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https://xff.cz/git/u-boot/
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7010f5b94f
USB Composite gadget implementation for u-boot. It builds on top of USB UDC drivers. This commit is based on following files from Linux Kernel v2.6.36: ./include/linux/usb/composite.h ./drivers/usb/gadget/composite.c SHA1: d187abb9a83e6c6b6e9f2ca17962bdeafb4bc903 Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
70 lines
2.0 KiB
C
70 lines
2.0 KiB
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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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 spin_lock_init(...)
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#define spin_lock(...)
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#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
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#define spin_unlock(...)
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#define spin_unlock_irqrestore(lock, flags) do {flags = 0; } while (0)
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#define disable_irq(...)
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#define enable_irq(...)
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#define mutex_init(...)
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#define mutex_lock(...)
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#define mutex_unlock(...)
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#define GFP_KERNEL 0
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#define IRQ_HANDLED 1
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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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