[PATCH] x86_64: Remove hack to manually enable HPET on AMD8111 southbridges
authorVojtech Pavlik <vojtech@suse.cz>
Mon, 26 Jun 2006 11:58:29 +0000 (13:58 +0200)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 26 Jun 2006 17:48:19 +0000 (10:48 -0700)
Remove #ifdefed code to manually enable HPET on AMD8111, where the
BIOS doesn't have ACPI HPET tables and doesn't enable it for us.

Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/time.c

index 54b14e3ef66f649f1f4f5826139c73676a14e1c3..ab9bea82945f6171471cb4d1f51d32ca15b8096f 100644 (file)
@@ -56,8 +56,6 @@ DEFINE_SPINLOCK(i8253_lock);
 int nohpet __initdata = 0;
 static int notsc __initdata = 0;
 
-#undef HPET_HACK_ENABLE_DANGEROUS
-
 unsigned int cpu_khz;                                  /* TSC clocks / usec, not used here */
 static unsigned long hpet_period;                      /* fsecs / HPET clock */
 unsigned long hpet_tick;                               /* HPET clocks / interrupt */
@@ -890,18 +888,6 @@ void __init time_init(void)
        char *timename;
        char *gtod;
 
-#ifdef HPET_HACK_ENABLE_DANGEROUS
-        if (!vxtime.hpet_address) {
-               printk(KERN_WARNING "time.c: WARNING: Enabling HPET base "
-                      "manually!\n");
-                outl(0x800038a0, 0xcf8);
-                outl(0xff000001, 0xcfc);
-                outl(0x800038a0, 0xcf8);
-                vxtime.hpet_address = inl(0xcfc) & 0xfffffffe;
-               printk(KERN_WARNING "time.c: WARNING: Enabled HPET "
-                      "at %#lx.\n", vxtime.hpet_address);
-        }
-#endif
        if (nohpet)
                vxtime.hpet_address = 0;