From e377a063e2c267287f69c7cd3c4400ba900dce48 Mon Sep 17 00:00:00 2001 From: Sasha Neftin Date: Thu, 9 Sep 2021 09:46:18 +0300 Subject: igc: Change Device Reset to Port Reset The _reset_hw_base method switched from port reset (CTRL[26]) to device reset (CTRL[29]) since the FW was receiving an interrupt on CTRL[29]. FW code was later modified to also receive an interrupt on CTRL[26]. Since certain HW values are not reset to default by CTRL[29], we go back to CTRL[26] for the HW reset, as it meets all current requirements. This reverts commit bb4265ec24c1 ("igc: Update the MAC reset flow"). Signed-off-by: Sasha Neftin Tested-by: Nechama Kraus Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc_base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/ethernet/intel/igc/igc_base.c') diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c index 2612a58fc52a..f068b66b8025 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.c +++ b/drivers/net/ethernet/intel/igc/igc_base.c @@ -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_DEV_RST); + wr32(IGC_CTRL, ctrl | IGC_CTRL_RST); ret_val = igc_get_auto_rd_done(hw); if (ret_val) { -- cgit v1.2.3