netdev - [PATCH net-next 00/11] net: stmmac: cleanup transmit clock setting

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Message-ID: <Z8AtX-wyPal1auVO@shell.armlinux.org.uk>
Date: Thu, 27 Feb 2025 09:16:15 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Drew Fustini <drew@...7.com>,
	Emil Renner Berthing <kernel@...il.dk>,
	Eric Dumazet <edumazet@...gle.com>,
	Fabio Estevam <festevam@...il.com>, Fu Wei <wefu@...hat.com>,
	Guo Ren <guoren@...nel.org>, imx@...ts.linux.dev,
	Jakub Kicinski <kuba@...nel.org>,
	Jan Petrous <jan.petrous@....nxp.com>,
	Jerome Brunet <jbrunet@...libre.com>,
	Kevin Hilman <khilman@...libre.com>,
	linux-amlogic@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-riscv@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Minda Chen <minda.chen@...rfivetech.com>,
	Neil Armstrong <neil.armstrong@...aro.org>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH net-next 00/11] net: stmmac: cleanup transmit clock setting

Hi,

A lot of stmmac platform code which sets the transmit clock is very
similar - they decode the speed to the clock rate (125, 25 or 2.5 MHz)
and then set a clock to that rate.

The DWMAC core appears to have a clock input for the transmit section
called clk_tx_i which requires this rate.

This series moves the code which sets this clock into the core stmmac
code.

Patch 1 adds a hook that platforms can use to configure the clock rate.
Patch 2 adds a generic implementation.
The remainder of the patches convert the glue code for various platforms
to use this new infrastructure.

Changes since RFC: fix build errors, add Thierry Reding's r-b. More
platform glue conversions.

 .../ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c    | 10 +----
 drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c    | 21 ++++++++++-
 .../net/ethernet/stmicro/stmmac/dwmac-intel-plat.c | 24 ++----------
 .../net/ethernet/stmicro/stmmac/dwmac-ipq806x.c    |  9 +++--
 drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c  |  9 +++--
 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c     | 10 +++--
 drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c    | 22 ++---------
 .../net/ethernet/stmicro/stmmac/dwmac-starfive.c   | 26 ++-----------
 drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c  | 18 +++++----
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |  2 +
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  | 43 ++++++++++++++++++++++
 include/linux/stmmac.h                             |  4 ++
 12 files changed, 108 insertions(+), 90 deletions(-)

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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