Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Delete totally outdated Documentation/mips/time.README
  [MIPS] Kill duplicated setup_irq() for cp0 timer
  [MIPS] Sibyte: Finish conversion to modern time APIs.
  [MIPS] time: Helpers to compute clocksource/event shift and mult values.
  [MIPS] SMTC: Build fix.
  [MIPS] time: Delete dead code.
  [MIPS] MIPSsim: Strip defconfig file to the bones.

2 files changed, 29 insertions, 64 deletions

diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 08b84d476c..a915e56934 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -10,6 +10,7 @@
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 
+#include <asm/smtc_ipi.h>
 #include <asm/time.h>
 
 static int mips_next_event(unsigned long delta,
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index ea7cfe766a..c4e6866d5c 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -40,17 +40,6 @@
 #include <irq.h>
 
 /*
- * The integer part of the number of usecs per jiffy is taken from tick,
- * but the fractional part is not recorded, so we calculate it using the
- * initial value of HZ.  This aids systems where tick isn't really an
- * integer (e.g. for HZ = 128).
- */
-#define USECS_PER_JIFFY         TICK_SIZE
-#define USECS_PER_JIFFY_FRAC    ((unsigned long)(u32)((1000000ULL << 32) / HZ))
-
-#define TICK_SIZE       (tick_nsec / 1000)
-
-/*
  * forward reference
  */
 DEFINE_SPINLOCK(rtc_lock);
@@ -182,84 +171,59 @@ struct clocksource clocksource_mips = {
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-static void __init init_mips_clocksource(void)
+void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock)
 {
         u64 temp;
         u32 shift;
 
-        if (!mips_hpt_frequency || clocksource_mips.read == null_hpt_read)
-                return;
-
-        /* Calclate a somewhat reasonable rating value */
-        clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
         /* Find a shift value */
         for (shift = 32; shift > 0; shift--) {
                 temp = (u64) NSEC_PER_SEC << shift;
-                do_div(temp, mips_hpt_frequency);
+                do_div(temp, clock);
                 if ((temp >> 32) == 0)
                         break;
         }
-        clocksource_mips.shift = shift;
-        clocksource_mips.mult = (u32)temp;
-
-        clocksource_register(&clocksource_mips);
+        cs->shift = shift;
+        cs->mult = (u32) temp;
 }
 
-void __init __weak plat_time_init(void)
+void __cpuinit clockevent_set_clock(struct clock_event_device *cd,
+        unsigned int clock)
 {
+        u64 temp;
+        u32 shift;
+
+        /* Find a shift value */
+        for (shift = 32; shift > 0; shift--) {
+                temp = (u64) NSEC_PER_SEC << shift;
+                do_div(temp, clock);
+                if ((temp >> 32) == 0)
+                        break;
+        }
+        cd->shift = shift;
+        cd->mult = (u32) temp;
 }
 
-void __init __weak plat_timer_setup(struct irqaction *irq)
+static void __init init_mips_clocksource(void)
 {
-}
+        if (!mips_hpt_frequency || clocksource_mips.read == null_hpt_read)
+                return;
 
-#ifdef CONFIG_MIPS_MT_SMTC
-DEFINE_PER_CPU(struct clock_event_device, smtc_dummy_clockevent_device);
+        /* Calclate a somewhat reasonable rating value */
+        clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
 
-static void smtc_set_mode(enum clock_event_mode mode,
-                          struct clock_event_device *evt)
-{
+        clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
+
+        clocksource_register(&clocksource_mips);
 }
 
-static void mips_broadcast(cpumask_t mask)
+void __init __weak plat_time_init(void)
 {
-        unsigned int cpu;
-
-        for_each_cpu_mask(cpu, mask)
-                smtc_send_ipi(cpu, SMTC_CLOCK_TICK, 0);
 }
 
-static void setup_smtc_dummy_clockevent_device(void)
+void __init __weak plat_timer_setup(struct irqaction *irq)
 {
-        //uint64_t mips_freq = mips_hpt_^frequency;
-        unsigned int cpu = smp_processor_id();
-        struct clock_event_device *cd;
-
-        cd = &per_cpu(smtc_dummy_clockevent_device, cpu);
-
-        cd->name                = "SMTC";
-        cd->features            = CLOCK_EVT_FEAT_DUMMY;
-
-        /* Calculate the min / max delta */
-        cd->mult        = 0; //div_sc((unsigned long) mips_freq, NSEC_PER_SEC, 32);
-        cd->shift               = 0; //32;
-        cd->max_delta_ns        = 0; //clockevent_delta2ns(0x7fffffff, cd);
-        cd->min_delta_ns        = 0; //clockevent_delta2ns(0x30, cd);
-
-        cd->rating              = 200;
-        cd->irq                 = 17; //-1;
-//      if (cpu)
-//              cd->cpumask     = CPU_MASK_ALL; // cpumask_of_cpu(cpu);
-//      else
-                cd->cpumask     = cpumask_of_cpu(cpu);
-
-        cd->set_mode            = smtc_set_mode;
-
-        cd->broadcast           = mips_broadcast;
-
-        clockevents_register_device(cd);
 }
-#endif
 
 void __init time_init(void)
 {