Xen devel - Apr 2005 - [PATCH] Eliminate kernel version checks from i386/kernel/pci-dma.c

Eliminate kernel version checks from i386/kernel/pci-dma.c as a trivial
first pass cleanup towards merging.

Signed-off-by: Chris Wright <chrisw@osdl.org>
---

 linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c |   29 -----------------
 1 files changed, 29 deletions(-)

===== arch/xen/i386/kernel/pci-dma.c 1.20 vs edited ====---
1.20/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c	2005-04-04 08:38:39
-07:00
+++ edited/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c	2005-04-15
11:11:09 -07:00
@@ -14,14 +14,7 @@
 #include <linux/version.h>
 #include <asm/io.h>
 #include <asm-xen/balloon.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 #include <asm/tlbflush.h>
-#else
-#define pte_offset_kernel pte_offset
-#define pud_t pgd_t
-#define pud_offset(d, va) d
-#endif
 
 struct dma_coherent_mem {
 	void		*virt_base;
@@ -85,24 +78,13 @@ xen_contig_memory(unsigned long vstart, 
 	balloon_unlock(flags);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-			   dma_addr_t *dma_handle)
-#else
 void *dma_alloc_coherent(struct device *dev, size_t size,
 			   dma_addr_t *dma_handle, int gfp)
-#endif
 {
 	void *ret;
 	unsigned int order = get_order(size);
 	unsigned long vstart;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-	int gfp = GFP_ATOMIC;
-
-	if (hwdev == NULL || ((u32)hwdev->dma_mask < 0xffffffff))
-		gfp |= GFP_DMA;
-#else
 	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
 
 	/* ignore region specifiers */
@@ -123,7 +105,6 @@ void *dma_alloc_coherent(struct device *
 
 	if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
 		gfp |= GFP_DMA;
-#endif
 
 	vstart = __get_free_pages(gfp, order);
 	ret = (void *)vstart;
@@ -138,14 +119,6 @@ void *dma_alloc_coherent(struct device *
 	return ret;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-void pci_free_consistent(struct pci_dev *hwdev, size_t size,
-			 void *vaddr, dma_addr_t dma_handle)
-{
-	free_pages((unsigned long)vaddr, get_order(size));
-}
-#else
-
 void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
@@ -236,5 +209,3 @@ void *dma_mark_declared_memory_occupied(
 	return mem->virt_base + (pos << PAGE_SHIFT);
 }
 EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
-
-#endif

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