amd-xgbe: Limit the I2C error messages that are output

When I2C communication fails, it tends to always fail. Rather than
continuously issue an error message (once per second in most cases),
change the message to be issued just once.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index b8be62e273c0979943799a5a3c39cf153a3bd518..04b5c149cacac286ad5635cb3f32ee0d7d3f6645 100644 (file)
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -1121,7 +1121,8 @@ static int xgbe_phy_sfp_read_eeprom(struct xgbe_prv_data *pdata)
 
        ret = xgbe_phy_sfp_get_mux(pdata);
        if (ret) {
-               netdev_err(pdata->netdev, "I2C error setting SFP MUX\n");
+               dev_err_once(pdata->dev, "%s: I2C error setting SFP MUX\n",
+                            netdev_name(pdata->netdev));
                return ret;
        }
 
@@ -1131,7 +1132,8 @@ static int xgbe_phy_sfp_read_eeprom(struct xgbe_prv_data *pdata)
                                &eeprom_addr, sizeof(eeprom_addr),
                                &sfp_eeprom, sizeof(sfp_eeprom));
        if (ret) {
-               netdev_err(pdata->netdev, "I2C error reading SFP EEPROM\n");
+               dev_err_once(pdata->dev, "%s: I2C error reading SFP EEPROM\n",
+                            netdev_name(pdata->netdev));
                goto put;
        }
 
@@ -1190,7 +1192,8 @@ static void xgbe_phy_sfp_signals(struct xgbe_prv_data *pdata)
                                &gpio_reg, sizeof(gpio_reg),
                                gpio_ports, sizeof(gpio_ports));
        if (ret) {
-               netdev_err(pdata->netdev, "I2C error reading SFP GPIOs\n");
+               dev_err_once(pdata->dev, "%s: I2C error reading SFP GPIOs\n",
+                            netdev_name(pdata->netdev));
                return;
        }