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-rw-r--r--include/linux/delay.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/delay.h b/include/linux/delay.h
index 17ddb55430a..54552d21296 100644
--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -7,6 +7,8 @@
* Delay routines, using a pre-computed "loops_per_jiffy" value.
*/
+#include <linux/kernel.h>
+
extern unsigned long loops_per_jiffy;
#include <asm/delay.h>
@@ -32,7 +34,11 @@ extern unsigned long loops_per_jiffy;
#endif
#ifndef ndelay
-#define ndelay(x) udelay(((x)+999)/1000)
+static inline void ndelay(unsigned long x)
+{
+ udelay(DIV_ROUND_UP(x, 1000));
+}
+#define ndelay(x) ndelay(x)
#endif
void calibrate_delay(void);