summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/include/mach/timex.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/timex.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/timex.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/timex.h b/arch/arm/mach-pxa/include/mach/timex.h
index b05fc6683c47..af6760a50e1a 100644
--- a/arch/arm/mach-pxa/include/mach/timex.h
+++ b/arch/arm/mach-pxa/include/mach/timex.h
@@ -10,6 +10,14 @@
* published by the Free Software Foundation.
*/
+/* Various drivers are still using the constant of CLOCK_TICK_RATE, for
+ * those drivers to at least work, the definition is provided here.
+ *
+ * NOTE: this is no longer accurate when multiple processors and boards
+ * are selected, newer drivers should not depend on this any more. Use
+ * either the clocksource/clockevent or get this at run-time by calling
+ * get_clock_tick_rate() (as defined in generic.c).
+ */
#if defined(CONFIG_PXA25x)
/* PXA250/210 timer base */