[PATCH v2 01/30] net/ixgbe/base: fix PHY reset check for x550em-ext
From: Wei Dai <hidden>
Date: 2016-12-21 09:47:45
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
PHY type ixgbe_phy_x550em_ext_t requires different check
to verify reset status.
Fixes: af75078fece3 ("first public release")
CC: stable@dpdk.org
Signed-off-by: Wei Dai <redacted>
---
drivers/net/ixgbe/base/ixgbe_phy.c | 29 ++++++++++++++++++++++++-----
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_phy.c b/drivers/net/ixgbe/base/ixgbe_phy.c
index 43c55d7..1d9fb3e 100644
--- a/drivers/net/ixgbe/base/ixgbe_phy.c
+++ b/drivers/net/ixgbe/base/ixgbe_phy.c@@ -528,11 +528,30 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw) */ for (i = 0; i < 30; i++) { msec_delay(100); - hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL, - IXGBE_MDIO_PHY_XS_DEV_TYPE, &ctrl); - if (!(ctrl & IXGBE_MDIO_PHY_XS_RESET)) { - usec_delay(2); - break; + if (hw->phy.type == ixgbe_phy_x550em_ext_t) { + status = hw->phy.ops.read_reg(hw, + IXGBE_MDIO_TX_VENDOR_ALARMS_3, + IXGBE_MDIO_PMA_PMD_DEV_TYPE, + &ctrl); + if (status != IXGBE_SUCCESS) + return status; + + if (ctrl & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) { + usec_delay(2); + break; + } + } else { + status = hw->phy.ops.read_reg(hw, + IXGBE_MDIO_PHY_XS_CONTROL, + IXGBE_MDIO_PHY_XS_DEV_TYPE, + &ctrl); + if (status != IXGBE_SUCCESS) + return status; + + if (!(ctrl & IXGBE_MDIO_PHY_XS_RESET)) { + usec_delay(2); + break; + } } }
--
2.7.4