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From: Wenzhuo Lu <wenzhuo.lu@intel.com>
To: dev@dpdk.org
Date: Wed, 24 Jun 2015 11:25:58 +0800
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Subject: [dpdk-dev] [PATCH 09/37] ixgbe/base: power down the x550em PHY on
overtemp events
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This patch powers down the x550em PHY on over-temp events. The
PHY firmware is supposed to do this autonomously but that isn't
implemented. The short-term stop-gap solution is for SW to power
down the PHY when it reports an overtemp event.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ixgbe/base/ixgbe_x550.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index 1ae79d1..57ecaac 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -1193,8 +1193,11 @@ STATIC s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
return status;
/* If high temperature failure, then return over temp error and exit */
- if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL)
+ if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
+ /* power down the PHY in case the PHY FW didn't already */
+ ixgbe_set_copper_phy_power(hw, false);
return IXGBE_ERR_OVERTEMP;
+ }
/* Vendor alarm 2 triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
--
1.9.3