Merge tag 'mips_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - added support for Huawei B593u-12

 - added support for virt board aligned to QEMU MIPS virt board

 - added support for doing DMA coherence on a per device base

 - reworked handling of RALINK SoCs

 - cleanup for Loongon64 barriers

 - removed deprecated support for MIPS_CMP SMP handling method

 - removed support Sibyte CARMEL and CHRINE boards

 - cleanups and fixes

* tag 'mips_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (59 commits)
  MIPS: uprobes: Restore thread.trap_nr
  MIPS: Don't clear _PAGE_SPECIAL in _PAGE_CHG_MASK
  MIPS: Sink body of check_bugs_early() into its only call site
  MIPS: Mark check_bugs() as __init
  Revert "MIPS: generic: Enable all CPUs supported by virt board in Kconfig"
  MIPS: octeon_switch: Remove duplicated labels
  MIPS: loongson2ef: Add missing break in cs5536_isa
  MIPS: Remove set_swbp() in uprobes.c
  MIPS: Use def_bool y for ARCH_SUPPORTS_UPROBES
  MIPS: fw: Allow firmware to pass a empty env
  MIPS: Remove deprecated CONFIG_MIPS_CMP
  MIPS: lantiq: remove unused function declaration
  MIPS: Drop unused positional parameter in local_irq_{dis,en}able
  MIPS: mm: Remove local_cache_flush_page
  MIPS: Remove no longer used ide.h
  MIPS: mm: Remove unused *cache_page_indexed flush functions
  MIPS: generic: Enable all CPUs supported by virt board in Kconfig
  MIPS: Add board config for virt board
  MIPS: Octeon: Disable CVMSEG by default on other platforms
  MIPS: Loongson: Don't select platform features with CPU
  ...

22 files changed, 44 insertions, 249 deletions

diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 1c4438f3f2ab..067a635d3bc8 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -45,12 +45,12 @@
 #endif
 
 #ifdef CONFIG_CPU_HAS_DIEI
-	.macro	local_irq_enable reg=t0
+	.macro	local_irq_enable
 	ei
 	irq_enable_hazard
 	.endm
 
-	.macro	local_irq_disable reg=t0
+	.macro	local_irq_disable
 	di
 	irq_disable_hazard
 	.endm
diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h
index d72dc6e1cf3c..653f78f3a685 100644
--- a/arch/mips/include/asm/bugs.h
+++ b/arch/mips/include/asm/bugs.h
@@ -24,13 +24,7 @@ extern void check_bugs64_early(void);
 extern void check_bugs32(void);
 extern void check_bugs64(void);
 
-static inline void check_bugs_early(void)
-{
-	if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
-		check_bugs64_early();
-}
-
-static inline void check_bugs(void)
+static inline void __init check_bugs(void)
 {
 	unsigned int cpu = smp_processor_id();
 
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index 29187e12b861..3424a7908c0f 100644
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -16,4 +16,6 @@
 
 #define __read_mostly __section(".data..read_mostly")
 
+extern void cache_noop(void);
+
 #endif /* _ASM_CACHE_H */
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index b3dc9c589442..d8d3f80f9fc0 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -110,7 +110,6 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
 	unsigned long len);
 
 extern void (*flush_icache_all)(void);
-extern void (*local_flush_data_cache_page)(void * addr);
 extern void (*flush_data_cache_page)(unsigned long addr);
 
