From 5f7b2be7256ae638ddd0bf7aff360bca94a2f27d Mon Sep 17 00:00:00 2001 From: Lubos Boucek Date: Wed, 20 Sep 2017 03:47:35 +0000 Subject: [PATCH] Fix powernow.c --- sys/dev/powermng/powernow/powernow.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/powermng/powernow/powernow.c b/sys/dev/powermng/powernow/powernow.c index 88f0b755fb..1f854e5054 100644 --- a/sys/dev/powermng/powernow/powernow.c +++ b/sys/dev/powermng/powernow/powernow.c @@ -85,7 +85,7 @@ do { \ (status) = rdmsr(MSR_AMDK7_FIDVID_STATUS); \ } while (PN8_STA_PENDING(status)) -#define abs(x) ( (x) < 0 ? -(x) : (x) ) +#define diff(x, y) ((x) > (y) ? (x) - (y) : (y) - (x)) #define POWERNOW_MAX_STATES 16 @@ -281,7 +281,7 @@ k8_powernow_setperf(unsigned int freq) uint32_t vco_fid, vco_cfid; vco_fid = FID_TO_VCO_FID(fid); vco_cfid = FID_TO_VCO_FID(cfid); - while (abs(vco_fid - vco_cfid) > 2) { + while (diff(vco_fid, vco_cfid) > 2) { if (fid > cfid) { if (cfid > 6) val = cfid + 2; -- 2.14.1