[MIPS] Allow hardwiring of the CPU type to a single type for optimization.

This saves a few k on systems which only ever ship with a single CPU type.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

20 files changed, 89 insertions, 86 deletions

diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c
index 6d55e8aab66..6a17c9b508e 100644
--- a/arch/mips/dec/ecc-berr.c
+++ b/arch/mips/dec/ecc-berr.c
@@ -263,7 +263,7 @@ static inline void dec_kn03_be_init(void)
 	 */
 	*mcr = (*mcr & ~(KN03_MCR_DIAGCHK | KN03_MCR_DIAGGEN)) |
 	       KN03_MCR_CORRECT;
-	if (current_cpu_data.cputype == CPU_R4400SC)
+	if (current_cpu_type() == CPU_R4400SC)
 		*mbcs |= KN4K_MB_CSR_EE;
 	fast_iob();
 }
diff --git a/arch/mips/dec/kn02xa-berr.c b/arch/mips/dec/kn02xa-berr.c
index 7a053aadcd3..5f04545c360 100644
--- a/arch/mips/dec/kn02xa-berr.c
+++ b/arch/mips/dec/kn02xa-berr.c
@@ -132,7 +132,7 @@ void __init dec_kn02xa_be_init(void)
 	volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR);
 
         /* For KN04 we need to make sure EE (?) is enabled in the MB.  */
-        if (current_cpu_data.cputype == CPU_R4000SC)
+        if (current_cpu_type() == CPU_R4000SC)
 		*mbcs |= KN4K_MB_CSR_EE;
 	fast_iob();
 
diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c
index 808c182fd3f..93f1239af52 100644
--- a/arch/mips/dec/prom/init.c
+++ b/arch/mips/dec/prom/init.c
@@ -108,8 +108,8 @@ void __init prom_init(void)
 
 	/* Were we compiled with the right CPU option? */
 #if defined(CONFIG_CPU_R3000)
-	if ((current_cpu_data.cputype == CPU_R4000SC) ||
-	    (current_cpu_data.cputype == CPU_R4400SC)) {
+	if ((current_cpu_type() == CPU_R4000SC) ||
+	    (current_cpu_type() == CPU_R4400SC)) {
 		static char r4k_msg[] __initdata =
 			"Please recompile with \"CONFIG_CPU_R4x00 = y\".\n";
 		printk(cpu_msg);
@@ -119,8 +119,8 @@ void __init prom_init(void)
 #endif
 
 #if defined(CONFIG_CPU_R4X00)
-	if ((current_cpu_data.cputype == CPU_R3000) ||
-	    (current_cpu_data.cputype == CPU_R3000A)) {
+	if ((current_cpu_type() == CPU_R3000) ||
+	    (current_cpu_type() == CPU_R3000A)) {
 		static char r3k_msg[] __initdata =
 			"Please recompile with \"CONFIG_CPU_R3000 = y\".\n";
 		printk(cpu_msg);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d96f8218a91..ac762d8d802 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -954,7 +954,7 @@ asmlinkage void do_reserved(struct pt_regs *regs)
  */
 static inline void parity_protection_init(void)
 {
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_24K:
 	case CPU_34K:
 	case CPU_5KC:
@@ -1549,8 +1549,8 @@ void __init trap_init(void)
 	set_except_vector(12, handle_ov);
 	set_except_vector(13, handle_tr);
 
