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-rw-r--r--arch/powerpc/kernel/time.c67
1 files changed, 33 insertions, 34 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 0727332ad86f..8224381c1dba 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -901,6 +901,38 @@ void secondary_cpu_time_init(void)
register_decrementer_clockevent(smp_processor_id());
}
+/*
+ * Divide a 128-bit dividend by a 32-bit divisor, leaving a 128 bit
+ * result.
+ */
+static __init void div128_by_32(u64 dividend_high, u64 dividend_low,
+ unsigned int divisor, struct div_result *dr)
+{
+ unsigned long a, b, c, d;
+ unsigned long w, x, y, z;
+ u64 ra, rb, rc;
+
+ a = dividend_high >> 32;
+ b = dividend_high & 0xffffffff;
+ c = dividend_low >> 32;
+ d = dividend_low & 0xffffffff;
+
+ w = a / divisor;
+ ra = ((u64)(a - (w * divisor)) << 32) + b;
+
+ rb = ((u64)do_div(ra, divisor) << 32) + c;
+ x = ra;
+
+ rc = ((u64)do_div(rb, divisor) << 32) + d;
+ y = rb;
+
+ do_div(rc, divisor);
+ z = rc;
+
+ dr->result_high = ((u64)w << 32) + x;
+ dr->result_low = ((u64)y << 32) + z;
+}
+
/* This function is only called on the boot processor */
void __init time_init(void)
{
@@ -950,7 +982,7 @@ void __init time_init(void)
sys_tz.tz_dsttime = 0;
}
- vdso_data->tb_ticks_per_sec = tb_ticks_per_sec;
+ vdso_k_arch_data->tb_ticks_per_sec = tb_ticks_per_sec;
#ifdef CONFIG_PPC64_PROC_SYSTEMCFG
systemcfg->tb_ticks_per_sec = tb_ticks_per_sec;
#endif
@@ -974,39 +1006,6 @@ void __init time_init(void)
enable_sched_clock_irqtime();
}
-/*
- * Divide a 128-bit dividend by a 32-bit divisor, leaving a 128 bit
- * result.
- */
-void div128_by_32(u64 dividend_high, u64 dividend_low,
- unsigned divisor, struct div_result *dr)
-{
- unsigned long a, b, c, d;
- unsigned long w, x, y, z;
- u64 ra, rb, rc;
-
- a = dividend_high >> 32;
- b = dividend_high & 0xffffffff;
- c = dividend_low >> 32;
- d = dividend_low & 0xffffffff;
-
- w = a / divisor;
- ra = ((u64)(a - (w * divisor)) << 32) + b;
-
- rb = ((u64) do_div(ra, divisor) << 32) + c;
- x = ra;
-
- rc = ((u64) do_div(rb, divisor) << 32) + d;
- y = rb;
-
- do_div(rc, divisor);
- z = rc;
-
- dr->result_high = ((u64)w << 32) + x;
- dr->result_low = ((u64)y << 32) + z;
-
-}
-
/* We don't need to calibrate delay, we use the CPU timebase for that */
void calibrate_delay(void)
{