From: Adrian Bunk <bunk@stusta.de>

The gcc 3.4 fork used to compile the MN10300 port emits unwanted
__ucmpdi2() calls for this switch on a 64bit value.

Fix it by transforming the switch to equivalent "if ... else if ..."
statements.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/net/wireless/b43legacy/dma.c |   16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff -puN drivers/net/wireless/b43legacy/dma.c~drivers-net-wireless-b43legacy-dmac-remove-the-switch-in-b43legacy_dma_init drivers/net/wireless/b43legacy/dma.c
--- a/drivers/net/wireless/b43legacy/dma.c~drivers-net-wireless-b43legacy-dmac-remove-the-switch-in-b43legacy_dma_init
+++ a/drivers/net/wireless/b43legacy/dma.c
@@ -1027,19 +1027,15 @@ int b43legacy_dma_init(struct b43legacy_
 	enum b43legacy_dmatype type;
 
 	dmamask = supported_dma_mask(dev);
-	switch (dmamask) {
-	default:
-		B43legacy_WARN_ON(1);
-	case DMA_30BIT_MASK:
+
+	if (dmamask == DMA_30BIT_MASK)
 		type = B43legacy_DMA_30BIT;
-		break;
-	case DMA_32BIT_MASK:
+	else if (dmamask == DMA_32BIT_MASK)
 		type = B43legacy_DMA_32BIT;
-		break;
-	case DMA_64BIT_MASK:
+	else if (dmamask == DMA_64BIT_MASK)
 		type = B43legacy_DMA_64BIT;
-		break;
-	}
+	else
+		B43legacy_WARN_ON(1);
 
 	err = ssb_dma_set_mask(dev->dev, dmamask);
 	if (err) {
_