 /* Run kernel code uncached, useful for cache probing functions. */
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index c0983130a44c..51a1737b03d0 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -118,10 +118,27 @@
 #define cpu_has_3k_cache	__isa_lt_and_opt(1, MIPS_CPU_3K_CACHE)
 #endif
 #ifndef cpu_has_4k_cache
-#define cpu_has_4k_cache	__isa_ge_or_opt(1, MIPS_CPU_4K_CACHE)
+#define cpu_has_4k_cache	__opt(MIPS_CPU_4K_CACHE)
 #endif
 #ifndef cpu_has_octeon_cache
-#define cpu_has_octeon_cache	0
+#define cpu_has_octeon_cache						\
+({									\
+	int __res;							\
+									\
+	switch (current_cpu_type()) {					\
+	case CPU_CAVIUM_OCTEON:						\
+	case CPU_CAVIUM_OCTEON_PLUS:					\
+	case CPU_CAVIUM_OCTEON2:					\
+	case CPU_CAVIUM_OCTEON3:					\
+		__res = 1;						\
+		break;							\
+									\
+	default:							\
+		__res = 0;						\
+	}								\
+									\
+	__res;								\
+})
 #endif
 /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work.  */
 #ifndef cpu_has_fpu
diff --git a/arch/mips/include/asm/ide.h b/arch/mips/include/asm/ide.h
deleted file mode 100644
index bb674c3b0303..000000000000
--- a/arch/mips/include/asm/ide.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * This file contains the MIPS architecture specific IDE code.
- */
-#ifndef __ASM_IDE_H
-#define __ASM_IDE_H
-
-#include <ide.h>
-
-#endif /* __ASM_IDE_H */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index e6d5ccaa309e..cc28d207a061 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -210,7 +210,7 @@ void iounmap(const volatile void __iomem *addr);
 #define ioremap_wc(offset, size)					\
 	ioremap_prot((offset), (size), boot_cpu_data.writecombine)
 
-#if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_CPU_LOONGSON64)
+#if defined(CONFIG_CPU_CAVIUM_OCTEON)
 #define war_io_reorder_wmb()		wmb()
 #else
 #define war_io_reorder_wmb()		barrier()
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
index 3c401f11655e..4bd8c86ec6c3 100644
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
@@ -53,6 +53,7 @@ enum bcm47xx_board {
 	BCM47XX_BOARD_DLINK_DIR130,
 	BCM47XX_BOARD_DLINK_DIR330,
 
+	BCM47XX_BOARD_HUAWEI_B593U_12,
 	BCM47XX_BOARD_HUAWEI_E970,
 
 	BCM47XX_BOARD_LINKSYS_E900V1,
diff --git a/arch/mips/include/asm/mach-generic/ide.h b/arch/mips/include/asm/mach-generic/ide.h
deleted file mode 100644
index 4ae5fbcb15a5..000000000000
--- a/arch/mips/include/asm/mach-generic/ide.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994-1996  Linus Torvalds & authors
- *
- * Copied from i386; many of the especially older MIPS or ISA-based platforms
- * are basically identical.  Using this file probably implies i8259 PIC
- * support in a system but the very least interrupt numbers 0 - 15 need to
- * be put aside for legacy devices.
- */
-#ifndef __ASM_MACH_GENERIC_IDE_H
-#define __ASM_MACH_GENERIC_IDE_H
-
-#ifdef __KERNEL__
-
-#include <linux/pci.h>
-#include <linux/stddef.h>
-#include <asm/processor.h>
-
-/* MIPS port and memory-mapped I/O string operations.  */
-static inline void __ide_flush_prologue(void)
-{
-#ifdef CONFIG_SMP
-	if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
-		preempt_disable();
-#endif
-}
-
-static inline void __ide_flush_epilogue(void)
-{
-#ifdef CONFIG_SMP
-	if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
-		preempt_enable();
-#endif
-}
-
-static inline void __ide_flush_dcache_range(unsigned long addr, unsigned long size)
-{
-	if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc) {
-		unsigned long end = addr + size;
-
-		while (addr < end) {
-			local_flush_data_cache_page((void *)addr);
-			addr += PAGE_SIZE;
-		}
-	}
-}
-
-/*
- * insw() and gang might be called with interrupts disabled, so we can't
- * send IPIs for flushing due to the potencial of deadlocks, see the comment
- * above smp_call_function() in arch/mips/kernel/smp.c.	 We work around the
- * problem by disabling preemption so we know we actually perform the flush
- * on the processor that actually has the lines to be flushed which hopefully
- * is even better for performance anyway.
- */
-static inline void __ide_insw(unsigned long port, void *addr,
-	unsigned int count)
-{
-	__ide_flush_prologue();
-	insw(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 2);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_insl(unsigned long port, void *addr, unsigned int count)
-{
-	__ide_flush_prologue();
-	insl(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 4);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_outsw(unsigned long port, const void *addr,
-	unsigned long count)
-{
-	__ide_flush_prologue();
-	outsw(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 2);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_outsl(unsigned long port, const void *addr,
-	unsigned long count)
-{
-	__ide_flush_prologue();
-	outsl(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 4);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_mm_insw(void __iomem *port, void *addr, u32 count)
-{
-	__ide_flush_prologue();
-	readsw(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 2);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_mm_insl(void __iomem *port, void *addr, u32 count)
-{
-	__ide_flush_prologue();
-	readsl(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 4);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_mm_outsw(void __iomem *port, void *addr, u32 count)
-{
-	__ide_flush_prologue();
-	writesw(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 2);
-	__ide_flush_epilogue();
-}
-
-static inline void __ide_mm_outsl(void __iomem * port, void *addr, u32 count)
-{
-	__ide_flush_prologue();
-	writesl(port, addr, count);
-	__ide_flush_dcache_range((unsigned long)addr, count * 4);
-	__ide_flush_epilogue();
-}
-
-/* ide_insw calls insw, not __ide_insw.	 Why? */
-#undef insw
-#undef insl
-#undef outsw
-#undef outsl
-#define insw(port, addr, count) __ide_insw(port, addr, count)
-#define insl(port, addr, count) __ide_insl(port, addr, count)
-#define outsw(port, addr, count) __ide_outsw(port, addr, count)
-#define outsl(port, addr, count) __ide_outsl(port, addr, count)
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASM_MACH_GENERIC_IDE_H */
diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
index 4790cfa190d6..c2e0acb755cd 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
@@ -94,9 +94,6 @@ extern __iomem void *ltq_cgu_membase;
 #define LTQ_MPS_BASE_ADDR	(KSEG1 + 0x1F107000)
 #define LTQ_MPS_CHIPID		((u32 *)(LTQ_MPS_BASE_ADDR + 0x0344))
 
