[PATCH 3/3] net: macb: fix compiler warning for 64 bit systems

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On arm64 the compiler prints the following warning, when the macb driver
is enabled:

	warning: cast from pointer to integer of different size

Add the same explicit cast as implemented for all other dma addresses in
the macb driver.

Fixes: befd110b5922 ("net: macb: init multiple dummy TX queues")
Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
---
 drivers/net/macb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index fa530cfe8e4c..188dbf2d8c15 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -365,7 +365,7 @@ static int gmac_init_dummy_tx_queues(struct macb_device *macb)
 		MACB_BIT(TX_LAST) | MACB_BIT(TX_USED);
 
 	for (i = 1; i < num_queues; i++)
-		gem_writel_queue_TBQP(macb, &macb->gem_q1_descs[0], i - 1);
+		gem_writel_queue_TBQP(macb, (ulong)macb->gem_q1_descs, i - 1);
 
 	return 0;
 }
-- 
2.20.1


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