Merge commit 'origin/queue' into for-queue

Conflicts:
	arch/powerpc/include/asm/Kbuild
	arch/powerpc/include/uapi/asm/Kbuild

1 files changed, 2 insertions, 7 deletions

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 66ce4148913..d84beb994f3 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -120,11 +120,6 @@ static const char *type2name[4] = { "single", "page",
 static const char *dir2name[4] = { "DMA_BIDIRECTIONAL", "DMA_TO_DEVICE",
 				   "DMA_FROM_DEVICE", "DMA_NONE" };
 
-/* little merge helper - remove it after the merge window */
-#ifndef BUS_NOTIFY_UNBOUND_DRIVER
-#define BUS_NOTIFY_UNBOUND_DRIVER 0x0005
-#endif
-
 /*
  * The access to some variables in this macro is racy. We can't use atomic_t
  * here because all these variables are exported to debugfs. Some of them even
@@ -269,7 +264,7 @@ static struct dma_debug_entry *__hash_bucket_find(struct hash_bucket *bucket,
 						  match_fn match)
 {
 	struct dma_debug_entry *entry, *ret = NULL;
-	int matches = 0, match_lvl, last_lvl = 0;
+	int matches = 0, match_lvl, last_lvl = -1;
 
 	list_for_each_entry(entry, &bucket->list, list) {
 		if (!match(ref, entry))
@@ -298,7 +293,7 @@ static struct dma_debug_entry *__hash_bucket_find(struct hash_bucket *bucket,
 		} else if (match_lvl > last_lvl) {
 			/*
 			 * We found an entry that fits better then the
-			 * previous one
+			 * previous one or it is the 1st match.
 			 */
 			last_lvl = match_lvl;
 			ret      = entry;