mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
ff94bc40af
resync ubi subsystem with linux:
commit 455c6fdbd219161bd09b1165f11699d6d73de11c
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Mar 30 20:40:15 2014 -0700
Linux 3.14
A nice side effect of this, is we introduce UBI Fastmap support
to U-Boot.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Joerg Krause <jkrause@posteo.de>
40 lines
936 B
C
40 lines
936 B
C
/*
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* Copyright (c) 2011 Samsung Electronics
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* Lukasz Majewski <l.majewski@samsung.com>
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*
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* This is a Linux kernel compatibility layer for USB Gadget
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __LIN_COMPAT_H__
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#define __LIN_COMPAT_H__
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#include <linux/compat.h>
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/* common */
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#define ENOTSUPP 524 /* Operation is not supported */
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#define BITS_PER_BYTE 8
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#define BITS_TO_LONGS(nr) \
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DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
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#define DECLARE_BITMAP(name, bits) \
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unsigned long name[BITS_TO_LONGS(bits)]
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#define small_const_nbits(nbits) \
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(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
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static inline void bitmap_zero(unsigned long *dst, int nbits)
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{
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if (small_const_nbits(nbits))
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*dst = 0UL;
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else {
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int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
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memset(dst, 0, len);
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}
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}
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#define dma_cache_maint(addr, size, mode) cache_flush()
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void cache_flush(void);
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#endif /* __LIN_COMPAT_H__ */
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