-	if (current_cpu_data.cputype == CPU_R6000 ||
-	    current_cpu_data.cputype == CPU_R6000A) {
+	if (current_cpu_type() == CPU_R6000 ||
+	    current_cpu_type() == CPU_R6000A) {
 		/*
 		 * The R6000 is the only R-series CPU that features a machine
 		 * check exception (similar to the R4000 cache error) and
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index cf48371e569..8b7b7c57bac 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -328,7 +328,7 @@ static inline void local_r4k___flush_cache_all(void * args)
 	r4k_blast_dcache();
 	r4k_blast_icache();
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_R4000SC:
 	case CPU_R4000MC:
 	case CPU_R4400SC:
@@ -377,10 +377,10 @@ static inline void local_r4k_flush_cache_mm(void * args)
 	 * R4000SC and R4400SC indexed S-cache ops also invalidate primary
 	 * caches, so we can bail out early.
 	 */
-	if (current_cpu_data.cputype == CPU_R4000SC ||
-	    current_cpu_data.cputype == CPU_R4000MC ||
-	    current_cpu_data.cputype == CPU_R4400SC ||
-	    current_cpu_data.cputype == CPU_R4400MC) {
+	if (current_cpu_type() == CPU_R4000SC ||
+	    current_cpu_type() == CPU_R4000MC ||
+	    current_cpu_type() == CPU_R4400SC ||
+	    current_cpu_type() == CPU_R4400MC) {
 		r4k_blast_scache();
 		return;
 	}
@@ -1197,7 +1197,7 @@ static void __init coherency_setup(void)
 	 * this bit and; some wire it to zero, others like Toshiba had the
 	 * silly idea of putting something else there ...
 	 */
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_R4000PC:
 	case CPU_R4000SC:
 	case CPU_R4000MC:
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 560a6de9655..9ea121e8cdc 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -69,7 +69,7 @@ static void tx39h_dma_cache_wback_inv(unsigned long addr, unsigned long size)
 /* TX39H2,TX39H3 */
 static inline void tx39_blast_dcache_page(unsigned long addr)
 {
-	if (current_cpu_data.cputype != CPU_TX3912)
+	if (current_cpu_type() != CPU_TX3912)
 		blast_dcache16_page(addr);
 }
 
@@ -307,7 +307,7 @@ static __init void tx39_probe_cache(void)
 				  TX39_CONF_DCS_SHIFT));
 
 	current_cpu_data.icache.linesz = 16;
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_TX3912:
 		current_cpu_data.icache.ways = 1;
 		current_cpu_data.dcache.ways = 1;
@@ -341,7 +341,7 @@ void __init tx39_cache_init(void)
 
 	tx39_probe_cache();
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_TX3912:
 		/* TX39/H core (writethru direct-map cache) */
 		flush_cache_all	= tx39h_flush_icache_all;
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index f60b3dc0fc6..98b5e5bac02 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -35,8 +35,8 @@ static inline unsigned long dma_addr_to_virt(dma_addr_t dma_addr)
 static inline int cpu_is_noncoherent_r10000(struct device *dev)
 {
 	return !plat_device_is_coherent(dev) &&
-	       (current_cpu_data.cputype == CPU_R10000 ||
-	       current_cpu_data.cputype == CPU_R12000);
+	       (current_cpu_type() == CPU_R10000 ||
+	       current_cpu_type() == CPU_R12000);
 }
 
 void *dma_alloc_noncoherent(struct device *dev, size_t size,
diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c
index c0294541d29..4f770ac885c 100644
--- a/arch/mips/mm/pg-r4k.c
+++ b/arch/mips/mm/pg-r4k.c
@@ -354,7 +354,7 @@ void __init build_clear_page(void)
 	store_offset = 0;
 
