netdev - Re: [PATCH] sh_eth: add missing checks for status bits

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Message-ID: <aad0720f-2515-f1a0-d3ee-310562267594@cogentembedded.com>
Date:   Thu, 1 Dec 2016 13:24:18 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Chris Brandt <chris.brandt@...esas.com>,
        David Miller <davem@...emloft.net>
Cc:     Simon Horman <horms+renesas@...ge.net.au>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] sh_eth: add missing checks for status bits

Hello!

    Please always CC me on the sh_eth/ravb driver patches as directed by 
scripts/get_maintainer.pl.

On 11/30/2016 11:01 PM, Chris Brandt wrote:

> When streaming a lot of data and the RZ can't keep up, some status bits
> will get set that are not being checked or cleared which cause the
> following messages and the Ethernet driver to stop working. This
> patch fixes that issue.

    Perhaps we should just clear the correspoding bits in EESIPR instead? They 
are not set for any other SoC...

> irq 21: nobody cared (try booting with the "irqpoll" option)
> handlers:
> [<c036b71c>] sh_eth_interrupt
> Disabling IRQ #21
>
> Fixes: db893473d313a4ad ("sh_eth: Add support for r7s72100")
> Signed-off-by: Chris Brandt <chris.brandt@...esas.com>

MBR, Sergei