#include <linux/compiler.h>
#include <linux/types.h>

#include "tsc.h"

u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc)
{
	u64 t, quot, rem;

	t = ns - tc->time_zero;
	quot = t / tc->time_mult;
	rem  = t % tc->time_mult;
	return (quot << tc->time_shift) +
	       (rem << tc->time_shift) / tc->time_mult;
}

u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc)
{
	u64 quot, rem;

	quot = cyc >> tc->time_shift;
	rem  = cyc & (((u64)1 << tc->time_shift) - 1);
	return tc->time_zero + quot * tc->time_mult +
	       ((rem * tc->time_mult) >> tc->time_shift);
}

u64 __weak rdtsc(void)
{
	return 0;
}
ss='logo' rowspan='2'><a href='/cgit.cgi/'><img src='/cgit.png' alt='cgit logo'/></a></td>
<td class='main'><a href='/cgit.cgi/'>index</a> : <a href='/cgit.cgi/linux/net-next.git/'>net-next.git</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='8e9faa15469ed7c7467423db4c62aeed3ff4cae3'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master' selected='selected'>master</option>
<option value='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/sound/pci/bt87x.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/pci/bt87x.c?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/bt87x.c?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/bt87x.c?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/pci/bt87x.c'>
<input type='hidden' name='id' value='8e9faa15469ed7c7467423db4c62aeed3ff4cae3'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/pci?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>pci</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/pci/bt87x.c?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3'>bt87x.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/sound/pci/bt87x.c?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>