 	if (cpu_has_prefetch) {
-		switch (current_cpu_data.cputype) {
+		switch (current_cpu_type()) {
 		case CPU_TX49XX:
 			/* TX49 supports only Pref_Load */
 			pref_offset_clear = 0;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 73250741a0f..c3da4fefbcb 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -827,7 +827,7 @@ static __initdata u32 final_handler[64];
  */
 static __init void __maybe_unused build_tlb_probe_entry(u32 **p)
 {
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	/* Found by experiment: R4600 v2.0 needs this, too.  */
 	case CPU_R4600:
 	case CPU_R5000:
@@ -860,7 +860,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
 	case tlb_indexed: tlbw = i_tlbwi; break;
 	}
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_R4000PC:
 	case CPU_R4000SC:
 	case CPU_R4000MC:
@@ -1158,7 +1158,7 @@ static __init void build_adjust_context(u32 **p, unsigned int ctx)
 	unsigned int shift = 4 - (PTE_T_LOG2 + 1) + PAGE_SHIFT - 12;
 	unsigned int mask = (PTRS_PER_PTE / 2 - 1) << (PTE_T_LOG2 + 1);
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR41XX:
 	case CPU_VR4111:
 	case CPU_VR4121:
@@ -1188,7 +1188,7 @@ static __init void build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr)
 	 * in a different cacheline or a load instruction, probably any
 	 * memory reference, is between them.
 	 */
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_NEVADA:
 		i_LW(p, ptr, 0, ptr);
 		GET_CONTEXT(p, tmp); /* get context reg */
@@ -1872,7 +1872,7 @@ void __init build_tlb_refill_handler(void)
 	 */
 	static int run_once = 0;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_R2000:
 	case CPU_R3000:
 	case CPU_R3000A:
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 4e0a90b3916..aa52aa146ce 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -74,7 +74,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	struct op_mips_model *lmodel = NULL;
 	int res;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_5KC:
 	case CPU_20KC:
 	case CPU_24K:
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 1ea5c9c1010..6383000422a 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -222,7 +222,7 @@ static inline int n_counters(void)
 {
 	int counters;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_R10000:
 		counters = 2;
 		break;
@@ -274,7 +274,7 @@ static int __init mipsxx_init(void)
 #endif
 
 	op_model_mipsxx_ops.num_counters = counters;
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_20KC:
 		op_model_mipsxx_ops.cpu_type = "mips/20K";
 		break;
diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 9885fa40360..240df9e3381 100644
--- a/arch/mips/pci/pci-vr41xx.c
+++ b/arch/mips/pci/pci-vr41xx.c
@@ -228,7 +228,7 @@ static int __init vr41xx_pciu_init(void)
 	else
 		pciu_write(PCIEXACCREG, 0);
 
-	if (current_cpu_data.cputype == CPU_VR4122)
+	if (current_cpu_type() == CPU_VR4122)
 		pciu_write(PCITRDYVREG, TRDYV(setup->wait_time_limit_from_irdy_to_trdy));
 
 	pciu_write(LATTIMEREG, MLTIM(setup->master_latency_timer));
diff --git a/arch/mips/vr41xx/common/bcu.c b/arch/mips/vr41xx/common/bcu.c
index ff272b2e839..d77c330a0d5 100644
--- a/arch/mips/vr41xx/common/bcu.c
+++ b/arch/mips/vr41xx/common/bcu.c
@@ -70,7 +70,7 @@ EXPORT_SYMBOL_GPL(vr41xx_get_tclock_frequency);
 
