sparc: Remove generic SBUS probing layer.

The individual SBUS IOMMU arch code now sets the IOMMU information
directly into the OF device objects.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/io-unit.h

@@ -59,6 +59,4 @@ extern __u32 iounit_map_dma_init(struct sbus_bus *, int);
 #define iounit_map_dma_finish(sbus, addr, len) mmu_release_scsi_one(addr, len, sbus)
 extern __u32 iounit_map_dma_page(__u32, void *, struct sbus_bus *);
 
-extern void iounit_init(struct sbus_bus *sbus);
-
 #endif /* !(_SPARC_IO_UNIT_H) */

arch/sparc/include/asm/iommu_32.h

@@ -118,6 +118,4 @@ static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long
 	regs->pageflush = (ba & PAGE_MASK);
 }
 
-extern void iommu_init(struct device_node *dp, struct sbus_bus *sbus);
-
 #endif /* !(_SPARC_IOMMU_H) */

arch/sparc/include/asm/irq_64.h

@@ -56,7 +56,6 @@ extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p,
 				    unsigned long imap_base,
 				    unsigned long iclr_base);
 extern void sun4u_destroy_msi(unsigned int virt_irq);
-extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
 
 extern unsigned char virt_irq_alloc(unsigned int dev_handle,
 				    unsigned int dev_ino);