linux-kernel - [PATCH] timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO

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Message-Id: <200802122156.m1CLufgn013359@tazenda.hos.anvin.org>
Date:	Tue, 12 Feb 2008 13:52:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Eric Piel <E.A.B.Piel@...elft.nl>,
	"Carlos R. Mafra" <crmafra@...il.com>
Subject: [PATCH] timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO_USEC

The USEC_TO_HZ and HZ_TO_USEC constant sets were mislabelled, with
seriously incorrect results.  This among other things manifested
itself as cpufreq not working when a tickless kernel was configured.

Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 kernel/timeconst.pl |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
index 62b1287..4146803 100644
--- a/kernel/timeconst.pl
+++ b/kernel/timeconst.pl
@@ -339,7 +339,7 @@ sub output($@)
 	print "\n";
 
 	foreach $pfx ('HZ_TO_MSEC','MSEC_TO_HZ',
-		      'USEC_TO_HZ','HZ_TO_USEC') {
+		      'HZ_TO_USEC','USEC_TO_HZ') {
 		foreach $bit (32, 64) {
 			foreach $suf ('MUL', 'ADJ', 'SHR') {
 				printf "#define %-23s %s\n",
-- 
1.5.3.8

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