diff options
author | Jakub Kicinski <kuba@kernel.org> | 2025-01-08 19:33:26 -0800 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2025-01-08 19:33:26 -0800 |
commit | 4460e45700e77b455b64b604c6acb5a2fd2fd66b (patch) | |
tree | 3156dc43e4200e697bba87da7bd72ae2e0d96c79 /drivers/net/ethernet/intel/igc/igc_base.c | |
parent | 6730ee8f083cd263b0380b60b3ee74262e94b38e (diff) | |
parent | bd2776e39c2a82ef4681d02678bb77b3d41e79be (diff) |
Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-01-07 (ice, igc)
For ice:
Arkadiusz corrects mask value being used to determine DPLL phase range.
Przemyslaw corrects frequency value for E823 devices.
For igc:
En-Wei Wu adds a check and, early, return for failed register read.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
igc: return early when failing to read EECD register
ice: fix incorrect PHY settings for 100 GB/s
ice: fix max values for dpll pin phase adjust
====================
Link: https://patch.msgid.link/20250107190150.1758577-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_base.c')
-rw-r--r-- | drivers/net/ethernet/intel/igc/igc_base.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c index 9fae8bdec2a7..1613b562d17c 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.c +++ b/drivers/net/ethernet/intel/igc/igc_base.c @@ -68,6 +68,10 @@ static s32 igc_init_nvm_params_base(struct igc_hw *hw) u32 eecd = rd32(IGC_EECD); u16 size; + /* failed to read reg and got all F's */ + if (!(~eecd)) + return -ENXIO; + size = FIELD_GET(IGC_EECD_SIZE_EX_MASK, eecd); /* Added to a constant, "size" becomes the left-shift value @@ -221,6 +225,8 @@ static s32 igc_get_invariants_base(struct igc_hw *hw) /* NVM initialization */ ret_val = igc_init_nvm_params_base(hw); + if (ret_val) + goto out; switch (hw->mac.type) { case igc_i225: ret_val = igc_init_nvm_params_i225(hw); |