X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/8c87fd5df0ea2627fa612fda7cf71f107201ddc4..f15908485431a65bd7d9317272ef28e4b700a19d:/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch

diff --git a/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch b/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch
index 73d177b10..5b6431073 100644
--- a/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch
+++ b/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch
@@ -1,7 +1,7 @@
 diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
 --- linux.old/arch/mips/kernel/time.c	2005-11-14 11:06:38.661262000 +0100
-+++ linux.dev/arch/mips/kernel/time.c	2005-11-14 11:10:42.856523250 +0100
-@@ -151,6 +151,16 @@
++++ linux.dev/arch/mips/kernel/time.c	2005-11-15 20:02:50.059676750 +0100
+@@ -151,6 +151,27 @@
  unsigned int (*mips_hpt_read)(void);
  void (*mips_hpt_init)(unsigned int);
  
@@ -10,15 +10,26 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
 +	return timerhi;
 +}
 +
++static __u64 tscll_last = 0;
++
 +extern __u64 get_tscll(void)
 +{
++	__u64 h = (__u64) timerhi;
 +	__u32 c = read_c0_count();
-+	return ((((__u64) timerhi) + (c < timerlo)) << 32) | ((__u64) ((__u32) c));
++
++	h <<= 32;
++	h += c;
++
++	while (h < tscll_last)
++		h += (((__u64) 1) << 32);
++
++	tscll_last = h;
++	return h;	
 +}
  
  /*
   * timeofday services, for syscalls.
-@@ -761,3 +771,5 @@
+@@ -761,3 +782,5 @@
  EXPORT_SYMBOL(to_tm);
  EXPORT_SYMBOL(rtc_set_time);
  EXPORT_SYMBOL(rtc_get_time);