From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com,
Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
Vinod Koul <vkoul@kernel.org>
Subject: [PATCH RFC net-next+previous 0/9] net: stmmac: qcom-ethqos: further updates
Date: Thu, 19 Feb 2026 12:49:08 +0000 [thread overview]
Message-ID: <aZcGxDBwfMXHbo_O@shell.armlinux.org.uk> (raw)
This is part 2 of the qcom-ethqos series, building on the previous
series which can be found at
https://lore.kernel.org/r/aY0aJppQWUC52OUq@shell.armlinux.org.uk
This part of the series focuses on the generic PHY driver, but these
changes have dependencies on the ethernet driver, hence why
it will need to go via net-next. Furthermore, subsequent changes
depend on these patches.
The underlying ideas here are:
- get rid of the driver using phy_set_speed() with SPEED_1000 and
SPEED_2500 which makes no sense for an ethernet SerDes due to the
PCS 8B10B data encoding, which inflates the data rate at the SerDes
compared to the MAC.
- allow phy_power_on() / phy_set_mode*() to be called in any order.
I've included the set_clk_tx_rate() patch as that was tested, which
would make applying this series awkward to apply without it.
Mohd, please could you test this series - I'm hoping it will pass with
flying colours as there should be no change to the order in which we
program the hardware. Thanks.
.../ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 52 +++++++-----------
drivers/phy/qualcomm/phy-qcom-sgmii-eth.c | 62 +++++++++++++++++-----
2 files changed, 68 insertions(+), 46 deletions(-)
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next reply other threads:[~2026-02-19 12:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-19 12:49 Russell King (Oracle) [this message]
2026-02-19 12:50 ` [PATCH RFC net-next+ 1/9] net: stmmac: qcom-ethqos: convert to set_clk_tx_rate() method Russell King (Oracle)
2026-02-19 12:50 ` [PATCH RFC net-next+ 2/9] net: stmmac: qcom-ethqos: move ethqos_set_serdes_speed() Russell King (Oracle)
2026-02-23 9:52 ` Mohd Ayaan Anwar
2026-02-19 12:50 ` [PATCH RFC net-next+ 3/9] phy: qcom-sgmii-eth: add .set_mode() and .validate() methods Russell King (Oracle)
2026-02-19 12:50 ` [PATCH RFC net-next+ 4/9] net: stmmac: qcom-ethqos: convert to use phy_set_mode_ext() Russell King (Oracle)
2026-02-23 9:44 ` Mohd Ayaan Anwar
2026-02-19 12:50 ` [PATCH RFC net-next+ 5/9] phy: qcom-sgmii-eth: remove .set_speed() implementation Russell King (Oracle)
2026-02-19 12:50 ` [PATCH RFC net-next+ 6/9] phy: qcom-sgmii-eth: use PHY interface mode for SerDes settings Russell King (Oracle)
2026-02-19 12:50 ` [PATCH RFC net-next+ 7/9] phy: qcom-sgmii-eth: remove qcom_dwmac_sgmii_phy_interface() Russell King (Oracle)
2026-02-19 12:51 ` [PATCH RFC net-next+ 8/9] phy: qcom-sgmii-eth: relax order of .power_on() vs .set_mode*() Russell King (Oracle)
2026-02-19 12:51 ` [PATCH RFC net-next+ 9/9] net: stmmac: qcom-ethqos: remove phy_set_mode_ext() after phy_power_on() Russell King (Oracle)
2026-02-23 9:54 ` Mohd Ayaan Anwar
2026-02-23 9:49 ` [PATCH RFC net-next+previous 0/9] net: stmmac: qcom-ethqos: further updates Mohd Ayaan Anwar
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