[PATCH] ia64: fix misc. sn2 warnings

This patch fixes a few warnings that have cropped up in the sn2 code:
  - hwgfs function prototype mismatch
  - pconn uninitialized in pciio.c
  - printk formatting fixes in pcibr_dvr.c
  - kill volatile qualifier in pcibr_intr.c

arch/ia64/sn/io/hwgfs/ramfs.c

@@ -84,7 +84,7 @@ static int hwgfs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	return hwgfs_mknod(dir, dentry, mode | S_IFDIR, 0);
 }
 
-static int hwgfs_create(struct inode *dir, struct dentry *dentry, int mode)
+static int hwgfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *unused)
 {
 	return hwgfs_mknod(dir, dentry, mode | S_IFREG, 0);
 }

arch/ia64/sn/io/sn2/pcibr/pcibr_dvr.c

@@ -2501,7 +2501,7 @@ pcibr_pcix_rbars_calc(pcibr_soft_t pcibr_soft)
     if (pcibr_soft->bs_pcix_num_funcs) {
 	if (pcibr_soft->bs_pcix_num_funcs > NUM_RBAR) {
 	    printk(KERN_WARNING
-		"%lx: Must oversubscribe Read Buffer Attribute Registers"
+		"%s: Must oversubscribe Read Buffer Attribute Registers"
 		"(RBAR).  Bus has %d RBARs but %d funcs need them.\n",
 		pcibr_soft->bs_name, NUM_RBAR, pcibr_soft->bs_pcix_num_funcs);
 	    percent_allowed = 0;
@@ -2603,7 +2603,7 @@ pcibr_debug(uint32_t type, vertex_hdl_t vhdl, char *format, ...)
 		memset(buffer, 0, 1024);
 		vsnprintf(buffer, 1024, format, ap);
 		va_end(ap);
-		printk("", "%s", buffer);
+		printk("%s", buffer);
 		kfree(buffer);
 	    }
         }

arch/ia64/sn/io/sn2/pcibr/pcibr_intr.c

@@ -101,7 +101,7 @@ sn_dma_flush(unsigned long addr)
 {
 	nasid_t nasid;
 	int wid_num;
-	volatile struct sn_flush_device_list *p;
+	struct sn_flush_device_list *p;
 	int i,j;
 	int bwin;
 	unsigned long flags;

arch/ia64/sn/io/sn2/pciio.c

@@ -822,7 +822,7 @@ pciio_device_info_unregister(vertex_hdl_t connectpt,
 			     pciio_info_t pciio_info)
 {
     char		name[32];
-    vertex_hdl_t	pconn;
+    vertex_hdl_t	pconn = NULL;
 
     if (!pciio_info)
 	return;
@@ -835,7 +835,6 @@ pciio_device_info_unregister(vertex_hdl_t connectpt,
 
     hwgraph_vertex_unref(pconn);
     hwgraph_vertex_destroy(pconn);
-    
 }
 
 /*ARGSUSED */