x86: pci-dma_64.c: cleanups
This patch contains the following cleanups:
- make the needlessly global iommu_setup() static
- remove the unused EXPORT_SYMBOL(iommu_merge)
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 5552d23..a82473d 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -13,7 +13,6 @@
#include <asm/calgary.h>
int iommu_merge __read_mostly = 0;
-EXPORT_SYMBOL(iommu_merge);
dma_addr_t bad_dma_address __read_mostly;
EXPORT_SYMBOL(bad_dma_address);
@@ -230,7 +229,7 @@
* See <Documentation/x86_64/boot-options.txt> for the iommu kernel parameter
* documentation.
*/
-__init int iommu_setup(char *p)
+static __init int iommu_setup(char *p)
{
iommu_merge = 1;
diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h
index ef54226..3746903 100644
--- a/include/asm-x86/pci_64.h
+++ b/include/asm-x86/pci_64.h
@@ -26,7 +26,6 @@
extern void pci_iommu_alloc(void);
-extern int iommu_setup(char *opt);
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use