7 files changed, 29 insertions, 25 deletions

diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index 558e94977942..68f0c5871adc 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,7 +2,6 @@
 # Makefile for the Cobalt micro systems family specific parts of the kernel
 #
 
-obj-y := buttons.o irq.o lcd.o led.o reset.o rtc.o serial.o setup.o time.o
+obj-y := buttons.o irq.o lcd.o led.o mtd.o reset.o rtc.o serial.o setup.o time.o
 
 obj-$(CONFIG_PCI)               += pci.o
-obj-$(CONFIG_MTD_PHYSMAP)       += mtd.o
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 18ae5ddef118..c28a8499aec7 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -113,7 +113,7 @@
 #define _PAGE_PRESENT_SHIFT     0
 #define _PAGE_PRESENT           (1 << _PAGE_PRESENT_SHIFT)
 /* R2 or later cores check for RI/XI support to determine _PAGE_READ */
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 #define _PAGE_WRITE_SHIFT       (_PAGE_PRESENT_SHIFT + 1)
 #define _PAGE_WRITE             (1 << _PAGE_WRITE_SHIFT)
 #else
@@ -135,16 +135,16 @@
 #define _PAGE_SPLITTING         (1 << _PAGE_SPLITTING_SHIFT)
 
 /* Only R2 or newer cores have the XI bit */
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 #define _PAGE_NO_EXEC_SHIFT     (_PAGE_SPLITTING_SHIFT + 1)
 #else
 #define _PAGE_GLOBAL_SHIFT      (_PAGE_SPLITTING_SHIFT + 1)
 #define _PAGE_GLOBAL            (1 << _PAGE_GLOBAL_SHIFT)
-#endif  /* CONFIG_CPU_MIPSR2 */
+#endif  /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
 
 #endif  /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
 
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
 /* XI - page cannot be executed */
 #ifndef _PAGE_NO_EXEC_SHIFT
 #define _PAGE_NO_EXEC_SHIFT     (_PAGE_MODIFIED_SHIFT + 1)
@@ -160,10 +160,10 @@
 #define _PAGE_GLOBAL_SHIFT      (_PAGE_NO_READ_SHIFT + 1)
 #define _PAGE_GLOBAL            (1 << _PAGE_GLOBAL_SHIFT)
 
-#else   /* !CONFIG_CPU_MIPSR2 */
+#else   /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */
 #define _PAGE_GLOBAL_SHIFT      (_PAGE_MODIFIED_SHIFT + 1)
 #define _PAGE_GLOBAL            (1 << _PAGE_GLOBAL_SHIFT)
-#endif  /* CONFIG_CPU_MIPSR2 */
+#endif  /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
 
 #define _PAGE_VALID_SHIFT       (_PAGE_GLOBAL_SHIFT + 1)
 #define _PAGE_VALID             (1 << _PAGE_VALID_SHIFT)
@@ -205,7 +205,7 @@
  */
 static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 {
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
         if (cpu_has_rixi) {
                 int sa;
 #ifdef CONFIG_32BIT
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index e92d6c4b5ed1..7163cd7fdd69 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -104,7 +104,6 @@ do {									\
         if (test_and_clear_tsk_thread_flag(prev, TIF_USEDMSA))          \
                 __fpsave = FP_SAVE_VECTOR;                              \
         (last) = resume(prev, next, task_thread_info(next), __fpsave);  \
-        disable_msa();                                                  \
 } while (0)
 
 #define finish_arch_switch(prev)                                        \
@@ -122,6 +121,7 @@ do {									\
         if (cpu_has_userlocal)                                          \
                 write_c0_userlocal(current_thread_info()->tp_value);    \
         __restore_watch();                                              \
+        disable_msa();                                                  \
 } while (0)
 
 #endif /* _ASM_SWITCH_TO_H */
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index e70c33fdb881..f2e8153e44f5 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -3,15 +3,13 @@
 #
 
 obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
-    bonito-irq.o mem.o machtype.o platform.o
+    bonito-irq.o mem.o machtype.o platform.o serial.o
 obj-$(CONFIG_PCI) += pci.o
 
