SPI: fix in PL022 stop queue procedure

Commit Message

Linus Walleij May 20, 2010, 10:28 p.m. UTC

None

Patch

diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index e9aeee1..ba9663f 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -1148,7 +1148,6 @@  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);
@@ -1157,6 +1156,7 @@  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);