[PATCH 08/28] x86: move definition to pci-dma.c

Glauber Costa
2008-04-08T16:20:50Z

Move dma_ops structure definition to pci-dma.c, where it
belongs.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
arch/x86/kernel/pci-base_32.c | 11 ++++++++---
arch/x86/kernel/pci-dma.c | 3 +++
arch/x86/mm/init_64.c | 3 ---
3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index 837bbe9..b44ea51 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -37,7 +37,7 @@ static int pci32_map_error(dma_addr_t dma_addr)
return 0;
}

-static const struct dma_mapping_ops pci32_dma_ops = {
+const struct dma_mapping_ops pci32_dma_ops = {
.map_single = pci32_map_single,
.unmap_single = NULL,
.map_sg = pci32_dma_map_sg,
@@ -51,5 +51,10 @@ static const struct dma_mapping_ops pci32_dma_ops = {
.mapping_error = pci32_map_error,
};

-const struct dma_mapping_ops *dma_ops = &pci32_dma_ops;
-EXPORT_SYMBOL(dma_ops);
+/* this is temporary */
+int __init no_iommu_init(void)
+{
+ dma_ops = &pci32_dma_ops;
+ return 0;
+}
+fs_initcall(no_iommu_init);
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index f1c24d8..1323cd8 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,5 +1,8 @@
#include <linux/dma-mapping.h>

+const struct dma_mapping_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
int dma_set_mask(struct device *dev, u64 mask)
{
if (!dev->dma_mask || !dma_supported(dev, mask))
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 8c989b8..f06a51e 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -47,9 +47,6 @@
#include <asm/numa.h>
#include <asm/cacheflush.h>

-const struct dma_mapping_ops *dma_ops;
-EXPORT_SYMBOL(dma_ops);
-
static unsigned long dma_reserve __initdata;

DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
--
1.5.0.6