diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index fdf2e75d7033..b42ed684b945 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -27,8 +27,6 @@
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		0x10000000
 
-struct pci_dev;
-
 /* Values for the `which' argument to sys_pciconfig_iobase syscall.  */
 #define IOBASE_BRIDGE_NUMBER	0
 #define IOBASE_MEMORY		1
@@ -79,21 +77,6 @@ extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
 
 extern void pcibios_resource_survey(void);
 
-extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
-extern int remove_phb_dynamic(struct pci_controller *phb);
-
-extern struct pci_dev *of_create_pci_dev(struct device_node *node,
-					struct pci_bus *bus, int devfn);
-
-extern void of_scan_pci_bridge(struct device_node *node,
-				struct pci_dev *dev);
-
-extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
-extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus);
-
-extern int pci_bus_find_capability(struct pci_bus *bus,
-						unsigned int devfn, int cap);
-
 struct file;
 extern pgprot_t	pci_phys_mem_access_prot(struct file *file,
 					 unsigned long pfn,
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index d1dd6e83d59b..b70bb538f001 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -47,6 +47,8 @@ const struct cpu_ver_key cpu_ver_lookup[] = {
 	{"9.1", 0x1d},
 	{"9.2", 0x1f},
 	{"9.3", 0x20},
+	{"9.4", 0x21},
+	{"9.5", 0x22},
 	{NULL, 0},
 };
 
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index ed7ba8a11822..bf4dec229437 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -154,6 +154,7 @@ dma_direct_sync_sg_for_device(struct device *dev,
 			__dma_sync(sg->dma_address, sg->length, direction);
 }
 
+static
 int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
 			     void *cpu_addr, dma_addr_t handle, size_t size,
 			     struct dma_attrs *attrs)
diff --git a/arch/microblaze/kernel/kgdb.c b/arch/microblaze/kernel/kgdb.c
index 8736af5806ae..6366f69d118e 100644
--- a/arch/microblaze/kernel/kgdb.c
+++ b/arch/microblaze/kernel/kgdb.c
@@ -32,7 +32,7 @@
 #define GDB_RTLBHI	56
 
 /* keep pvr separately because it is unchangeble */
-struct pvr_s pvr;
+static struct pvr_s pvr;
 
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {