#define virt_to_idmap(x) __virt_to_idmap((unsigned long)(x))
-/*
- * Virtual <-> DMA view memory address translations
- * Again, these are *only* valid on the kernel direct mapped RAM
- * memory. Use of these is *deprecated* (and that doesn't mean
- * use the __ prefixed forms instead.) See dma-mapping.h.
- */
-#ifndef __virt_to_bus
-#define __virt_to_bus __virt_to_phys
-#define __bus_to_virt __phys_to_virt
-#endif
-
/*
* Conversion between a struct page and a physical address.
*