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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 0/5] net: stmmac: socfpga: fix init ordering and cleanups
Date: Tue, 15 Apr 2025 17:29:28 +0100	[thread overview]
Message-ID: <Z_6JaPBiGu_RB4xN@shell.armlinux.org.uk> (raw)

Hi,

This series fixes the init ordering of the socfpga probe function.
The standard rule is to do all setup before publishing any device,
and socfpga violates that. I can see no reason for this, but these
patches have not been tested on hardware.

Address this by moving the initialisation of dwmac->stmmac_rst
along with all the other dwmac initialisers - there's no reason
for this to be late as plat_dat->stmmac_rst has already been
populated.

Next, replace the call to ops->set_phy_mode() with an init function
socfpga_dwmac_init() which will then be linked in to plat_dat->init.

Then, add this to plat_dat->init, and switch to stmmac_pltfr_pm_ops
from the private ops. The runtime suspend/resume socfpga implementations
are identical to the platform ones, but misses the noirq versions
which this will add.

Next, swap the order of socfpga_dwmac_init() and stmmac_dvr_probe().

Finally, convert to devm_stmmac_pltfr_probe() by moving the call
to ops->set_phy_mode() into an init function appropriately populating
plat_dat->init.

 .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c    | 79 +++++-----------------
 1 file changed, 16 insertions(+), 63 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:[~2025-04-15 16:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-15 16:29 Russell King (Oracle) [this message]
2025-04-15 16:29 ` [PATCH net-next 1/5] net: stmmac: socfpga: init dwmac->stmmac_rst before registration Russell King (Oracle)
2025-04-15 16:29 ` [PATCH net-next 2/5] net: stmmac: socfpga: provide init function Russell King (Oracle)
2025-04-15 16:29 ` [PATCH net-next 3/5] net: stmmac: socfpga: convert to stmmac_pltfr_pm_ops Russell King (Oracle)
2025-04-15 16:29 ` [PATCH net-next 4/5] net: stmmac: socfpga: call set_phy_mode() before registration Russell King (Oracle)
2025-04-15 16:29 ` [PATCH net-next 5/5] net: stmmac: socfpga: convert to devm_stmmac_pltfr_probe() Russell King (Oracle)
2025-04-16  7:53 ` [PATCH net-next 0/5] net: stmmac: socfpga: fix init ordering and cleanups Maxime Chevallier
2025-04-16  8:20   ` Russell King (Oracle)
2025-04-16  8:32     ` Maxime Chevallier

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