4 files changed, 10 insertions, 8 deletions
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index be9fecca4f91..af866a450125 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -100,7 +100,6 @@ void _enable_dcache(void)
 
 void _disable_dcache(void)
 {
-	if (cpuinfo.use_dcache) {
 #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
 		__asm__ __volatile__ ("					\
 				msrclr	r0, %0;				\
@@ -119,12 +118,10 @@ void _disable_dcache(void)
 				: "i" (MSR_DCE)			\
 				: "memory", "r12");
 #endif
-	}
 }
 
 void _invalidate_dcache(unsigned int addr)
 {
-	if (cpuinfo.use_dcache)
 		__asm__ __volatile__ ("					\
 				wdc	%0, r0"				\
 				:					\
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
index cf7424a6bb87..153f57c57b6d 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
@@ -30,6 +30,13 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
 	int temp; /* for saving temp value */
 	get_pvr(&pvr);
 
+	CI(ver_code, VERSION);
+	if (!ci->ver_code) {
+		printk(KERN_ERR "ERROR: MB has broken PVR regs "
+						"-> use DTS setting\n");
+		return;
+	}
+
 	temp = PVR_USE_BARREL(pvr) | PVR_USE_MSR_INSTR(pvr) |\
 		PVR_USE_PCMP_INSTR(pvr) | PVR_USE_DIV(pvr);
 	if (ci->use_instr != temp)
@@ -60,8 +67,6 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
 
 	CI(mmu, USE_MMU);
 
-	CI(ver_code, VERSION);
-
 	CI(use_icache, USE_ICACHE);
 	CI(icache_tagbits, ICACHE_ADDR_TAG_BITS);
 	CI(icache_write, ICACHE_ALLOW_WR);
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 4a740dfcf6da..a10bea119b94 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -71,7 +71,7 @@ void __init setup_cpuinfo(void)
 			__func__);
 		set_cpuinfo_static(&cpuinfo, cpu);
 		break;
-/* FIXME I found weird behavior with MB 7.00.a/b
+/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
  * please do not use FULL PVR with MMU */
 	case 1:
 		printk(KERN_INFO "%s: Using full CPU PVR support\n",
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 3b6212bdc8dc..4dcfccdbc364 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -115,8 +115,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 			cpuinfo.hw_debug ? "yes" : "no");
 
 	count += seq_printf(m,
-			"PVR-USR1:\t%x\n"
-			"PVR-USR2:\t%x\n",
+			"PVR-USR1:\t%02x\n"
+			"PVR-USR2:\t%08x\n",
 			cpuinfo.pvr_user1,
 			cpuinfo.pvr_user2);