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authorKhoronzhuk, Ivan <ivan.khoronzhuk@ti.com>2014-10-17 20:44:33 +0300
committerTom Rini <trini@ti.com>2014-10-23 11:27:28 -0400
commit1920e905efcd528b43535e0b19f6b433d321fa76 (patch)
tree619e06334c87a0e7810f80f086351a4906b4b025 /drivers
parentadc9a79f3f7c6d79f32048598f4d18cf0f48180f (diff)
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net: keystone_net: use mdio_reset function
Don't use mdio_enable twice while eth open. Also rename it to keystone2_mdio_reset as more appropriate name. Acked-by: Vitaly Andrianov <vitalya@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/keystone_net.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/net/keystone_net.c b/drivers/net/keystone_net.c
index 8a45fbd..3f9650c 100644
--- a/drivers/net/keystone_net.c
+++ b/drivers/net/keystone_net.c
@@ -38,7 +38,6 @@ struct rx_buff_desc net_rx_buffs = {
.rx_flow = 22,
};
-static void keystone2_eth_mdio_enable(void);
static void keystone2_net_serdes_setup(void);
static int gen_get_link_speed(int phy_addr);
@@ -71,7 +70,7 @@ int keystone2_eth_read_mac_addr(struct eth_device *dev)
return 0;
}
-static void keystone2_eth_mdio_enable(void)
+static void keystone2_mdio_reset(void)
{
u_int32_t clkdiv;
@@ -397,7 +396,6 @@ int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num)
/* Eth device open */
static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
{
- u_int32_t clkdiv;
int link;
struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
@@ -410,9 +408,6 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
keystone2_net_serdes_setup();
- if (sys_has_mdio)
- keystone2_eth_mdio_enable();
-
keystone_sgmii_config(eth_priv->slave_port - 1,
eth_priv->sgmii_link_type);
@@ -440,14 +435,7 @@ static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
hw_config_streaming_switch();
if (sys_has_mdio) {
- /* Init MDIO & get link state */
- clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
- writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE |
- MDIO_CONTROL_FAULT, &adap_mdio->control)
- ;
-
- /* We need to wait for MDIO to start */
- udelay(1000);
+ keystone2_mdio_reset();
link = keystone_get_link_status(dev);
if (link == 0) {