From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756169AbYIQQz0 (ORCPT ); Wed, 17 Sep 2008 12:55:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755111AbYIQQxQ (ORCPT ); Wed, 17 Sep 2008 12:53:16 -0400 Received: from outbound-va3.frontbridge.com ([216.32.180.16]:4277 "EHLO VA3EHSOBE003.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754309AbYIQQxO (ORCPT ); Wed, 17 Sep 2008 12:53:14 -0400 X-BigFish: VPS4(zzzz10d3izzz32i43j65h) X-Spam-TCS-SCL: 4:0 X-WSS-ID: 0K7CMWE-03-U9I-01 From: Joerg Roedel To: linux-kernel@vger.kernel.org CC: iommu@lists.linux-foundation.org, Joerg Roedel , Joerg Roedel Subject: [PATCH 20/23] AMD IOMMU: remove unnecessary cast to u64 in the init code Date: Wed, 17 Sep 2008 18:52:54 +0200 Message-ID: <1221670377-19295-21-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1221670377-19295-1-git-send-email-joerg.roedel@amd.com> References: <1221670377-19295-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 17 Sep 2008 16:52:58.0204 (UTC) FILETIME=[D67FB1C0:01C918E5] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel The ctrl variable is only u32 and readl also returns a 32 bit value. So the cast to u64 is pointless. Remove it with this patch. Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu_init.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index a307cf6..b876499 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -236,7 +236,7 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) { u32 ctrl; - ctrl = (u64)readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); + ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); ctrl &= ~(1 << bit); writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); } -- 1.5.6.4