 #
 # Serial port support
 #
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-loongson-serial-$(CONFIG_SERIAL_8250) := serial.o
-obj-y += $(loongson-serial-m) $(loongson-serial-y)
 obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
 obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
 
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 57f09cb54464..269c2354c431 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -271,7 +271,7 @@ int gic_get_c0_fdc_int(void)
                                   GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_FDC));
 }
 
-static void gic_handle_shared_int(void)
+static void gic_handle_shared_int(bool chained)
 {
         unsigned int i, intr, virq;
         unsigned long *pcpu_mask;
@@ -299,7 +299,10 @@ static void gic_handle_shared_int(void)
         while (intr != gic_shared_intrs) {
                 virq = irq_linear_revmap(gic_irq_domain,
                                          GIC_SHARED_TO_HWIRQ(intr));
-                do_IRQ(virq);
+                if (chained)
+                        generic_handle_irq(virq);
+                else
+                        do_IRQ(virq);
 
                 /* go to next pending bit */
                 bitmap_clear(pending, intr, 1);
@@ -431,7 +434,7 @@ static struct irq_chip gic_edge_irq_controller = {
 #endif
 };
 
-static void gic_handle_local_int(void)
+static void gic_handle_local_int(bool chained)
 {
         unsigned long pending, masked;
         unsigned int intr, virq;
@@ -445,7 +448,10 @@ static void gic_handle_local_int(void)
         while (intr != GIC_NUM_LOCAL_INTRS) {
                 virq = irq_linear_revmap(gic_irq_domain,
                                          GIC_LOCAL_TO_HWIRQ(intr));
-                do_IRQ(virq);
+                if (chained)
+                        generic_handle_irq(virq);
+                else
+                        do_IRQ(virq);
 
                 /* go to next pending bit */
                 bitmap_clear(&pending, intr, 1);
@@ -509,13 +515,14 @@ static struct irq_chip gic_all_vpes_local_irq_controller = {
 
 static void __gic_irq_dispatch(void)
 {
-        gic_handle_local_int();
-        gic_handle_shared_int();
+        gic_handle_local_int(false);
+        gic_handle_shared_int(false);
 }
 
 static void gic_irq_dispatch(unsigned int irq, struct irq_desc *desc)
 {
-        __gic_irq_dispatch();
+        gic_handle_local_int(true);
+        gic_handle_shared_int(true);
 }
 
 #ifdef CONFIG_MIPS_GIC_IPI
diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
index 09428412139e..c5352ea4821e 100644
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -621,8 +621,8 @@ static u32 ssb_pmu_get_alp_clock_clk0(struct ssb_chipcommon *cc)
         u32 crystalfreq;
         const struct pmu0_plltab_entry *e = NULL;
 
-        crystalfreq = chipco_read32(cc, SSB_CHIPCO_PMU_CTL) &
-                      SSB_CHIPCO_PMU_CTL_XTALFREQ >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT;
+        crystalfreq = (chipco_read32(cc, SSB_CHIPCO_PMU_CTL) &
+                       SSB_CHIPCO_PMU_CTL_XTALFREQ)  >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT;
         e = pmu0_plltab_find_entry(crystalfreq);
         BUG_ON(!e);
         return e->freq * 1000;
@@ -634,7 +634,7 @@ u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc)
 
         switch (bus->chip_id) {
         case 0x5354:
-                ssb_pmu_get_alp_clock_clk0(cc);
+                return ssb_pmu_get_alp_clock_clk0(cc);
         default:
                 ssb_err("ERROR: PMU alp clock unknown for device %04X\n",
                         bus->chip_id);
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index aac511417ad1..a89d041592c8 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -639,7 +639,7 @@ do { \
         **************  MIPS  *****************
         ***************************************/
 #if defined(__mips__) && W_TYPE_SIZE == 32
-#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
 #define umul_ppmm(w1, w0, u, v)                 \
 do {                                            \
         UDItype __ll = (UDItype)(u) * (v);      \
@@ -671,7 +671,7 @@ do {						\
         **************  MIPS/64  **************
         ***************************************/
 #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
 #define umul_ppmm(w1, w0, u, v) \
 do {                                                                    \
         typedef unsigned int __ll_UTItype __attribute__((mode(TI)));    \