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>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 8f53b5a..5a5afbc 100644 (file)
--- 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 2076acf..b17d765 100644 (file)
--- 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