net: sh_eth: change the condition of initialization

The SH7757 has 2 Fast Ethernet and 2 Gigabit Ethernet, and the first Gigabit channel needs the initialization. So, this patch adds the parameter of "needs_init", and if the sh_eth_plat_data is set it to 1, the driver will initialize the channel. Signed-off-by: Yoshihiro Shimoda <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mna · Feb 16, 2012 · 150647f · 150647f
1 parent 3acbc97
commit 150647f
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1859,8 +1859,8 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 	/* read and set MAC address */
 	read_mac_address(ndev, pd->mac_addr);
 
-	/* First device only init */
-	if (!devno) {
+	/* initialize first or needed device */
+	if (!devno || pd->needs_init) {
 		if (mdp->cd->tsu) {
 			struct resource *rtsu;
 			rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1);

diff --git a/include/linux/sh_eth.h b/include/linux/sh_eth.h
@@ -20,6 +20,7 @@ struct sh_eth_plat_data {
 	unsigned char mac_addr[6];
 	unsigned no_ether_link:1;
 	unsigned ether_link_active_low:1;
+	unsigned needs_init:1;
 };
 
 #endif