This fixes a a build failure for 2.6.31-rc4-rt1 (ARCH=arm,
davinci_all_defconfig):

	drivers/watchdog/davinci_wdt.c: In function 'wdt_enable':
	drivers/watchdog/davinci_wdt.c:102: error: 'CLOCK_TICK_RATE' undeclared (first use in this function)
	drivers/watchdog/davinci_wdt.c:102: error: (Each undeclared identifier is reported only once
	drivers/watchdog/davinci_wdt.c:102: error: for each function it appears in.)

Signed-off-by: Uwe Kleine-König <redacted>
Cc: Wim Van Sebroeck <redacted>
Cc: Kevin Hilman <redacted>
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.arm.linux.org.uk
---
 drivers/watchdog/davinci_wdt.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 83e22e7..4a136d7 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c

@@ -26,6 +26,8 @@
 #include <linux/io.h>
 #include <linux/device.h>
 
+#include <mach/timex.h>
+
 #define MODULE_NAME "DAVINCI-WDT: "
 
 #define DEFAULT_HEARTBEAT 60

-- 
1.6.3.3