On Wed, Sep 07, 2022 at 12:45:59PM +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@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> [backport of 5.10 commit 0e597e2affb90d6ea48df6890d882924acf71e19]
> ---
> drivers/net/phy/dp83822.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Does not apply to 5.4.y or 4.19.y :(
