Change hardware flow control from poll to interrupt driven

[linux-2.6-omap-h63xx.git] / include / linux / timex.h

diff --git a/include/linux/timex.h b/include/linux/timex.h
index 998a55d80acf1b1c62bd8d91755448f9a0edebd6..aa3475fcff643a3d2b32fddff911b66e88eea48e 100644 (file)
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -190,7 +190,7 @@ struct timex {
  * offset and maximum frequency tolerance.
  */
 #define SHIFT_USEC 16          /* frequency offset scale (shift) */
-#define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
+#define PPM_SCALE ((s64)NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
 #define PPM_SCALE_INV_SHIFT 19
 #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
                       PPM_SCALE + 1)