From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753156AbbBSMIt (ORCPT ); Thu, 19 Feb 2015 07:08:49 -0500 Received: from mx02.posteo.de ([89.146.194.165]:43060 "EHLO mx02.posteo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752732AbbBSMIs (ORCPT ); Thu, 19 Feb 2015 07:08:48 -0500 From: Martin Kepplinger To: shawn.guo@linaro.org, kernel@pengutronix.de, linux@arm.linux.org.uk Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Kepplinger , Martin Kepplinger Subject: [PATCH] arch: arm [mach-imx] use sign_extend32() for sign_extension Date: Thu, 19 Feb 2015 13:08:09 +0100 Message-Id: <1424347689-2636-2-git-send-email-martink@posteo.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1424347689-2636-1-git-send-email-martink@posteo.de> References: <1424347689-2636-1-git-send-email-martink@posteo.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Martin Kepplinger Signed-off-by: Martin Kepplinger --- arch/arm/mach-imx/clk-pllv2.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/clk-pllv2.c b/arch/arm/mach-imx/clk-pllv2.c index 20889d5..1bbd08c 100644 --- a/arch/arm/mach-imx/clk-pllv2.c +++ b/arch/arm/mach-imx/clk-pllv2.c @@ -5,6 +5,7 @@ #include #include #include +#include #include @@ -88,11 +89,10 @@ static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate, mfi = (mfi <= 5) ? 5 : mfi; mfd = dp_mfd & MXC_PLL_DP_MFD_MASK; mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK; - /* Sign extend to 32-bits */ - if (mfn >= 0x04000000) { - mfn |= 0xFC000000; + + mfn = sign_extend32(mfn, 26); + if (mfn < 0) mfn_abs = -mfn; - } ref_clk = 2 * parent_rate; if (dbl != 0) -- 2.1.4