Input: pxa930_trkball - fix write timeout handling

With a postfix decrement i reaches -1 rather than 0,
but after the loop it is tested whether it has become 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Roel Kluin 2009-02-01 16:54:19 -08:00 committed by Dmitry Torokhov
parent 4e8718a1f9
commit bc34496d63

View File

@ -83,7 +83,7 @@ static int write_tbcr(struct pxa930_trkball *trkball, int v)
__raw_writel(v, trkball->mmio_base + TBCR);
while (i--) {
while (--i) {
if (__raw_readl(trkball->mmio_base + TBCR) == v)
break;
msleep(1);