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From: Greg KH <gregkh@linuxfoundation.org>
To: Enguerrand de Ribaucourt 
	<enguerrand.de-ribaucourt@savoirfairelinux.com>
Cc: stable@vger.kernel.org, andrew@lunn.ch, Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH v3] net: dp83822: disable rx error interrupt
Date: Tue, 13 Sep 2022 13:30:26 +0200	[thread overview]
Message-ID: <YyBp0mhD2cWibBB9@kroah.com> (raw)
In-Reply-To: <20220913081747.39198-1-enguerrand.de-ribaucourt@savoirfairelinux.com>

On Tue, Sep 13, 2022 at 10:17:48AM +0200, Enguerrand de Ribaucourt wrote:
> Some RX errors, notably when disconnecting the cable, increase the RCSR
> register. Once half full (0x7fff), an interrupt flood is generated. I
> measured ~3k/s interrupts even after the RX errors transfer was
> stopped.
> 
> Since we don't read and clear the RCSR register, we should disable this
> interrupt.
> 
> Fixes: 87461f7a58ab ("net: phy: DP83822 initial driver submission")
> Signed-off-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@savoirfairelinux.com>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> [backport of 5.10 commit 0e597e2affb90d6ea48df6890d882924acf71e19]

Backport to what?  This is already in 5.10, where do you want this
commit applied to?

thanks,

greg k-h

  reply	other threads:[~2022-09-13 11:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07 10:45 [PATCH v3 0/2] net: dp83822: backport fix interrupt floods Enguerrand de Ribaucourt
2022-09-07 10:45 ` [PATCH v3 1/2] net: dp83822: disable false carrier interrupt Enguerrand de Ribaucourt
2022-09-07 10:45 ` [PATCH v3 2/2] net: dp83822: disable rx error interrupt Enguerrand de Ribaucourt
2022-09-08 17:09   ` Greg KH
2022-09-12 10:07     ` Enguerrand de Ribaucourt
2022-09-12 14:39       ` Greg KH
2022-09-13  8:17       ` [PATCH v3] " Enguerrand de Ribaucourt
2022-09-13 11:30         ` Greg KH [this message]
2022-09-14  7:07           ` Enguerrand de Ribaucourt
2022-09-16  9:35             ` Greg KH
2022-09-08 17:07 ` [PATCH v3 0/2] net: dp83822: backport fix interrupt floods Greg KH
2022-09-12 10:02   ` Enguerrand de Ribaucourt

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