diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h
index ef24a7b4ea57858332da5ac11acaf43e59fbb50c..cba6fbed9f438249fde6cd3f346577a77fa7c3e2 100644
--- a/arch/mips/include/asm/octeon/octeon-feature.h
+++ b/arch/mips/include/asm/octeon/octeon-feature.h
@@ -99,6 +99,8 @@ static inline int octeon_has_feature(enum octeon_feature feature)
 		return !cvmx_fuse_read(90);
 
 	case OCTEON_FEATURE_PCIE:
+	case OCTEON_FEATURE_MGMT_PORT:
+	case OCTEON_FEATURE_RAID:
 		return OCTEON_IS_MODEL(OCTEON_CN56XX)
 			|| OCTEON_IS_MODEL(OCTEON_CN52XX);
 
@@ -110,12 +112,6 @@ static inline int octeon_has_feature(enum octeon_feature feature)
 	case OCTEON_FEATURE_TRA:
 		return !(OCTEON_IS_MODEL(OCTEON_CN30XX)
 			 || OCTEON_IS_MODEL(OCTEON_CN50XX));
-	case OCTEON_FEATURE_MGMT_PORT:
-		return OCTEON_IS_MODEL(OCTEON_CN56XX)
-			|| OCTEON_IS_MODEL(OCTEON_CN52XX);
-	case OCTEON_FEATURE_RAID:
-		return OCTEON_IS_MODEL(OCTEON_CN56XX)
-			|| OCTEON_IS_MODEL(OCTEON_CN52XX);
 	case OCTEON_FEATURE_USB:
 		return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
 			 || OCTEON_IS_MODEL(OCTEON_CN58XX));
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 323395081b2a0fc13aa7af745641fe96d6558d6c..1773544e3dbbafeef03018122e7b9a5ac20fffcf 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -746,9 +746,6 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 		__cpu_name[cpu] = "MIPS 4Kc";
 		break;
 	case PRID_IMP_4KEC:
-		c->cputype = CPU_4KEC;
-		__cpu_name[cpu] = "MIPS 4KEc";
-		break;
 	case PRID_IMP_4KECR2:
 		c->cputype = CPU_4KEC;
 		__cpu_name[cpu] = "MIPS 4KEc";
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index 6d2d89f324721115a6577d8726f1f38404d08c9d..2f22fd7fd78445c356d4775c5d18acd14353d322 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -148,7 +148,6 @@ ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
 
 			switch(ieee754_csr.rm) {
 			case IEEE754_RN:
-				return ieee754dp_zero(sn);
 			case IEEE754_RZ:
 				return ieee754dp_zero(sn);
 			case IEEE754_RU:    /* toward +Infinity */
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index 463534045ab60ac68243b1bf5a2b104b77ccad83..a19b72185ab94c4700c069cbba72ba1e4461ab13 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -149,7 +149,6 @@ ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
 
 			switch(ieee754_csr.rm) {
 			case IEEE754_RN:
-				return ieee754sp_zero(sn);
 			case IEEE754_RZ:
 				return ieee754sp_zero(sn);
 			case IEEE754_RU:      /* toward +Infinity */
diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c
index 9cb0c807f564bdc00ac7e0f3f4e6ee43d4c1d730..d248b707eff3c02c00f2b62eca1b8fa0d88782a4 100644
--- a/arch/mips/pci/pci-octeon.c
+++ b/arch/mips/pci/pci-octeon.c
@@ -209,16 +209,14 @@ const char *octeon_get_pci_interrupts(void)
 	case CVMX_BOARD_TYPE_NAO38:
 		/* This is really the NAC38 */
 		return "AAAAADABAAAAAAAAAAAAAAAAAAAAAAAA";
-	case CVMX_BOARD_TYPE_THUNDER:
-		return "";
-	case CVMX_BOARD_TYPE_EBH3000:
-		return "";
 	case CVMX_BOARD_TYPE_EBH3100:
 	case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
 	case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
 		return "AAABAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 	case CVMX_BOARD_TYPE_BBGW_REF:
 		return "AABCD";
+	case CVMX_BOARD_TYPE_THUNDER:
+	case CVMX_BOARD_TYPE_EBH3000:
 	default:
 		return "";
 	}
diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c
index 6a882194e063251fe80a3da2e8969e3d60473a0a..217424231eb6f8ebcb1bcdc25735b848f76a25e6 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -340,10 +340,6 @@ static void __init platform_configure_usb(void)
 
 	switch (asic) {
 	case ASIC_ZEUS:
-		fs_update(0x0000, 0x11, 0x02, 0);
-		bcm1_usb2_ctl = 0x803;
-		break;
-
 	case ASIC_CRONUS:
 	case ASIC_CRONUSLITE:
 		fs_update(0x0000, 0x11, 0x02, 0);
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 5c2bf111ca67ecf7a36230bccd2b19701f36f367..d8b65204d28868561d9cff524bc8853fad824f0a 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -512,10 +512,6 @@ void __init arch_init_irq(void)
 				"level");
 			break;
 
-		case CRIME_GBE0_IRQ ... CRIME_GBE3_IRQ:
-			set_irq_chip_and_handler_name(irq,
-				&crime_edge_interrupt, handle_edge_irq, "edge");
-			break;
 		case CRIME_CPUERR_IRQ:
 		case CRIME_MEMERR_IRQ:
 			set_irq_chip_and_handler_name(irq,
@@ -523,12 +519,9 @@ void __init arch_init_irq(void)
 				"level");
 			break;
 
+		case CRIME_GBE0_IRQ ... CRIME_GBE3_IRQ:
 		case CRIME_RE_EMPTY_E_IRQ ... CRIME_RE_IDLE_E_IRQ:
 		case CRIME_SOFT0_IRQ ... CRIME_SOFT2_IRQ:
-			set_irq_chip_and_handler_name(irq,
-				&crime_edge_interrupt, handle_edge_irq, "edge");
-			break;
-
 		case CRIME_VICE_IRQ:
 			set_irq_chip_and_handler_name(irq,
 				&crime_edge_interrupt, handle_edge_irq, "edge");