1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 68ce08552f6..a540162ac59 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -1173,7 +1173,16 @@ wait_io1:
         outw(val, tmport);
         outb(2, 0x80);
 TCM_SYNC:
-        udelay(0x800);
+        /*
+         * The funny division into multiple delays is to accomodate
+         * arches like ARM where udelay() multiplies its argument by
+         * a large number to initialize a loop counter.  To avoid
+         * overflow, the maximum supported udelay is 2000 microseconds.
+         *
+         * XXX it would be more polite to find a way to use msleep()
+         */
+        mdelay(2);
+        udelay(48);
         if ((inb(tmport) & 0x80) == 0x00) {     /* bsy ? */
                 outw(0, tmport--);
                 outb(0, tmport);