diff mbox series

[v1,04/24] net/igc/base: increase PHY power up delay

Message ID 194882f1b3168225d05b1a8b647c5dea84f481a2.1738858026.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted
Delegated to: Bruce Richardson
Headers
Series Fixes for igc and e1000 |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Burakov, Anatoly Feb. 6, 2025, 4:08 p.m. UTC 
From: Sasha Neftin <sasha.neftin@intel.com>

PHY specification for i225 requires 300 microsecond delay after power up
sequence, so increase the delay after power up to 300 microseconds.

Fixes: 8cb7c57d9b3c ("net/igc: support device initialization")
Cc: stable@dpdk.org

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 drivers/net/intel/igc/base/igc_phy.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/net/intel/igc/base/igc_phy.c b/drivers/net/intel/igc/base/igc_phy.c
index ddc2b6ecc1..706f037f0e 100644
--- a/drivers/net/intel/igc/base/igc_phy.c
+++ b/drivers/net/intel/igc/base/igc_phy.c
@@ -3523,6 +3523,7 @@  void igc_power_up_phy_copper(struct igc_hw *hw)
 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
 	mii_reg &= ~MII_CR_POWER_DOWN;
 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
+	usec_delay(300);
 }
 
 /**