 static inline uint16_t read_clkspeed(void)
 {
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121: return readw(CLKSPEEDREG_TYPE1);
 	case CPU_VR4122:
@@ -88,7 +88,7 @@ static inline unsigned long calculate_pclock(uint16_t clkspeed)
 {
 	unsigned long pclock = 0;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		pclock = 18432000 * 64;
@@ -138,7 +138,7 @@ static inline unsigned long calculate_vtclock(uint16_t clkspeed, unsigned long p
 {
 	unsigned long vtclock = 0;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 		/* The NEC VR4111 doesn't have the VTClock. */
 		break;
@@ -180,7 +180,7 @@ static inline unsigned long calculate_tclock(uint16_t clkspeed, unsigned long pc
 {
 	unsigned long tclock = 0;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 		if (!(clkspeed & DIV2B))
 			tclock = pclock / 2;
diff --git a/arch/mips/vr41xx/common/cmu.c b/arch/mips/vr41xx/common/cmu.c
index 657c5133c93..ad0e8e3409d 100644
--- a/arch/mips/vr41xx/common/cmu.c
+++ b/arch/mips/vr41xx/common/cmu.c
@@ -95,8 +95,8 @@ void vr41xx_supply_clock(vr41xx_clock_t clock)
 		cmuclkmsk |= MSKFIR | MSKFFIR;
 		break;
 	case DSIU_CLOCK:
-		if (current_cpu_data.cputype == CPU_VR4111 ||
-		    current_cpu_data.cputype == CPU_VR4121)
+		if (current_cpu_type() == CPU_VR4111 ||
+		    current_cpu_type() == CPU_VR4121)
 			cmuclkmsk |= MSKDSIU;
 		else
 			cmuclkmsk |= MSKSIU | MSKDSIU;
@@ -146,8 +146,8 @@ void vr41xx_mask_clock(vr41xx_clock_t clock)
 		cmuclkmsk &= ~MSKPIU;
 		break;
 	case SIU_CLOCK:
-		if (current_cpu_data.cputype == CPU_VR4111 ||
-		    current_cpu_data.cputype == CPU_VR4121) {
+		if (current_cpu_type() == CPU_VR4111 ||
+		    current_cpu_type() == CPU_VR4121) {
 			cmuclkmsk &= ~(MSKSIU | MSKSSIU);
 		} else {
 			if (cmuclkmsk & MSKDSIU)
@@ -166,8 +166,8 @@ void vr41xx_mask_clock(vr41xx_clock_t clock)
 		cmuclkmsk &= ~(MSKFIR | MSKFFIR);
 		break;
 	case DSIU_CLOCK:
-		if (current_cpu_data.cputype == CPU_VR4111 ||
-		    current_cpu_data.cputype == CPU_VR4121) {
+		if (current_cpu_type() == CPU_VR4111 ||
+		    current_cpu_type() == CPU_VR4121) {
 			cmuclkmsk &= ~MSKDSIU;
 		} else {
 			if (cmuclkmsk & MSKSSIU)
@@ -216,7 +216,7 @@ static int __init vr41xx_cmu_init(void)
 {
 	unsigned long start, size;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
         case CPU_VR4111:
         case CPU_VR4121:
 		start = CMU_TYPE1_BASE;
@@ -246,7 +246,7 @@ static int __init vr41xx_cmu_init(void)
 	}
 
 	cmuclkmsk = cmu_read(CMUCLKMSK);
-	if (current_cpu_data.cputype == CPU_VR4133)
+	if (current_cpu_type() == CPU_VR4133)
 		cmuclkmsk2 = cmu_read(CMUCLKMSK2);
 
 	spin_lock_init(&cmu_lock);
diff --git a/arch/mips/vr41xx/common/giu.c b/arch/mips/vr41xx/common/giu.c
index d21f6f2d22a..2b272f1496f 100644
--- a/arch/mips/vr41xx/common/giu.c
+++ b/arch/mips/vr41xx/common/giu.c
@@ -81,7 +81,7 @@ static int __init vr41xx_giu_add(void)
 	if (!pdev)
 		return -ENOMEM;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		pdev->id = GPIO_50PINS_PULLUPDOWN;
diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index adabc6bad44..1899601e586 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -157,8 +157,8 @@ void vr41xx_enable_piuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + PIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MPIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -172,8 +172,8 @@ void vr41xx_disable_piuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + PIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MPIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -187,8 +187,8 @@ void vr41xx_enable_aiuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + AIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MAIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -202,8 +202,8 @@ void vr41xx_disable_aiuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + AIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MAIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -217,8 +217,8 @@ void vr41xx_enable_kiuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + KIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_set(MKIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -232,8 +232,8 @@ void vr41xx_disable_kiuint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + KIU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4111 ||
-	    current_cpu_data.cputype == CPU_VR4121) {
+	if (current_cpu_type() == CPU_VR4111 ||
+	    current_cpu_type() == CPU_VR4121) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu1_clear(MKIUINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -319,9 +319,9 @@ void vr41xx_enable_pciint(void)
 	struct irq_desc *desc = irq_desc + PCI_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MPCIINTREG, PCIINT0);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -335,9 +335,9 @@ void vr41xx_disable_pciint(void)
 	struct irq_desc *desc = irq_desc + PCI_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MPCIINTREG, 0);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -351,9 +351,9 @@ void vr41xx_enable_scuint(void)
 	struct irq_desc *desc = irq_desc + SCU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MSCUINTREG, SCUINT0);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -367,9 +367,9 @@ void vr41xx_disable_scuint(void)
 	struct irq_desc *desc = irq_desc + SCU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MSCUINTREG, 0);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -383,9 +383,9 @@ void vr41xx_enable_csiint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + CSI_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_set(MCSIINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -399,9 +399,9 @@ void vr41xx_disable_csiint(uint16_t mask)
 	struct irq_desc *desc = irq_desc + CSI_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_clear(MCSIINTREG, mask);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -415,9 +415,9 @@ void vr41xx_enable_bcuint(void)
 	struct irq_desc *desc = irq_desc + BCU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MBCUINTREG, BCUINTR);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -431,9 +431,9 @@ void vr41xx_disable_bcuint(void)
 	struct irq_desc *desc = irq_desc + BCU_IRQ;
 	unsigned long flags;
 
