drivers/net: Remove casts of void *

Unnecessary casts of void * clutter the code.

These are the remainder casts after several specific
patches to remove netdev_priv and dev_priv.

Done via coccinelle script (and a little editing):

$ cat cast_void_pointer.cocci
@@
type T;
T *pt;
void *pv;
@@

- pt = (T *)pv;
+ pt = pv;

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Acked-By: Chris Snook <chris.snook@gmail.com>
Acked-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: David Dillow <dave@thedillows.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index 86a9122..c3c5db1 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -800,8 +800,7 @@
 	/* Init TPD Ring */
 	tx_ring->dma = roundup(adapter->ring_dma, 8);
 	offset = tx_ring->dma - adapter->ring_dma;
-	tx_ring->desc = (struct atl1e_tpd_desc *)
-			(adapter->ring_vir_addr + offset);
+	tx_ring->desc = adapter->ring_vir_addr + offset;
 	size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count);
 	tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL);
 	if (tx_ring->tx_buffer == NULL) {
@@ -827,7 +826,7 @@
 
 	/* Init CMB dma address */
 	tx_ring->cmb_dma = adapter->ring_dma + offset;
-	tx_ring->cmb     = (u32 *)(adapter->ring_vir_addr + offset);
+	tx_ring->cmb = adapter->ring_vir_addr + offset;
 	offset += sizeof(u32);
 
 	for (i = 0; i < adapter->num_rx_queues; i++) {