x86 gart: rename CONFIG_IOMMU to CONFIG_GART_IOMMU

This patch renames the IOMMU config option to GART_IOMMU because in fact it
means the GART and not general support for an IOMMU on x86.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

6 files changed, 10 insertions, 10 deletions

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 970b2defe7df..fbd77b7dfd7f 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -91,7 +91,7 @@ config DOUBLEFAULT
 
 config IOMMU_DEBUG
         bool "Enable IOMMU debugging"
-        depends on IOMMU && DEBUG_KERNEL
+        depends on GART_IOMMU && DEBUG_KERNEL
         depends on X86_64
         help
           Force the IOMMU to on even when you have less than 4GB of
diff --git a/arch/x86/Kconfig.x86_64 b/arch/x86/Kconfig.x86_64
index acb2949dbebc..60ac22769a40 100644
--- a/arch/x86/Kconfig.x86_64
+++ b/arch/x86/Kconfig.x86_64
@@ -479,7 +479,7 @@ config HPET_EMULATE_RTC
 
 # Mark as embedded because too many people got it wrong.
 # The code disables itself when not needed.
-config IOMMU
+config GART_IOMMU
         bool "GART IOMMU support" if EMBEDDED
         default y
         select SWIOTLB
@@ -687,7 +687,7 @@ source kernel/Kconfig.hz
 
 config K8_NB
         def_bool y
-        depends on AGP_AMD64 || IOMMU || (PCI && NUMA)
+        depends on AGP_AMD64 || GART_IOMMU || (PCI && NUMA)
 
 endmenu
 
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index b091c5e35558..38a83f9c966f 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -170,7 +170,7 @@ CONFIG_HOTPLUG_CPU=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_HPET_TIMER=y
 CONFIG_HPET_EMULATE_RTC=y
-CONFIG_IOMMU=y
+CONFIG_GART_IOMMU=y
 # CONFIG_CALGARY_IOMMU is not set
 CONFIG_SWIOTLB=y
 CONFIG_X86_MCE=y
diff --git a/arch/x86/kernel/Makefile_64 b/arch/x86/kernel/Makefile_64
index 466337ae9a1e..24671c3838b3 100644
--- a/arch/x86/kernel/Makefile_64
+++ b/arch/x86/kernel/Makefile_64
@@ -25,7 +25,7 @@ obj-$(CONFIG_CRASH_DUMP)	+= crash_dump_64.o
 obj-$(CONFIG_PM)                += suspend_64.o
 obj-$(CONFIG_HIBERNATION)       += suspend_asm_64.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
-obj-$(CONFIG_IOMMU)             += pci-gart_64.o aperture_64.o
+obj-$(CONFIG_GART_IOMMU)        += pci-gart_64.o aperture_64.o
 obj-$(CONFIG_CALGARY_IOMMU)     += pci-calgary_64.o tce_64.o
 obj-$(CONFIG_SWIOTLB)           += pci-swiotlb_64.o
 obj-$(CONFIG_KPROBES)           += kprobes_64.o
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 95e0de9a4e4b..b8265c1ea0d3 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -17,13 +17,13 @@
 #include <asm/io_apic.h>
 #include <asm/apic.h>
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
 #include <asm/gart.h>
 #endif
 
 static void __init via_bugs(void)
 {
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
         if ((end_pfn > MAX_DMA32_PFN ||  force_iommu) &&
             !iommu_aperture_allowed) {
                 printk(KERN_INFO
diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 730339fc00da..66b3dc5b3f45 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -275,7 +275,7 @@ __init int iommu_setup(char *p)
                         swiotlb = 1;
 #endif
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
                 gart_parse_options(p);
 #endif
 
@@ -298,7 +298,7 @@ void __init pci_iommu_alloc(void)
          * The order of these functions is important for
          * fall-back/fail-over reasons
          */
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
         iommu_hole_init();
 #endif
 
@@ -321,7 +321,7 @@ static int __init pci_iommu_init(void)
 
         intel_iommu_init();
 
-#ifdef CONFIG_IOMMU
+#ifdef CONFIG_GART_IOMMU
         gart_iommu_init();
 #endif