| From 25b0c75a25e223f59007278ddae307d760bce6f1 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Mon, 28 Jul 2025 17:29:16 +0200 |
| Subject: net: phy: smsc: add proper reset flags for LAN8710A |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| From: Buday Csaba <buday.csaba@prolan.hu> |
| |
| [ Upstream commit 57ec5a8735dc5dccd1ee68afdb1114956a3fce0d ] |
| |
| According to the LAN8710A datasheet (Rev. B, section 3.8.5.1), a hardware |
| reset is required after power-on, and the reference clock (REF_CLK) must be |
| established before asserting reset. |
| |
| Signed-off-by: Buday Csaba <buday.csaba@prolan.hu> |
| Cc: Csókás Bence <csokas.bence@prolan.hu> |
| Reviewed-by: Andrew Lunn <andrew@lunn.ch> |
| Link: https://patch.msgid.link/20250728152916.46249-2-csokas.bence@prolan.hu |
| Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| drivers/net/phy/smsc.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c |
| index 5186cc97c655..cf72aae88fbd 100644 |
| --- a/drivers/net/phy/smsc.c |
| +++ b/drivers/net/phy/smsc.c |
| @@ -424,6 +424,7 @@ static struct phy_driver smsc_phy_driver[] = { |
| |
| /* PHY_BASIC_FEATURES */ |
| |
| + .flags = PHY_RST_AFTER_CLK_EN, |
| .probe = smsc_phy_probe, |
| |
| /* basic functions */ |
| -- |
| 2.39.5 |
| |
