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authorAkira Takeuchi <takeuchi.akr@jp.panasonic.com>2010-10-27 17:28:55 +0100
committerDavid Howells <dhowells@redhat.com>2010-10-27 17:28:55 +0100
commit368dd5acd154b09c043cc4392a74da01599b37d5 (patch)
treedd94ae3d044f6e774dec2437613515bd6b46dacb /arch/mn10300/lib
parent04157a6e7df99fd5ed64955233d6e00ab6613614 (diff)
downloadlinux-368dd5acd154b09c043cc4392a74da01599b37d5.tar.gz
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>
Diffstat (limited to 'arch/mn10300/lib')
-rw-r--r--arch/mn10300/lib/delay.c8
1 files changed, 4 insertions, 4 deletions
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);