u-boot/include/usb/lin_gadget_compat.h
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

56 lines
1.3 KiB
C

/*
* Copyright (c) 2011 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
* This is a Linux kernel compatibility layer for USB Gadget
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __LIN_COMPAT_H__
#define __LIN_COMPAT_H__
#include <linux/compat.h>
/* common */
#define spin_lock_init(...)
#define spin_lock(...)
#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
#define spin_unlock(...)
#define spin_unlock_irqrestore(lock, flags) do {flags = 0; } while (0)
#define disable_irq(...)
#define enable_irq(...)
#define mutex_init(...)
#define mutex_lock(...)
#define mutex_unlock(...)
#define GFP_KERNEL 0
#define IRQ_HANDLED 1
#define ENOTSUPP 524 /* Operation is not supported */
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) \
DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
#define DECLARE_BITMAP(name, bits) \
unsigned long name[BITS_TO_LONGS(bits)]
#define small_const_nbits(nbits) \
(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
static inline void bitmap_zero(unsigned long *dst, int nbits)
{
if (small_const_nbits(nbits))
*dst = 0UL;
else {
int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
memset(dst, 0, len);
}
}
#define dma_cache_maint(addr, size, mode) cache_flush()
void cache_flush(void);
#endif /* __LIN_COMPAT_H__ */