linux-kernel - Re: [PATCH v4 0/6] can: c_can: add support to 64 message objects

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Message-ID: <20210304143350.7vddiwb7slghuvhb@pengutronix.de>
Date:   Thu, 4 Mar 2021 15:33:50 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Dario Binacchi <dariobin@...ero.it>
Cc:     linux-kernel@...r.kernel.org,
        Alexander Stein <alexander.stein@...tec-electronic.com>,
        Federico Vaga <federico.vaga@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Zhang Qilong <zhangqilong3@...wei.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v4 0/6] can: c_can: add support to 64 message objects

On 02.03.2021 22:54:29, Dario Binacchi wrote:
> 
> The D_CAN controller supports up to 128 messages. Until now the driver
> only managed 32 messages although Sitara processors and DRA7 SOC can
> handle 64.
> 
> The series was tested on a beaglebone board.
> 
> Note:
> I have not changed the type of tx_field (belonging to the c_can_priv
> structure) to atomic64_t because I think the atomic_t type has size
> of at least 32 bits on x86 and arm, which is enough to handle 64
> messages.
> http://marc.info/?l=linux-can&m=139746476821294&w=2 reports the results
> of tests performed just on x86 and arm architectures.

Applied to linux-can-next/testing.

I've added some cleanup patches to the series. I'll send it around soon,
please test.

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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