-	if (current_cpu_data.cputype == CPU_VR4122 ||
-	    current_cpu_data.cputype == CPU_VR4131 ||
-	    current_cpu_data.cputype == CPU_VR4133) {
+	if (current_cpu_type() == CPU_VR4122 ||
+	    current_cpu_type() == CPU_VR4131 ||
+	    current_cpu_type() == CPU_VR4133) {
 		spin_lock_irqsave(&desc->lock, flags);
 		icu2_write(MBCUINTREG, 0);
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -608,7 +608,7 @@ int vr41xx_set_intassign(unsigned int irq, unsigned char intassign)
 {
 	int retval = -EINVAL;
 
-	if (current_cpu_data.cputype != CPU_VR4133)
+	if (current_cpu_type() != CPU_VR4133)
 		return -EINVAL;
 
 	if (intassign > INTASSIGN_MAX)
@@ -665,7 +665,7 @@ static int __init vr41xx_icu_init(void)
 	unsigned long icu1_start, icu2_start;
 	int i;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		icu1_start = ICU1_TYPE1_BASE;
diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c
index ad5b6db5339..028aaf75eb2 100644
--- a/arch/mips/vr41xx/common/pmu.c
+++ b/arch/mips/vr41xx/common/pmu.c
@@ -62,7 +62,7 @@ static inline void software_reset(void)
 {
 	uint16_t pmucnt2;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4122:
 	case CPU_VR4131:
 	case CPU_VR4133:
@@ -98,7 +98,7 @@ static int __init vr41xx_pmu_init(void)
 {
 	unsigned long start, size;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		start = PMU_TYPE1_BASE;
diff --git a/arch/mips/vr41xx/common/rtc.c b/arch/mips/vr41xx/common/rtc.c
index cce605b3d68..9f26c14edca 100644
--- a/arch/mips/vr41xx/common/rtc.c
+++ b/arch/mips/vr41xx/common/rtc.c
@@ -82,7 +82,7 @@ static int __init vr41xx_rtc_add(void)
 	if (!pdev)
 		return -ENOMEM;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		res = rtc_type1_resource;
diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c
index a1e77414216..b735f45b25f 100644
--- a/arch/mips/vr41xx/common/siu.c
+++ b/arch/mips/vr41xx/common/siu.c
@@ -83,7 +83,7 @@ static int __init vr41xx_siu_add(void)
 	if (!pdev)
 		return -ENOMEM;
 
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_VR4111:
 	case CPU_VR4121:
 		pdev->dev.platform_data = siu_type1_ports;
diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index 81f19aebc0d..f6bd308f047 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -9,11 +9,14 @@
 #ifndef __ASM_CPU_FEATURES_H
 #define __ASM_CPU_FEATURES_H
 
-
 #include <asm/cpu.h>
 #include <asm/cpu-info.h>
 #include <cpu-feature-overrides.h>
 
+#ifndef current_cpu_type
+#define current_cpu_type()      current_cpu_data.cputype
+#endif
+
 /*
  * SMP assumption: Options of CPU 0 are a superset of all processors.
  * This is true for all known MIPS systems.