linux-kernel - Re: [PATCH v3] can: m_can: add support for handling arbitration error

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Message-ID: <51e2e2bf-1798-941c-79e4-d1339d4095a2@pengutronix.de>
Date:   Wed, 6 Nov 2019 11:35:00 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Pankaj Sharma <pankj.sharma@...sung.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     wg@...ndegger.com, davem@...emloft.net, pankaj.dubey@...sung.com,
        rcsekar@...sung.com, jhofstee@...tronenergy.com,
        simon.horman@...ronome.com, Sriram Dash <sriram.dash@...sung.com>
Subject: Re: [PATCH v3] can: m_can: add support for handling arbitration error

On 10/30/19 12:38 PM, Pankaj Sharma wrote:
> The Bosch MCAN hardware (3.1.0 and above) supports interrupt flag to
> detect Protocol error in arbitration phase.
> 
> Transmit error statistics is currently not updated from the MCAN driver.
> Protocol error in arbitration phase is a TX error and the network
> statistics should be updated accordingly.
> 
> The member "tx_error" of "struct net_device_stats" should be incremented
> as arbitration is a transmit protocol error. Also "arbitration_lost" of
> "struct can_device_stats" should be incremented to report arbitration
> lost.
> 
> Signed-off-by: Pankaj Sharma <pankj.sharma@...sung.com>
> Signed-off-by: Sriram Dash <sriram.dash@...sung.com>

Added to linux-can-next.

Tnx,
Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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