X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-pxa%2Finclude%2Fmach%2Ftimex.h;h=af6760a50e1ab6a82996b8155bdd088cb8827eb6;hb=14a3c4ab0e58d143c7928c9eb2f2610205e13bf2;hp=b05fc6683c4739a3d9a6454c96f573b20347476b;hpb=881b374705f352725ba1f558968ef34c17ba900e;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/mach-pxa/include/mach/timex.h b/arch/arm/mach-pxa/include/mach/timex.h
index b05fc6683c4..af6760a50e1 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 */