mirror of https://gitee.com/openkylin/linux.git
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
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* Driver for the Conexant CX25821 PCIe bridge
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*
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* Copyright (C) 2009 Conexant Systems Inc.
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* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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*
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* GNU General Public License for more details.
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*/
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#ifndef _BITFUNCS_H
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#define _BITFUNCS_H
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#define SetBit(Bit) (1 << Bit)
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static inline u8 getBit(u32 sample, u8 index)
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{
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return (u8) ((sample >> index) & 1);
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}
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static inline u32 clearBitAtPos(u32 value, u8 bit)
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{
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return value & ~(1 << bit);
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}
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static inline u32 setBitAtPos(u32 sample, u8 bit)
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{
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sample |= (1 << bit);
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return sample;
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}
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#endif
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