From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932153AbaEHT5r (ORCPT ); Thu, 8 May 2014 15:57:47 -0400 Received: from mail-pd0-f175.google.com ([209.85.192.175]:63120 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932128AbaEHT5o (ORCPT ); Thu, 8 May 2014 15:57:44 -0400 X-Google-Original-From: dirk.j.brandewie@intel.com From: dirk.brandewie@gmail.com To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: rjw@rjwysocki.net, dirk.brandewie@gmail.com, Dirk Brandewie Subject: [PATCH 3/5] intel_pstate: Fix fixed point rounding macro Date: Thu, 8 May 2014 12:57:25 -0700 Message-Id: <1399579047-5792-4-git-send-email-dirk.j.brandewie@intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1399579047-5792-1-git-send-email-dirk.j.brandewie@intel.com> References: <1399579047-5792-1-git-send-email-dirk.j.brandewie@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dirk Brandewie Change the FP_ROUNDUP macro to add 0.5 in fixed point representation instead of 1.0 Signed-off-by: Dirk Brandewie --- drivers/cpufreq/intel_pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index eab8ccf..bb20881 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -43,7 +43,7 @@ #define FRAC_BITS 6 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS) #define fp_toint(X) ((X) >> FRAC_BITS) -#define FP_ROUNDUP(X) ((X) += 1 << FRAC_BITS) +#define FP_ROUNDUP(X) ((X) += 1 << (FRAC_BITS-1)) static inline int32_t mul_fp(int32_t x, int32_t y) { -- 1.9.0