X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=arch%2Fmn10300%2Flib%2Fdelay.c;h=8e7ceb8ba33ddaeaf7487139fb6d9eab5f9788b4;hb=725278e0ecdabbbced6f1b05a23473ec9e4cafee;hp=fdf6f710f94ec388f8c230afc8bff6139cc6295b;hpb=d6cd4715e21508bebbb1928c91d628bd65f5de5f;p=~andy%2Flinux

diff --git a/arch/mn10300/lib/delay.c b/arch/mn10300/lib/delay.c
index fdf6f710f94..8e7ceb8ba33 100644
--- a/arch/mn10300/lib/delay.c
+++ b/arch/mn10300/lib/delay.c
@@ -38,14 +38,14 @@ EXPORT_SYMBOL(__delay);
  */
 void __udelay(unsigned long usecs)
 {
-	signed long ioclk, stop;
+	unsigned long start, stop, cnt;
 
 	/* usecs * CLK / 1E6 */
 	stop = __muldiv64u(usecs, MN10300_TSCCLK, 1000000);
-	stop = TMTSCBC - stop;
+	start = TMTSCBC;
 
 	do {
-		ioclk = TMTSCBC;
-	} while (stop < ioclk);
+		cnt = start - TMTSCBC;
+	} while (cnt < stop);
 }
 EXPORT_SYMBOL(__udelay);