[IA64] sparse cleanup of TIOCA files

This patch is a sparse compile cleanup of tioca_provider.c, sn_hwperf.h, and
tioca_provider.h.  Each of these files had sparse warnings when
compiled.
Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/sn/pci/tioca_provider.c

@@ -336,7 +336,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 	if (!ct_addr)
 		return 0;
 
-	bus_addr = (dma_addr_t) (ct_addr & 0xffffffffffff);
+	bus_addr = (dma_addr_t) (ct_addr & 0xffffffffffffUL);
 	node_upper = ct_addr >> 48;
 
 	if (node_upper > 64) {
@@ -464,7 +464,7 @@ tioca_dma_mapped(struct pci_dev *pdev, uint64_t paddr, size_t req_size)
  * For mappings created using the direct modes (64 or 48) there are no
  * resources to release.
  */
-void
+static void
 tioca_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
 {
 	int i, entry;
@@ -514,7 +514,7 @@ tioca_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
  * The mapping mode used is based on the devices dma_mask.  As a last resort
  * use the GART mapped mode.
  */
-uint64_t
+static uint64_t
 tioca_dma_map(struct pci_dev *pdev, uint64_t paddr, size_t byte_count)
 {
 	uint64_t mapaddr;
@@ -580,7 +580,7 @@ tioca_error_intr_handler(int irq, void *arg, struct pt_regs *pt)
  * On successful setup, returns the kernel version of tioca_common back to
  * the caller.
  */
-void *
+static void *
 tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft)
 {
 	struct tioca_common *tioca_common;

include/asm-ia64/sn/sn2/sn_hwperf.h

@@ -223,4 +223,6 @@ struct sn_hwperf_ioctl_args {
 #define SN_HWPERF_OP_RECONFIGURE	253
 #define SN_HWPERF_OP_INVAL		254
 
+int sn_topology_open(struct inode *inode, struct file *file);
+int sn_topology_release(struct inode *inode, struct file *file);
 #endif				/* SN_HWPERF_H */

include/asm-ia64/sn/tioca_provider.h

@@ -201,6 +201,7 @@ tioca_tlbflush(struct tioca_kernel *tioca_kernel)
 }
 
 extern uint32_t	tioca_gart_found;
+extern struct list_head tioca_list;
 extern int tioca_init_provider(void);
 extern void tioca_fastwrite_enable(struct tioca_kernel *tioca_kern);
 #endif /* _ASM_IA64_SN_TIO_CA_AGP_PROVIDER_H */