linux-kernel - [PATCH 1/3] x86, GART: Remove superfluous AMD64

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Date:	Fri,  3 Sep 2010 18:39:39 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Dave Airlie <airlied@...hat.com>, <hpa@...or.com>, <mingo@...e.hu>,
	<tglx@...utronix.de>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	<akpm@...ux-foundation.org>, <x86@...nel.org>,
	<linux-kernel@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: [PATCH 1/3] x86, GART: Remove superfluous AMD64_GARTEN

From: Borislav Petkov <borislav.petkov@....com>

There is a GARTEN so use that and drop the duplicate.

Signed-off-by: Borislav Petkov <borislav.petkov@....com>
---
 arch/x86/include/asm/gart.h   |    1 -
 arch/x86/kernel/aperture_64.c |    4 ++--
 drivers/char/agp/amd64-agp.c  |    2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
index 4ac5b0f..fba0a72 100644
--- a/arch/x86/include/asm/gart.h
+++ b/arch/x86/include/asm/gart.h
@@ -27,7 +27,6 @@ extern int fix_aperture;
 #define AMD64_GARTAPERTUREBASE	0x94
 #define AMD64_GARTTABLEBASE	0x98
 #define AMD64_GARTCACHECTL	0x9c
-#define AMD64_GARTEN		(1<<0)
 
 #ifdef CONFIG_GART_IOMMU
 extern int gart_iommu_aperture;
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index a2e0caf..6fabd40 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -307,7 +307,7 @@ void __init early_gart_iommu_check(void)
 				continue;
 
 			ctl = read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL);
-			aper_enabled = ctl & AMD64_GARTEN;
+			aper_enabled = ctl & GARTEN;
 			aper_order = (ctl >> 1) & 7;
 			aper_size = (32 * 1024 * 1024) << aper_order;
 			aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff;
@@ -362,7 +362,7 @@ void __init early_gart_iommu_check(void)
 				continue;
 
 			ctl = read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL);
-			ctl &= ~AMD64_GARTEN;
+			ctl &= ~GARTEN;
 			write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl);
 		}
 	}
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 70312da..bfe372b 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -199,7 +199,7 @@ static void amd64_cleanup(void)
 		struct pci_dev *dev = k8_northbridges[i];
 		/* disable gart translation */
 		pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &tmp);
-		tmp &= ~AMD64_GARTEN;
+		tmp &= ~GARTEN;
 		pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, tmp);
 	}
 }
-- 
1.7.1

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