* [TRIVIAL][PATCH] tsc-cleanup_A0
@ 2002-06-21 0:20 john stultz
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From: john stultz @ 2002-06-21 0:20 UTC (permalink / raw)
To: marcelo; +Cc: lkml
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Marcelo
Poking around w/ the tsc-disable patch, I figured I should send out
this trivial cleanup as well. I got these changes from a post Brian
Gerst originally released for 2.5.
thanks
-john
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diff -Nru a/drivers/char/joystick/analog.c b/drivers/char/joystick/analog.c
--- a/drivers/char/joystick/analog.c Thu Jun 20 17:11:02 2002
+++ b/drivers/char/joystick/analog.c Thu Jun 20 17:11:02 2002
@@ -137,10 +137,9 @@
*/
#ifdef __i386__
-#define TSC_PRESENT (test_bit(X86_FEATURE_TSC, &boot_cpu_data.x86_capability))
-#define GET_TIME(x) do { if (TSC_PRESENT) rdtscl(x); else { outb(0, 0x43); x = inb(0x40); x |= inb(0x40) << 8; } } while (0)
-#define DELTA(x,y) (TSC_PRESENT?((y)-(x)):((x)-(y)+((x)<(y)?1193180L/HZ:0)))
-#define TIME_NAME (TSC_PRESENT?"TSC":"PIT")
+#define GET_TIME(x) do { if (cpu_has_tsc) rdtscl(x); else { outb(0, 0x43); x = inb(0x40); x |= inb(0x40) << 8; } } while (0)
+#define DELTA(x,y) (cpu_has_tsc?((y)-(x)):((x)-(y)+((x)<(y)?1193180L/HZ:0)))
+#define TIME_NAME (cpu_has_tsc?"TSC":"PIT")
#elif __x86_64__
#define GET_TIME(x) rdtscl(x)
#define DELTA(x,y) ((y)-(x))
diff -Nru a/drivers/char/random.c b/drivers/char/random.c
--- a/drivers/char/random.c Thu Jun 20 17:11:02 2002
+++ b/drivers/char/random.c Thu Jun 20 17:11:02 2002
@@ -735,7 +735,7 @@
int entropy = 0;
#if defined (__i386__)
- if ( test_bit(X86_FEATURE_TSC, &boot_cpu_data.x86_capability) ) {
+ if (cpu_has_tsc) {
__u32 high;
rdtsc(time, high);
num ^= high;
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