linux-kernel - Re: [PATCH 03/15] can: m_can: Cache tx putidx and transmits in flight

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Message-ID: <20221213191717.422omlznn2cjjwjz@pengutronix.de>
Date:   Tue, 13 Dec 2022 20:17:17 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Markus Schneider-Pargmann <msp@...libre.com>
Cc:     Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/15] can: m_can: Cache tx putidx and transmits in flight

On 13.12.2022 18:13:09, Markus Schneider-Pargmann wrote:
> > > The tcan mram size is limited to 2048 so I would like to avoid limiting
> > > the possible sizes of the tx fifos.
> > 
> > What FIFO sizes are you using currently?
> 
> I am currently using 13 for TXB, TXE and RXF0.

Have you CAN-FD enabled?

Marc

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