On Thu, 01 Nov 2007 15:46:41 +0000, firstname.lastname@example.org wrote:
> Author: Ralf Baechle <email@example.com> Thu Nov 1 15:45:37 2007 +0000
> Commit: 0a354a30fe552b78a4db0873c19d8936551cc158
> Gitweb: http://www.linux-mips.org/g/linux/0a354a30
> Branch: master
> This is the clock rate of the i8253 PIT. A MIPS system may not have
> a PIT by the symbol is used all over the kernel including some APIs.
> So keeping it defined to the number for the PIT is the only sane thing
> for now.
The CLOCK_TICK_RATE is used for ACTHZ, TICK_NSEC, etc.
At least for i8253-free platforms, It looks a value multiple of HZ
would be better for such constants, assuming we have dyntick or
accurate HZ clockevents.
How about something like this?
diff --git a/include/asm-mips/timex.h b/include/asm-mips/timex.h
index 5816ad1..e9622b6 100644
@@ -18,7 +18,11 @@
* So keeping it defined to the number for the PIT is the only sane thing
* for now.
#define CLOCK_TICK_RATE 1193182
+#define CLOCK_TICK_RATE 1024000 /* multiple of HZ */
* Standard way to access the cycle counter.