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authorIngo Molnar <mingo@elte.hu>2009-05-11 08:44:27 -0400
committerIngo Molnar <mingo@elte.hu>2009-05-11 08:44:31 -0400
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /drivers/char/mem.c
parent19c1a6f5764d787113fa323ffb18be7991208f82 (diff)
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/mem.c')
-rw-r--r--drivers/char/mem.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 3586b3b3df3f..8f05c38c2f06 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -301,33 +301,7 @@ static inline int private_mapping_ok(struct vm_area_struct *vma)
301} 301}
302#endif 302#endif
303 303
304void __attribute__((weak))
305map_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
306{
307 /* nothing. architectures can override. */
308}
309
310void __attribute__((weak))
311unmap_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
312{
313 /* nothing. architectures can override. */
314}
315
316static void mmap_mem_open(struct vm_area_struct *vma)
317{
318 map_devmem(vma->vm_pgoff, vma->vm_end - vma->vm_start,
319 vma->vm_page_prot);
320}
321
322static void mmap_mem_close(struct vm_area_struct *vma)
323{
324 unmap_devmem(vma->vm_pgoff, vma->vm_end - vma->vm_start,
325 vma->vm_page_prot);
326}
327
328static struct vm_operations_struct mmap_mem_ops = { 304static struct vm_operations_struct mmap_mem_ops = {
329 .open = mmap_mem_open,
330 .close = mmap_mem_close,
331#ifdef CONFIG_HAVE_IOREMAP_PROT 305#ifdef CONFIG_HAVE_IOREMAP_PROT
332 .access = generic_access_phys 306 .access = generic_access_phys
333#endif 307#endif
@@ -362,7 +336,6 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
362 vma->vm_pgoff, 336 vma->vm_pgoff,
363 size, 337 size,
364 vma->vm_page_prot)) { 338 vma->vm_page_prot)) {
365 unmap_devmem(vma->vm_pgoff, size, vma->vm_page_prot);
366 return -EAGAIN; 339 return -EAGAIN;
367 } 340 }
368 return 0; 341 return 0;