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| author | Grzegorz Sygieda <grzegorz.sygieda@tieto.com> | 2010-05-20 22:28:30 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-05-25 00:23:14 -0600 |
| commit | 4a12404ddaa06e8ec5e2c0d8ece4d821281e6024 (patch) | |
| tree | 934a15de476cc21fd245bcf97eb78fc07c7b39a1 | |
| parent | 781c7b129b1beb876905f7212927aa0ee1b022e5 (diff) | |
| download | linux-3.10-4a12404ddaa06e8ec5e2c0d8ece4d821281e6024.tar.gz linux-3.10-4a12404ddaa06e8ec5e2c0d8ece4d821281e6024.tar.bz2 linux-3.10-4a12404ddaa06e8ec5e2c0d8ece4d821281e6024.zip | |
spi/pl022: fix stop queue procedure
This fix prevents queue being marked as "stopped", if data exists
in the queue list.
Signed-off-by: Grzegorz Sygieda <grzegorz.sygieda@tieto.com>
Signed-off-by: Lukasz Baj <lukasz.baj@tieto.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| -rw-r--r-- | drivers/spi/amba-pl022.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c index c75831c1ded..f0a1418ce66 100644 --- a/drivers/spi/amba-pl022.c +++ b/drivers/spi/amba-pl022.c @@ -1211,7 +1211,6 @@ static int stop_queue(struct pl022 *pl022) * A wait_queue on the pl022->busy could be used, but then the common * execution path (pump_messages) would be required to call wake_up or * friends on every SPI message. Do this instead */ - pl022->run = QUEUE_STOPPED; while (!list_empty(&pl022->queue) && pl022->busy && limit--) { spin_unlock_irqrestore(&pl022->queue_lock, flags); msleep(10); @@ -1220,6 +1219,7 @@ static int stop_queue(struct pl022 *pl022) if (!list_empty(&pl022->queue) || pl022->busy) status = -EBUSY; + else pl022->run = QUEUE_STOPPED; spin_unlock_irqrestore(&pl022->queue_lock, flags); |