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igc: Update the MAC reset flow

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Use Device Reset flow instead of Port Reset flow.
This flow performs a reset of the entire controller device,
resulting in a state nearly approximating the state
following a power-up reset or internal PCIe reset,
except for system PCI configuration.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Sasha Neftin 2019-06-26 08:53:47 +03:00 committed by Jeff Kirsher
parent 6145787d5e
commit bb4265ec24
2 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/ethernet/intel/igc/igc_base.c
View file

@ -40,7 +40,7 @@ static s32 igc_reset_hw_base(struct igc_hw *hw)
ctrl = rd32(IGC_CTRL);
hw_dbg("Issuing a global reset to MAC\n");
wr32(IGC_CTRL, ctrl | IGC_CTRL_RST);
wr32(IGC_CTRL, ctrl | IGC_CTRL_DEV_RST);
ret_val = igc_get_auto_rd_done(hw);
if (ret_val) {

2
drivers/net/ethernet/intel/igc/igc_defines.h
View file

@ -54,7 +54,7 @@
#define IGC_ERR_SWFW_SYNC 13
/* Device Control */
#define IGC_CTRL_RST 0x04000000 /* Global reset */
#define IGC_CTRL_DEV_RST 0x20000000 /* Device reset */
#define IGC_CTRL_PHY_RST 0x80000000 /* PHY Reset */
#define IGC_CTRL_SLU 0x00000040 /* Set link up (Force Link) */