X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fethernet%2Fintel%2Figb%2Fe1000_i210.c;fp=kernel%2Fdrivers%2Fnet%2Fethernet%2Fintel%2Figb%2Fe1000_i210.c;h=29f59c76878a59a61e4e7d61a084b25db33e8726;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=65d931669f813bbcca0a21cc13a68c53663b03ee;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/net/ethernet/intel/igb/e1000_i210.c b/kernel/drivers/net/ethernet/intel/igb/e1000_i210.c
index 65d931669..29f59c768 100644
--- a/kernel/drivers/net/ethernet/intel/igb/e1000_i210.c
+++ b/kernel/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -900,3 +900,30 @@ s32 igb_pll_workaround_i210(struct e1000_hw *hw)
 	wr32(E1000_MDICNFG, mdicnfg);
 	return ret_val;
 }
+
+/**
+ *  igb_get_cfg_done_i210 - Read config done bit
+ *  @hw: pointer to the HW structure
+ *
+ *  Read the management control register for the config done bit for
+ *  completion status.  NOTE: silicon which is EEPROM-less will fail trying
+ *  to read the config done bit, so an error is *ONLY* logged and returns
+ *  0.  If we were to return with error, EEPROM-less silicon
+ *  would not be able to be reset or change link.
+ **/
+s32 igb_get_cfg_done_i210(struct e1000_hw *hw)
+{
+	s32 timeout = PHY_CFG_TIMEOUT;
+	u32 mask = E1000_NVM_CFG_DONE_PORT_0;
+
+	while (timeout) {
+		if (rd32(E1000_EEMNGCTL_I210) & mask)
+			break;
+		usleep_range(1000, 2000);
+		timeout--;
+	}
+	if (!timeout)
+		hw_dbg("MNG configuration cycle has not completed.\n");
+
+	return 0;
+}