#undef DEBUG #include <linux/export.h>#include <linux/kernel.h>#include <linux/string.h>#include <linux/ioport.h>#include <linux/etherdevice.h>#include <linux/of_address.h>#include <asm/prom.h> void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,		unsigned long *busno, unsigned long *phys, unsigned long *size){	const u32 *dma_window;	u32 cells;	const unsigned char *prop; 	dma_window = dma_window_prop; 	/* busno is always one cell */	*busno = *(dma_window++); 	prop = of_get_property(dn, "ibm,#dma-address-cells", NULL);	if (!prop)		prop = of_get_property(dn, "#address-cells", NULL); 	cells = prop ? *(u32 *)prop : of_n_addr_cells(dn);	*phys = of_read_number(dma_window, cells); 	dma_window += cells; 	prop = of_get_property(dn, "ibm,#dma-size-cells", NULL);	cells = prop ? *(u32 *)prop : of_n_size_cells(dn);	*size = of_read_number(dma_window, cells);}