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authorDon Skidmore <donald.c.skidmore@intel.com>2009-07-02 12:50:12 +0000
committerDavid S. Miller <davem@davemloft.net>2009-07-03 19:10:55 -0700
commit63d6e1d80a8c3118be2ca0f1f21ba883f282060c (patch)
treea1bd149312f64d88b7e1acf585568964b6ed805f
parente332471c035708441de89d4c59f7f7cdc2700c0d (diff)
ixgbe: fix issues with failing to detect insert of unsupported module
Several small fixes around negative test case of the insertion of a IXGBE_ERR_NOT_SUPPORTED module. - mdio45_probe call was always failing due to mdio.prtad not being set. The function set to mdio.mdio_read was still working as we just happen to always be at prtad == 0. This will allow us to set the phy_id and phy.type correctly now. - There was timing issue with i2c calls when initiated from a tasklet. A small delay was added to allow the electrical oscillation to calm down. - Logic change in ixgbe_sfp_task that allows NOT_SUPPORTED condition to be recognized. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c8
-rw-r--r--drivers/net/ixgbe/ixgbe_phy.c3
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 5588ef493a3..aaf482c0d52 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3724,7 +3724,7 @@ static void ixgbe_sfp_task(struct work_struct *work)
if ((hw->phy.type == ixgbe_phy_nl) &&
(hw->phy.sfp_type == ixgbe_sfp_type_not_present)) {
s32 ret = hw->phy.ops.identify_sfp(hw);
- if (ret)
+ if (ret == IXGBE_ERR_SFP_NOT_PRESENT)
goto reschedule;
ret = hw->phy.ops.reset(hw);
if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) {
@@ -4534,13 +4534,17 @@ static void ixgbe_sfp_config_module_task(struct work_struct *work)
u32 err;
adapter->flags |= IXGBE_FLAG_IN_SFP_MOD_TASK;
+
+ /* Time for electrical oscillations to settle down */
+ msleep(100);
err = hw->phy.ops.identify_sfp(hw);
+
if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
dev_err(&adapter->pdev->dev, "failed to initialize because "
"an unsupported SFP+ module type was detected.\n"
"Reload the driver after installing a supported "
"module.\n");
- ixgbe_down(adapter);
+ unregister_netdev(adapter->netdev);
return;
}
hw->mac.ops.setup_sfp(hw);
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 453e966762f..9ecad17522c 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -60,6 +60,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
if (hw->phy.type == ixgbe_phy_unknown) {
for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
+ hw->phy.mdio.prtad = phy_addr;
if (mdio45_probe(&hw->phy.mdio, phy_addr) == 0) {
ixgbe_get_phy_id(hw);
hw->phy.type =
@@ -68,6 +69,8 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
break;
}
}
+ /* clear value if nothing found */
+ hw->phy.mdio.prtad = 0;
} else {
status = 0;
}