From: Alexander Couzens <lynxis@fe80.eu>
To: Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Daniel Golle <daniel@makrotopia.org>,
Alexander Couzens <lynxis@fe80.eu>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH net-next v2 3/5] net: mediatek: sgmii: mtk_pcs_setup_mode_an: don't rely on register defaults
Date: Mon, 19 Sep 2022 10:37:10 +0200 [thread overview]
Message-ID: <20220919083713.730512-4-lynxis@fe80.eu> (raw)
In-Reply-To: <20220919083713.730512-1-lynxis@fe80.eu>
Ensure autonegotiation is enabled.
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
---
drivers/net/ethernet/mediatek/mtk_sgmii.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
index 18de85709e87..6f4c1ca5a36f 100644
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -32,12 +32,13 @@ static int mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs)
regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER,
SGMII_LINK_TIMER_DEFAULT);
+ /* disable remote fault & enable auto neg */
regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val);
- val |= SGMII_REMOTE_FAULT_DIS;
+ val |= SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN;
regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val);
regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val);
- val |= SGMII_AN_RESTART;
+ val |= SGMII_AN_RESTART | SGMII_AN_ENABLE;
regmap_write(mpcs->regmap, SGMSYS_PCS_CONTROL_1, val);
/* Release PHYA power down state
--
2.37.3
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next prev parent reply other threads:[~2022-09-19 8:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-19 8:37 [PATCH net-next v2 0/5] net: mediatek: sgmii stability Alexander Couzens
2022-09-19 8:37 ` [PATCH net-next v2 1/5] net: mediatek: sgmii: fix powering up the SGMII phy Alexander Couzens
2022-09-19 8:37 ` [PATCH net-next v2 2/5] net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration Alexander Couzens
2022-09-19 8:37 ` Alexander Couzens [this message]
2022-09-19 11:29 ` [PATCH net-next v2 3/5] net: mediatek: sgmii: mtk_pcs_setup_mode_an: don't rely on register defaults Russell King (Oracle)
2022-09-19 13:34 ` Alexander 'lynxis' Couzens
2022-09-19 8:37 ` [PATCH net-next v2 4/5] net: mediatek: sgmii: set the speed according to the phy interface in AN Alexander Couzens
2022-09-19 11:15 ` Russell King (Oracle)
2022-09-19 8:37 ` [PATCH net-next v2 5/5] net: mediatek: sgmii: refactor power cycling into mtk_pcs_config() Alexander Couzens
2022-09-19 11:23 ` Russell King (Oracle)
2022-09-19 13:56 ` Alexander 'lynxis' Couzens
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