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Subject: Re: [PATCH net-next] net: phy: micrel: Change handler interrupt for
 lan8814
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <167306281658.4583.1807795313935970592.git-patchwork-notify@kernel.org>
Date:   Sat, 07 Jan 2023 03:40:16 +0000
References: <20230104194218.3785229-1-horatiu.vultur@microchip.com>
In-Reply-To: <20230104194218.3785229-1-horatiu.vultur@microchip.com>
To:     Horatiu Vultur <horatiu.vultur@microchip.com>
Cc:     netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
        davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
        pabeni@redhat.com, richardcochran@gmail.com
Precedence: bulk

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 4 Jan 2023 20:42:18 +0100 you wrote:
> The lan8814 represents a package of 4 PHYs. All of them are sharing the
> same interrupt line. So when a link was going down/up or a frame was
> timestamped, then the interrupt handler of all the PHYs was called.
> Which is all fine and expected but the problem is the way the handler
> interrupt works.
> Basically if one of the PHYs timestamp a frame, then all the other 3
> PHYs were polling the status of the interrupt until that PHY actually
> cleared the interrupt by reading the timestamp.
> The reason of polling was in case another PHY was also timestamping a
> frame at the same time, it could miss this interrupt. But this is not
> the right approach, because it is the interrupt controller who needs to
> call the interrupt handlers again if the interrupt line is still
> active.
> Therefore change this such when the interrupt handler is called check
> only if the interrupt is for itself, otherwise just exit. In this way
> save CPU usage.
> 
> [...]

Here is the summary with links:
  - [net-next] net: phy: micrel: Change handler interrupt for lan8814
    https://git.kernel.org/netdev/net-next/c/7abd92a5b98f

You are awesome, thank you!
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