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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>
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-stm32@st-md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>
Subject: [PATCH net-next v2 00/11] net: stmmac: mdio cleanups
Date: Thu, 4 Sep 2025 13:10:42 +0100	[thread overview]
Message-ID: <aLmBwsMdW__XBv7g@shell.armlinux.org.uk> (raw)

On Wed, Sep 03, 2025 at 01:38:57PM +0100, Russell King (Oracle) wrote:
Hi,

Clean up the stmmac MDIO code:
- provide an address register formatter to avoid repeated code
- provide a common function to wait for the busy bit to clear
- pre-compute the CR field (mdio clock divider)
- move address formatter into read/write functions
- combine the read/write functions into a common accessor function
- move runtime PM handling into common accessor function
- rename register constants to better reflect manufacturer names
- move stmmac_clk_csr_set() into stmmac_mdio
- make stmmac_clk_csr_set() return the CR field value and remove
  priv->clk_csr
- clean up if() range tests in stmmac_clk_csr_set()
- use STMMAC_CSR_xxx definitions in initialisers

Untested on hardware; would be grateful for any testing people can do.

v2: add "Return:" to patch 1 and 9

 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c  |   5 +-
 .../net/ethernet/stmicro/stmmac/dwmac-loongson.c   |   3 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac.h       |   2 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  |  82 -----
 drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c  | 345 ++++++++++++---------
 drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c   |   5 +-
 6 files changed, 207 insertions(+), 235 deletions(-)

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!


             reply	other threads:[~2025-09-04 16:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-04 12:10 Russell King (Oracle) [this message]
2025-09-04 12:11 ` [PATCH net-next v2 01/11] net: stmmac: mdio: provide address register formatter Russell King (Oracle)
2025-09-04 18:56   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 02/11] net: stmmac: mdio: provide stmmac_mdio_wait() Russell King (Oracle)
2025-09-04 18:56   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 03/11] net: stmmac: mdio: provide priv->gmii_address_bus_config Russell King (Oracle)
2025-09-04 18:57   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 04/11] net: stmmac: mdio: move stmmac_mdio_format_addr() into read/write Russell King (Oracle)
2025-09-04 18:58   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 05/11] net: stmmac: mdio: merge stmmac_mdio_read() and stmmac_mdio_write() Russell King (Oracle)
2025-09-04 19:00   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 06/11] net: stmmac: mdio: move runtime PM into stmmac_mdio_access() Russell King (Oracle)
2025-09-04 19:01   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 07/11] net: stmmac: mdio: improve mdio register field definitions Russell King (Oracle)
2025-09-04 19:02   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 08/11] net: stmmac: mdio: move initialisation of priv->clk_csr to stmmac_mdio Russell King (Oracle)
2025-09-04 19:04   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 09/11] net: stmmac: mdio: return clk_csr value from stmmac_clk_csr_set() Russell King (Oracle)
2025-09-04 19:05   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 10/11] net: stmmac: mdio: remove redundant clock rate tests Russell King (Oracle)
2025-09-04 19:06   ` Andrew Lunn
2025-09-04 12:11 ` [PATCH net-next v2 11/11] net: stmmac: use STMMAC_CSR_xxx definitions in platform glue Russell King (Oracle)
2025-09-04 19:06   ` Andrew Lunn
2025-09-05 13:30 ` [PATCH net-next v2 00/11] net: stmmac: mdio cleanups Mohd Ayaan Anwar

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