move sched_use_tsc patch to generic-2.4

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5187 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/brcm-2.4/patches/007-sched_use_tsc.patch

@@ -1,84 +0,0 @@
-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	2005-11-15 20:02:50.059676750 +0100
-@@ -151,6 +151,27 @@
- unsigned int (*mips_hpt_read)(void);
- void (*mips_hpt_init)(unsigned int);
- 
-+extern __u32 get_htscl(void)
-+{
-+	return timerhi;
-+}
-+
-+static __u64 tscll_last = 0;
-+
-+extern __u64 get_tscll(void)
-+{
-+	__u64 h = (__u64) timerhi;
-+	__u32 c = read_c0_count();
-+
-+	h <<= 32;
-+	h += c;
-+
-+	while (h < tscll_last)
-+		h += (((__u64) 1) << 32);
-+
-+	tscll_last = h;
-+	return h;	
-+}
- 
- /*
-  * timeofday services, for syscalls.
-@@ -761,3 +782,5 @@
- EXPORT_SYMBOL(to_tm);
- EXPORT_SYMBOL(rtc_set_time);
- EXPORT_SYMBOL(rtc_get_time);
-+EXPORT_SYMBOL(get_htscl);
-+EXPORT_SYMBOL(get_tscll);
-diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
---- linux.old/include/asm-mips/timex.h	2005-11-14 11:06:38.685263500 +0100
-+++ linux.dev/include/asm-mips/timex.h	2005-11-14 11:02:21.069163500 +0100
-@@ -31,6 +31,19 @@
- 	return read_c0_count();
- }
- 
-+extern __u32 get_htscl(void);
-+extern __u64 get_tscll(void);
-+
-+#define rdtsc(low, high) \
-+		high = get_htscl(); \
-+		low = read_c0_count();
-+
-+#define rdtscl(low) \
-+		low = read_c0_count();
-+
-+#define rdtscll(val) \
-+		val = get_tscll();
-+
- #define vxtime_lock()		do {} while (0)
- #define vxtime_unlock()		do {} while (0)
- 
-diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h
---- linux.old/include/net/pkt_sched.h	2005-11-14 11:06:38.709265000 +0100
-+++ linux.dev/include/net/pkt_sched.h	2005-11-14 11:02:21.069163500 +0100
-@@ -5,7 +5,11 @@
- #define PSCHED_JIFFIES 		2
- #define PSCHED_CPU 		3
- 
-+#ifdef __mips__
-+#define PSCHED_CLOCK_SOURCE	PSCHED_CPU
-+#else
- #define PSCHED_CLOCK_SOURCE	PSCHED_JIFFIES
-+#endif
- 
- #include <linux/config.h>
- #include <linux/types.h>
-@@ -271,7 +275,7 @@
- #define PSCHED_US2JIFFIE(delay) (((delay)+psched_clock_per_hz-1)/psched_clock_per_hz)
- #define PSCHED_JIFFIE2US(delay) ((delay)*psched_clock_per_hz)
- 
--#ifdef CONFIG_X86_TSC
-+#if defined(CONFIG_X86_TSC) || defined(__mips__)
- 
- #define PSCHED_GET_TIME(stamp) \
- ({ u64 __cur; \