-/* allow booting xrx200 phys */
-int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr);
-
 /* request a non-gpio and set the PIO config */
 #define PMU_PPE			 BIT(13)
 extern void ltq_pmu_enable(unsigned int module);
diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
index d51dfad8f543..3e37705ea9cf 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -11,7 +11,8 @@
 #ifndef _MT7620_REGS_H_
 #define _MT7620_REGS_H_
 
-#define MT7620_SYSC_BASE		0x10000000
+#define IOMEM(x)			((void __iomem *)(KSEG1ADDR(x)))
+#define MT7620_SYSC_BASE		IOMEM(0x10000000)
 
 #define SYSC_REG_CHIP_NAME0		0x00
 #define SYSC_REG_CHIP_NAME1		0x04
diff --git a/arch/mips/include/asm/mach-ralink/rt288x.h b/arch/mips/include/asm/mach-ralink/rt288x.h
index 5f213534f0f5..66a999cd1d80 100644
--- a/arch/mips/include/asm/mach-ralink/rt288x.h
+++ b/arch/mips/include/asm/mach-ralink/rt288x.h
@@ -11,7 +11,8 @@
 #ifndef _RT288X_REGS_H_
 #define _RT288X_REGS_H_
 
-#define RT2880_SYSC_BASE		0x00300000
+#define IOMEM(x)			((void __iomem *)(KSEG1ADDR(x)))
+#define RT2880_SYSC_BASE		IOMEM(0x00300000)
 
 #define SYSC_REG_CHIP_NAME0		0x00
 #define SYSC_REG_CHIP_NAME1		0x04
diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h
index 4d8e8c8d83ce..ef58f7bff957 100644
--- a/arch/mips/include/asm/mach-ralink/rt305x.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -43,7 +43,8 @@ static inline int soc_is_rt5350(void)
 	return ralink_soc == RT305X_SOC_RT5350;
 }
 
-#define RT305X_SYSC_BASE		0x10000000
+#define IOMEM(x)			((void __iomem *)(KSEG1ADDR(x)))
+#define RT305X_SYSC_BASE		IOMEM(0x10000000)
 
