MN10300: And Panasonic AM34 subarch and implement SMP

Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300.  Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/mn10300/lib/delay.c b/arch/mn10300/lib/delay.c
index fdf6f710f94e..8e7ceb8ba33d 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);