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 <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 8f53b5ac7f05..5a5afbc7273b 100644
--- 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
index 2076acf8294d..b17d765ded84 100644
--- 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