_init(lock) do {} while (0)
229#define spin_lock(lock) do {} while (0)
230#define spin_unlock(lock) do {} while (0)
231#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
232#define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
233
234#define DEFINE_MUTEX(...)
235#define mutex_init(...)
236#define mutex_lock(...)
237#define mutex_unlock(...)
238
239#define init_rwsem(...) do { } while (0)
240#define down_read(...) do { } while (0)
241#define down_write(...) do { } while (0)
242#define down_write_trylock(...) 1
243#define up_read(...) do { } while (0)
244#define up_write(...) do { } while (0)
245
246#define cond_resched() do { } while (0)
247#define yield() do { } while (0)
248
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249#define __init
250#define __exit
251#define __devinit
252#define __devinitdata
253#define __devinitconst
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254
255#define kthread_create(...) __builtin_return_address(0)
256#define kthread_stop(...) do { } while (0)
257#define wake_up_process(...) do { } while (0)
258
259struct rw_semaphore { int i; };
260#define down_write(...) do { } while (0)
261#define up_write(...) do { } while (0)
262#define down_read(...) do { } while (0)
263#define up_read(...) do { } while (0)
264struct device {
265 struct device *parent;
266 struct class *class;
267 dev_t devt; /* dev_t, creates the sysfs "dev" */
268 void (*release)(struct device *dev);
269 /* This is used from drivers/usb/musb-new subsystem only */
270 void *driver_data; /* data private to the driver */
271 void *device_data; /* data private to the device */
272};
273struct mutex { int i; };
274struct kernel_param { int i; };
275
276struct cdev {
277 int owner;
278 dev_t dev;
279};
280#define cdev_init(...) do { } while (0)
281#define cdev_add(...) 0
282#define cdev_del(...) do { } while (0)
283
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284#define prandom_u32(...) 0
285
286typedef struct {
287 uid_t val;
288} kuid_t;
289
290typedef struct {
291 gid_t val;
292} kgid_t;
293
294/* from include/linux/types.h */
295
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296/**
297 * struct callback_head - callback structure for use with RCU and task_work
298 * @next: next update requests in a list
299 * @func: actual update function to call after the grace period.
300 */
301struct callback_head {
302 struct callback_head *next;
303 void (*func)(struct callback_head *head);
304};
305#define rcu_head callback_head
306enum writeback_sync_modes {
307 WB_SYNC_NONE, /* Don't wait on anything */
308 WB_SYNC_ALL, /* Wait on every mapping */
309};
310
311/* from include/linux/writeback.h */
312/*
313 * A control structure which tells the writeback code what to do. These are
314 * always on the stack, and hence need no locking. They are always initialised
315 * in a manner such that unspecified fields are set to zero.
316 */
317struct writeback_control {
318 long nr_to_write; /* Write this many pages, and decrement
319 this for each page written */
320 long pages_skipped; /* Pages which were not written */
321
322 /*
323 * For a_ops->writepages(): if start or end are non-zero then this is
324 * a hint that the filesystem need only write out the pages inside that
325 * byterange. The byte at `end' is included in the writeout request.
326 */
327 loff_t range_start;
328 loff_t range_end;
329
330 enum writeback_sync_modes sync_mode;
331
332 unsigned for_kupdate:1; /* A kupdate writeback */
333 unsigned for_background:1; /* A background writeback */
334 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
335 unsigned for_reclaim:1; /* Invoked from the page allocator */
336 unsigned range_cyclic:1; /* range_start is cyclic */
337 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
338};
339
340void *kmemdup(const void *src, size_t len, gfp_t gfp);
341
342typedef int irqreturn_t;
343
344struct timer_list {};
345struct notifier_block {};
346
347typedef unsigned long dmaaddr_t;
348
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349#define pm_runtime_get_sync(dev) do {} while (0)
350#define pm_runtime_put(dev) do {} while (0)
351#define pm_runtime_put_sync(dev) do {} while (0)
352#define pm_runtime_use_autosuspend(dev) do {} while (0)
353#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
354#define pm_runtime_enable(dev) do {} while (0)
355
356#define IRQ_NONE 0
357#define IRQ_HANDLED 1
747a0a5b 358#define IRQ_WAKE_THREAD 2
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359
360#define dev_set_drvdata(dev, data) do {} while (0)
361
362#define enable_irq(...)
363#define disable_irq(...)
364#define disable_irq_wake(irq) do {} while (0)
365#define enable_irq_wake(irq) -EINVAL
366#define free_irq(irq, data) do {} while (0)
367#define request_irq(nr, f, flags, nm, data) 0
368
932394ac 369#endif