diff options
| author | Sasha Neftin <sasha.neftin@intel.com> | 2021-09-22 09:55:42 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-10-20 19:06:54 +0300 |
| commit | 639e298f432fb058a9496ea16863f53b1ce935fe (patch) | |
| tree | 32b2e8bfb5243948a5319e917e028b9507528699 /drivers/net/ethernet/intel/e1000e/ich8lan.h | |
| parent | 280db5d420090a24e4e41f9ddcbf37920a598572 (diff) | |
| download | linux-639e298f432fb058a9496ea16863f53b1ce935fe.tar.xz | |
e1000e: Fix packet loss on Tiger Lake and later
Update the HW MAC initialization flow. Do not gate DMA clock from
the modPHY block. Keeping this clock will prevent dropped packets
sent in burst mode on the Kumeran interface.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=213651
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=213377
Fixes: fb776f5d57ee ("e1000e: Add support for Tiger Lake")
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Mark Pearson <markpearson@lenovo.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ich8lan.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h index d6a092e5ee74..2504b11c3169 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.h +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h @@ -289,6 +289,9 @@ /* Proprietary Latency Tolerance Reporting PCI Capability */ #define E1000_PCI_LTR_CAP_LPT 0xA8 +/* Don't gate wake DMA clock */ +#define E1000_FFLT_DBG_DONT_GATE_WAKE_DMA_CLK 0x1000 + void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw); void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, bool state); |