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@@ -1,35 +0,0 @@
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-/* SPDX-License-Identifier: GPL-2.0+ */
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-/*
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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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-
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-#ifndef __LIN_COMPAT_H__
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-#define __LIN_COMPAT_H__
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-
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-#include <linux/bitops.h>
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-#include <linux/compat.h>
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-
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-/* common */
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-#define DECLARE_BITMAP(name, bits) \
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- unsigned long name[BITS_TO_LONGS(bits)]
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-
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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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-
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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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-
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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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-
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-#endif /* __LIN_COMPAT_H__ */
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