 #define SYSC_REG_CHIP_NAME0		0x00
 #define SYSC_REG_CHIP_NAME1		0x04
diff --git a/arch/mips/include/asm/mach-ralink/rt3883.h b/arch/mips/include/asm/mach-ralink/rt3883.h
index f250de9c055b..ad25d5e8d2dc 100644
--- a/arch/mips/include/asm/mach-ralink/rt3883.h
+++ b/arch/mips/include/asm/mach-ralink/rt3883.h
@@ -10,8 +10,10 @@
 
 #include <linux/bitops.h>
 
+#define IOMEM(x)		((void __iomem *)(KSEG1ADDR(x)))
+
 #define RT3883_SDRAM_BASE	0x00000000
-#define RT3883_SYSC_BASE	0x10000000
+#define RT3883_SYSC_BASE	IOMEM(0x10000000)
 #define RT3883_TIMER_BASE	0x10000100
 #define RT3883_INTC_BASE	0x10000200
 #define RT3883_MEMC_BASE	0x10000300
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 2362842ee2b5..1c576679aa87 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -280,6 +280,7 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 #define __WRITEABLE	(_PAGE_SILENT_WRITE | _PAGE_WRITE | _PAGE_MODIFIED)
 
 #define _PAGE_CHG_MASK	(_PAGE_ACCESSED | _PAGE_MODIFIED |	\
-			 _PAGE_SOFT_DIRTY | _PFN_MASK | _CACHE_MASK)
+			 _PAGE_SOFT_DIRTY | _PFN_MASK |   \
+			 _CACHE_MASK | _PAGE_SPECIAL)
 
 #endif /* _ASM_PGTABLE_BITS_H */
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 3fde1ff72bd1..ae2cd37a38f0 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -202,11 +202,13 @@ struct octeon_cop2_state {
 #define COP2_INIT						\
 	.cp2			= {0,},
 
+#if defined(CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE) && \
+	CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0
 struct octeon_cvmseg_state {
 	unsigned long cvmseg[CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE]
 			    [cpu_dcache_line_size() / sizeof(unsigned long)];
 };
-
+#endif
 #else
 #define COP2_INIT
 #endif
@@ -263,8 +265,11 @@ struct thread_struct {
 	unsigned long trap_nr;
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 	struct octeon_cop2_state cp2 __attribute__ ((__aligned__(128)));
+#if defined(CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE) && \
+	CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0
 	struct octeon_cvmseg_state cvmseg __attribute__ ((__aligned__(128)));
 #endif
+#endif
 	struct mips_abi *abi;
 };
 
diff --git a/arch/mips/include/asm/rtlx.h b/arch/mips/include/asm/rtlx.h
index c1020654876e..a72785b4bbf4 100644
--- a/arch/mips/include/asm/rtlx.h
+++ b/arch/mips/include/asm/rtlx.h
@@ -81,7 +81,6 @@ struct rtlx_channel {
 extern struct rtlx_info {
 	unsigned long id;
 	enum rtlx_state state;
-	int ap_int_pending;	/* Status of 0 or 1 for CONFIG_MIPS_CMP only */
 
 	struct rtlx_channel channel[RTLX_CHANNELS];
 } *rtlx;
diff --git a/arch/mips/include/asm/sibyte/board.h b/arch/mips/include/asm/sibyte/board.h
index 20fe2f16c97e..03463faa4244 100644
--- a/arch/mips/include/asm/sibyte/board.h
+++ b/arch/mips/include/asm/sibyte/board.h
@@ -7,7 +7,7 @@
 #define _SIBYTE_BOARD_H
 
 #if defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_CRHONE) || \
-    defined(CONFIG_SIBYTE_CRHINE) || defined(CONFIG_SIBYTE_LITTLESUR)
+    defined(CONFIG_SIBYTE_LITTLESUR)
 #include <asm/sibyte/swarm.h>
 #endif
 
