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From: patchwork-bot+netdevbpf@kernel.org
To: Yao Zi <ziyao@disroot.org>
Cc: fustini@kernel.org, guoren@kernel.org, wefu@redhat.com,
	andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alex@ghiti.fr,
	emil.renner.berthing@canonical.com, jszhang@kernel.org,
	linux-riscv@lists.infradead.org, netdev@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3 0/3] Fix broken link with TH1520 GMAC when linkspeed changes
Date: Tue, 12 Aug 2025 12:31:53 +0000	[thread overview]
Message-ID: <175500191323.2536290.8876313312572303826.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250808093655.48074-2-ziyao@disroot.org>

Hello:

This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Fri,  8 Aug 2025 09:36:53 +0000 you wrote:
> It's noted that on TH1520 SoC, the GMAC's link becomes broken after
> the link speed is changed (for example, running ethtool -s eth0 speed
> 100 on the peer when negotiated to 1Gbps), but the GMAC could function
> normally if the speed is brought back to the initial.
> 
> Just like many other SoCs utilizing STMMAC IP, we need to adjust the TX
> clock supplying TH1520's GMAC through some SoC-specific glue registers
> when linkspeed changes. But it's found that after the full kernel
> startup, reading from them results in garbage and writing to them makes
> no effect, which is the cause of broken link.
> 
> [...]

Here is the summary with links:
  - [net,v3,1/3] dt-bindings: net: thead,th1520-gmac: Describe APB interface clock
    https://git.kernel.org/netdev/net/c/c8a9a619c072
  - [net,v3,2/3] net: stmmac: thead: Get and enable APB clock on initialization
    https://git.kernel.org/netdev/net/c/4cc339ce482b
  - [net,v3,3/3] riscv: dts: thead: Add APB clocks for TH1520 GMACs
    https://git.kernel.org/netdev/net/c/a7f75e2883c4

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



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WARNING: multiple messages have this Message-ID (diff)
From: patchwork-bot+netdevbpf@kernel.org
To: Yao Zi <ziyao@disroot.org>
Cc: fustini@kernel.org, guoren@kernel.org, wefu@redhat.com,
	andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alex@ghiti.fr,
	emil.renner.berthing@canonical.com, jszhang@kernel.org,
	linux-riscv@lists.infradead.org, netdev@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3 0/3] Fix broken link with TH1520 GMAC when linkspeed changes
Date: Tue, 12 Aug 2025 12:31:53 +0000	[thread overview]
Message-ID: <175500191323.2536290.8876313312572303826.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250808093655.48074-2-ziyao@disroot.org>

Hello:

This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Fri,  8 Aug 2025 09:36:53 +0000 you wrote:
> It's noted that on TH1520 SoC, the GMAC's link becomes broken after
> the link speed is changed (for example, running ethtool -s eth0 speed
> 100 on the peer when negotiated to 1Gbps), but the GMAC could function
> normally if the speed is brought back to the initial.
> 
> Just like many other SoCs utilizing STMMAC IP, we need to adjust the TX
> clock supplying TH1520's GMAC through some SoC-specific glue registers
> when linkspeed changes. But it's found that after the full kernel
> startup, reading from them results in garbage and writing to them makes
> no effect, which is the cause of broken link.
> 
> [...]

Here is the summary with links:
  - [net,v3,1/3] dt-bindings: net: thead,th1520-gmac: Describe APB interface clock
    https://git.kernel.org/netdev/net/c/c8a9a619c072
  - [net,v3,2/3] net: stmmac: thead: Get and enable APB clock on initialization
    https://git.kernel.org/netdev/net/c/4cc339ce482b
  - [net,v3,3/3] riscv: dts: thead: Add APB clocks for TH1520 GMACs
    https://git.kernel.org/netdev/net/c/a7f75e2883c4

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



  parent reply	other threads:[~2025-08-12 16:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-08  9:36 [PATCH net v3 0/3] Fix broken link with TH1520 GMAC when linkspeed changes Yao Zi
2025-08-08  9:36 ` Yao Zi
2025-08-08  9:36 ` [PATCH net v3 1/3] dt-bindings: net: thead,th1520-gmac: Describe APB interface clock Yao Zi
2025-08-08  9:36   ` Yao Zi
2025-08-08  9:36 ` [PATCH net v3 2/3] net: stmmac: thead: Get and enable APB clock on initialization Yao Zi
2025-08-08  9:36   ` Yao Zi
2025-08-08 22:42   ` Drew Fustini
2025-08-08 22:42     ` Drew Fustini
2025-08-08  9:36 ` [PATCH net v3 3/3] riscv: dts: thead: Add APB clocks for TH1520 GMACs Yao Zi
2025-08-08  9:36   ` Yao Zi
2025-08-12 12:31 ` patchwork-bot+netdevbpf [this message]
2025-08-12 12:31   ` [PATCH net v3 0/3] Fix broken link with TH1520 GMAC when linkspeed changes patchwork-bot+netdevbpf

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