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author | David S. Miller <davem@davemloft.net> | 2022-09-16 14:15:15 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2022-09-16 14:15:15 +0300 |
commit | 030eed86cbe10a9e2ce7c3b081d4465d378fda25 (patch) | |
tree | 3f6befe2397d90cb6ce3cd064a3d9095ef40fa39 /drivers/net/ethernet/intel | |
parent | ec3f06b542a960806a81345042e4eee3f8c5dec4 (diff) | |
parent | 2c5e5abf1c4278d5768a79b6bfc7d54cdc96e8df (diff) | |
download | linux-030eed86cbe10a9e2ce7c3b081d4465d378fda25.tar.xz |
Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-09-08 (e1000e, igc)
This series contains updates to e1000e and igc drivers.
Li Zhong adds checking and handling for failed PHY register reads for
e1000e.
Sasha removes an unused define for igc.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.c | 20 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igc/igc_defines.h | 1 |
2 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index fd07c3679bb1..060b263348ce 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -2697,9 +2697,14 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, void e1000_power_up_phy_copper(struct e1000_hw *hw) { u16 mii_reg = 0; + int ret; /* The PHY will retain its settings across a power down/up cycle */ - e1e_rphy(hw, MII_BMCR, &mii_reg); + ret = e1e_rphy(hw, MII_BMCR, &mii_reg); + if (ret) { + e_dbg("Error reading PHY register\n"); + return; + } mii_reg &= ~BMCR_PDOWN; e1e_wphy(hw, MII_BMCR, mii_reg); } @@ -2715,9 +2720,14 @@ void e1000_power_up_phy_copper(struct e1000_hw *hw) void e1000_power_down_phy_copper(struct e1000_hw *hw) { u16 mii_reg = 0; + int ret; /* The PHY will retain its settings across a power down/up cycle */ - e1e_rphy(hw, MII_BMCR, &mii_reg); + ret = e1e_rphy(hw, MII_BMCR, &mii_reg); + if (ret) { + e_dbg("Error reading PHY register\n"); + return; + } mii_reg |= BMCR_PDOWN; e1e_wphy(hw, MII_BMCR, mii_reg); usleep_range(1000, 2000); @@ -3037,7 +3047,11 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) return 0; /* Do not apply workaround if in PHY loopback bit 14 set */ - e1e_rphy(hw, MII_BMCR, &data); + ret_val = e1e_rphy(hw, MII_BMCR, &data); + if (ret_val) { + e_dbg("Error reading PHY register\n"); + return ret_val; + } if (data & BMCR_LOOPBACK) return 0; diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 5c66b97c0cfa..4f9d7f013a95 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -610,7 +610,6 @@ #define IGC_MDIC_OP_WRITE 0x04000000 #define IGC_MDIC_OP_READ 0x08000000 #define IGC_MDIC_READY 0x10000000 -#define IGC_MDIC_INT_EN 0x20000000 #define IGC_MDIC_ERROR 0x40000000 #define IGC_N0_QUEUE -1 |