Revision 9b6f20984c5402af06e13cde64b5fe7c31853d1a authored by Patrik Jakobsson on 18 February 2016, 15:21:11 UTC, committed by Jani Nikula on 22 February 2016, 16:37:25 UTC
The DMC can incorrectly run off and allow DC states on it's own. We don't know the root-cause for this yet but this patch makes it more visible. Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1455808874-22089-2-git-send-email-mika.kuoppala@intel.com (cherry picked from commit 832dba889e27487c3087149f1039acc3feb89003) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
1 parent 53188eb
gcd.c
#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>
/* Greatest common divisor */
unsigned long gcd(unsigned long a, unsigned long b)
{
unsigned long r;
if (a < b)
swap(a, b);
if (!b)
return a;
while ((r = a % b) != 0) {
a = b;
b = r;
}
return b;
}
EXPORT_SYMBOL_GPL(gcd);
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