@@ -15,10 +15,6 @@
 #include <asm/sibyte/sentosa.h>
 #endif
 
-#ifdef CONFIG_SIBYTE_CARMEL
-#include <asm/sibyte/carmel.h>
-#endif
-
 #ifdef CONFIG_SIBYTE_BIGSUR
 #include <asm/sibyte/bigsur.h>
 #endif
diff --git a/arch/mips/include/asm/sibyte/carmel.h b/arch/mips/include/asm/sibyte/carmel.h
deleted file mode 100644
index c6730d7a6392..000000000000
--- a/arch/mips/include/asm/sibyte/carmel.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2002 Broadcom Corporation
- */
-#ifndef __ASM_SIBYTE_CARMEL_H
-#define __ASM_SIBYTE_CARMEL_H
-
-#include <asm/sibyte/sb1250.h>
-#include <asm/sibyte/sb1250_int.h>
-
-#define SIBYTE_BOARD_NAME "Carmel"
-
-#define GPIO_PHY_INTERRUPT	2
-#define GPIO_NONMASKABLE_INT	3
-#define GPIO_CF_INSERTED	6
-#define GPIO_MONTEREY_RESET	7
-#define GPIO_QUADUART_INT	8
-#define GPIO_CF_INT		9
-#define GPIO_FPGA_CCLK		10
-#define GPIO_FPGA_DOUT		11
-#define GPIO_FPGA_DIN		12
-#define GPIO_FPGA_PGM		13
-#define GPIO_FPGA_DONE		14
-#define GPIO_FPGA_INIT		15
-
-#define LEDS_CS			2
-#define LEDS_PHYS		0x100C0000
-#define MLEDS_CS		3
-#define MLEDS_PHYS		0x100A0000
-#define UART_CS			4
-#define UART_PHYS		0x100D0000
-#define ARAVALI_CS		5
-#define ARAVALI_PHYS		0x11000000
-#define IDE_CS			6
-#define IDE_PHYS		0x100B0000
-#define ARAVALI2_CS		7
-#define ARAVALI2_PHYS		0x100E0000
-
-#if defined(CONFIG_SIBYTE_CARMEL)
-#define K_GPIO_GB_IDE	9
-#define K_INT_GB_IDE	(K_INT_GPIO_0 + K_GPIO_GB_IDE)
-#endif
-
-
-#endif /* __ASM_SIBYTE_CARMEL_H */
diff --git a/arch/mips/include/asm/sibyte/swarm.h b/arch/mips/include/asm/sibyte/swarm.h
index 947122f487ed..49ea7a645c15 100644
--- a/arch/mips/include/asm/sibyte/swarm.h
+++ b/arch/mips/include/asm/sibyte/swarm.h
@@ -24,11 +24,6 @@
 #define SIBYTE_HAVE_PCMCIA 0
 #define SIBYTE_HAVE_IDE	   0
 #endif
-#ifdef CONFIG_SIBYTE_CRHINE
-#define SIBYTE_BOARD_NAME "BCM91120C (CRhine)"
-#define SIBYTE_HAVE_PCMCIA 0
-#define SIBYTE_HAVE_IDE	   0
-#endif
 
 /* Generic bus chip selects */
 #define LEDS_CS		3
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h
index 864aea803984..0145bbfb5efb 100644
--- a/arch/mips/include/asm/smp-ops.h
+++ b/arch/mips/include/asm/smp-ops.h
@@ -80,22 +80,6 @@ static inline int register_up_smp_ops(void)
 #endif
 }
 
-static inline int register_cmp_smp_ops(void)
-{
-#ifdef CONFIG_MIPS_CMP
-	extern const struct plat_smp_ops cmp_smp_ops;
-
-	if (!mips_cm_present())
-		return -ENODEV;
-
-	register_smp_ops(&cmp_smp_ops);
-
-	return 0;
-#else
-	return -ENODEV;
-#endif
-}
-
 static inline int register_vsmp_smp_ops(void)
 {
 #ifdef CONFIG_MIPS_MT_SMP
diff --git a/arch/mips/include/asm/vpe.h b/arch/mips/include/asm/vpe.h
index ef7e07829607..61fd4d0aeda4 100644
--- a/arch/mips/include/asm/vpe.h
+++ b/arch/mips/include/asm/vpe.h
@@ -29,12 +29,8 @@
 
 static inline int aprp_cpu_index(void)
 {
-#ifdef CONFIG_MIPS_CMP
-	return setup_max_cpus;
-#else
 	extern int tclimit;
 	return tclimit;
-#endif
 }
 
 enum vpe_state {