5 files changed, 27 insertions, 23 deletions

diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c
index 625843b..873cf31 100644
--- a/arch/mips/mips-boards/atlas/atlas_setup.c
+++ b/arch/mips/mips-boards/atlas/atlas_setup.c
@@ -82,8 +82,8 @@ static void __init serial_init(void)
 #endif
 	s.irq = ATLASINT_UART;
 	s.uartclk = ATLAS_BASE_BAUD * 16;
-	s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
-	s.iotype = SERIAL_IO_PORT;
+	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
+	s.iotype = UPIO_PORT;
 	s.regshift = 3;
 
 	if (early_serial_setup(&s) != 0) {
diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c
index 9fdec74..7213c39 100644
--- a/arch/mips/mips-boards/generic/reset.c
+++ b/arch/mips/mips-boards/generic/reset.c
@@ -23,6 +23,7 @@
  *
  */
 #include <linux/config.h>
+#include <linux/pm.h>
 
 #include <asm/io.h>
 #include <asm/reboot.h>
@@ -65,9 +66,9 @@ void mips_reboot_setup(void)
 	_machine_restart = mips_machine_restart;
 	_machine_halt = mips_machine_halt;
 #if defined(CONFIG_MIPS_ATLAS)
-	_machine_power_off = atlas_machine_power_off;
+	pm_power_off = atlas_machine_power_off;
 #endif
 #if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD)
-	_machine_power_off = mips_machine_halt;
+	pm_power_off = mips_machine_halt;
 #endif
 }
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index 72a12d9..93f3bf2 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -75,20 +75,31 @@ static void mips_timer_dispatch (struct pt_regs *regs)
 	do_IRQ (mips_cpu_timer_irq, regs);
 }
 
+extern int null_perf_irq(struct pt_regs *regs);
+
+extern int (*perf_irq)(struct pt_regs *regs);
+
 irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-#ifdef CONFIG_SMP
+	int r2 = cpu_has_mips_r2;
 	int cpu = smp_processor_id();
 
 	if (cpu == 0) {
 		/*
-		 * CPU 0 handles the global timer interrupt job and process accounting
-		 * resets count/compare registers to trigger next timer int.
+		 * CPU 0 handles the global timer interrupt job and process
+		 * accounting resets count/compare registers to trigger next
+		 * timer int.
 		 */
-		(void) timer_interrupt(irq, dev_id, regs);
+		if (!r2 || (read_c0_cause() & (1 << 26)))
+			if (perf_irq(regs))
+				goto out;
+
+		/* we keep interrupt disabled all the time */
+		if (!r2 || (read_c0_cause() & (1 << 30)))
+			timer_interrupt(irq, NULL, regs);
+
 		scroll_display_message();
-	}
-	else {
+	} else {
 		/* Everyone else needs to reset the timer int here as
 		   ll_local_timer_interrupt doesn't */
 		/*
@@ -103,16 +114,8 @@ irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		local_timer_interrupt (irq, dev_id, regs);
 	}
 
+out:
 	return IRQ_HANDLED;
-#else
-	irqreturn_t r;
-
-	r = timer_interrupt(irq, dev_id, regs);
-
-	scroll_display_message();
-
-	return r;
-#endif
 }
 
 /*
diff --git a/arch/mips/mips-boards/sead/sead_setup.c b/arch/mips/mips-boards/sead/sead_setup.c
index f966bc1..4266ce4 100644
--- a/arch/mips/mips-boards/sead/sead_setup.c
+++ b/arch/mips/mips-boards/sead/sead_setup.c
@@ -71,8 +71,8 @@ static void __init serial_init(void)
 #endif
 	s.irq = MIPSCPU_INT_BASE + MIPSCPU_INT_UART0;
 	s.uartclk = SEAD_BASE_BAUD * 16;
-	s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
-	s.iotype = 0;
+	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
+	s.iotype = UPIO_PORT;
 	s.regshift = 3;
 
 	if (early_serial_setup(&s) != 0) {
diff --git a/arch/mips/mips-boards/sim/sim_setup.c b/arch/mips/mips-boards/sim/sim_setup.c
index 485d5a5..a2fd629 100644
--- a/arch/mips/mips-boards/sim/sim_setup.c
+++ b/arch/mips/mips-boards/sim/sim_setup.c
@@ -88,8 +88,8 @@ static void __init serial_init(void)
 	 but poll for now */
 	s.irq =  0;
 	s.uartclk = BASE_BAUD * 16;
-	s.flags = ASYNC_BOOT_AUTOCONF | UPF_SKIP_TEST;
-	s.iotype = SERIAL_IO_PORT | ASYNC_SKIP_TEST;
+	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
+	s.iotype = UPIO_PORT;
 	s.regshift = 0;
 	s.timeout = 4;