Revision a3902ee98304324f681088203391b5c0353ce977 authored by Jaehoon Chung on 21 March 2017, 12:19:57 UTC, committed by Martin K. Petersen on 28 March 2017, 01:45:41 UTC
There are same conditions for checking whether supporting clkscaling or not. When ufshcd is supporting clkscaling, active_reqs should be decreased by one. [mkp: addressed comment from Bartlomiej] Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
1 parent 223b78e
lcm.c
#include <linux/compiler.h>
#include <linux/gcd.h>
#include <linux/export.h>
#include <linux/lcm.h>
/* Lowest common multiple */
unsigned long lcm(unsigned long a, unsigned long b)
{
if (a && b)
return (a / gcd(a, b)) * b;
else
return 0;
}
EXPORT_SYMBOL_GPL(lcm);
unsigned long lcm_not_zero(unsigned long a, unsigned long b)
{
unsigned long l = lcm(a, b);
if (l)
return l;
return (b ? : a);
}
EXPORT_SYMBOL_GPL(lcm_not_zero);
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