48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2013 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _SPL_DELAY_COMPAT_H
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#define _SPL_DELAY_COMPAT_H
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#include <linux/delay.h>
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#include <linux/time.h>
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/* usleep_range() introduced in 2.6.36 */
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#ifndef HAVE_USLEEP_RANGE
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static inline void
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usleep_range(unsigned long min, unsigned long max)
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{
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unsigned int min_ms = min / USEC_PER_MSEC;
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if (min >= MAX_UDELAY_MS)
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msleep(min_ms);
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else
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udelay(min);
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}
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#endif /* HAVE_USLEEP_RANGE */
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#endif /* _SPL_DELAY_COMPAT_H */
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