---

yaml --- r: 280110 b: refs/heads/master c: 0ad2dee h: refs/heads/master v: v3
git-mirror · Dec 1, 2011 · 64b0b03 · 64b0b03
1 parent ce35dc2
commit 64b0b03
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d4b6af2e0e29278f2353c7c8721ddf2f2446414f
+refs/heads/master: 0ad2deeab5d3fc80fc7cd85638f805830254ef1d
diff --git a/trunk/drivers/spi/spi-pl022.c b/trunk/drivers/spi/spi-pl022.c
@@ -1512,8 +1512,12 @@ static void pump_messages(struct work_struct *work)
 	/* Lock queue and check for queue work */
 	spin_lock_irqsave(&pl022->queue_lock, flags);
 	if (list_empty(&pl022->queue) || !pl022->running) {
-		if (pl022->busy)
+		if (pl022->busy) {
+			/* nothing more to do - disable spi/ssp and power off */
+			writew((readw(SSP_CR1(pl022->virtbase)) &
+				(~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
 			pm_runtime_put(&pl022->adev->dev);
+		}
 		pl022->busy = false;
 		spin_unlock_irqrestore(&pl022->queue_lock, flags);
 		return;