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Date: Sat, 18 Mar 2023 05:40:19 +0000 From: patchwork-bot+netdevbpf@...nel.org To: Klaus Kudielka <klaus.kudielka@...il.com> Cc: andrew@...n.ch, f.fainelli@...il.com, olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, richardcochran@...il.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next v4 0/4] net: dsa: mv88e6xxx: accelerate C45 scan Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski <kuba@...nel.org>: On Wed, 15 Mar 2023 17:38:42 +0100 you wrote: > Starting with commit 1a136ca2e089 ("net: mdio: scan bus based on bus > capabilities for C22 and C45"), mdiobus_scan_bus_c45() is being called on > buses with MDIOBUS_NO_CAP. On a Turris Omnia (Armada 385, 88E6176 switch), > this causes a significant increase of boot time, from 1.6 seconds, to 6.3 > seconds. The boot time stated here is until start of /init. > > Further testing revealed that the C45 scan is indeed expensive (around > 2.7 seconds, due to a huge number of bus transactions), and called twice. > > [...] Here is the summary with links: - [net-next,v4,1/4] net: dsa: mv88e6xxx: don't dispose of Global2 IRQ mappings from mdiobus code https://git.kernel.org/netdev/net-next/c/b1a2de9ccfe6 - [net-next,v4,2/4] net: dsa: mv88e6xxx: re-order functions https://git.kernel.org/netdev/net-next/c/f1bee740fa82 - [net-next,v4,3/4] net: dsa: mv88e6xxx: move call to mv88e6xxx_mdios_register() https://git.kernel.org/netdev/net-next/c/2cb0658d4f88 - [net-next,v4,4/4] net: dsa: mv88e6xxx: mask apparently non-existing phys during probing https://git.kernel.org/netdev/net-next/c/2c7e46edbd03 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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