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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-02-01 16:54:19 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-02-01 16:58:07 -0800 |
| commit | bc34496d63ec0a669d6825ea42275fd6fcbe9969 (patch) | |
| tree | f2035768ce6f8e307add8da626a5f629f2034545 /drivers | |
| parent | 4e8718a1f960db0c48427f4583f89f4cb62f2480 (diff) | |
| download | linux-bc34496d63ec0a669d6825ea42275fd6fcbe9969.tar.gz linux-bc34496d63ec0a669d6825ea42275fd6fcbe9969.tar.bz2 linux-bc34496d63ec0a669d6825ea42275fd6fcbe9969.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/mouse/pxa930_trkball.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/mouse/pxa930_trkball.c b/drivers/input/mouse/pxa930_trkball.c index a0f45c4fc198..784be69b7112 100644 --- a/drivers/input/mouse/pxa930_trkball.c +++ b/drivers/input/mouse/pxa930_trkball.c @@ -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); |