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authorChristoph Hellwig <hch@lst.de>2019-11-13 08:18:34 +0100
committerThomas Gleixner <tglx@linutronix.de>2019-11-15 10:36:59 +0100
commit90dc392fc445ee2fc17c2617e306774b269386ac (patch)
tree5256af5e96abc028f818ca3f47184ad0a32aed3c /arch/x86/kernel/pci-dma.c
parent44eb5a7e5dc6f23d04c05c15f91bc279e0dc700d (diff)
downloadblackbird-op-linux-90dc392fc445ee2fc17c2617e306774b269386ac.tar.gz
blackbird-op-linux-90dc392fc445ee2fc17c2617e306774b269386ac.zip
x86: Remove the calgary IOMMU driver
The calgary IOMMU was only used on high-end IBM systems in the early x86_64 age and has no known users left. Remove it to avoid having to touch it for pending changes to the DMA API. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191113071836.21041-2-hch@lst.de
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
-rw-r--r--arch/x86/kernel/pci-dma.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index fa4352dce491..57de2ebff7e2 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -12,7 +12,6 @@
#include <asm/dma.h>
#include <asm/iommu.h>
#include <asm/gart.h>
-#include <asm/calgary.h>
#include <asm/x86_init.h>
#include <asm/iommu_table.h>
@@ -112,11 +111,6 @@ static __init int iommu_setup(char *p)
gart_parse_options(p);
-#ifdef CONFIG_CALGARY_IOMMU
- if (!strncmp(p, "calgary", 7))
- use_calgary = 1;
-#endif /* CONFIG_CALGARY_IOMMU */
-
p += strcspn(p, ",");
if (*p == ',')
++p;
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