From: Max Staudt <max@enpas.org>
To: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Vincent Mailhol <vincent.mailhol@gmail.com>,
Wolfgang Grandegger <wg@grandegger.com>,
linux-can@vger.kernel.org, Oliver Neukum <oneukum@suse.com>,
linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>
Subject: Re: [PATCH v3] can, tty: elmcan CAN/ldisc driver for ELM327 based OBD-II adapters
Date: Thu, 17 Mar 2022 22:08:22 +0100 [thread overview]
Message-ID: <20220317220822.4595c89f.max@enpas.org> (raw)
In-Reply-To: <20220317205717.pfgfdxxyucmeuuwr@pengutronix.de>
On Thu, 17 Mar 2022 21:57:17 +0100
Marc Kleine-Budde <mkl@pengutronix.de> wrote:
> On 17.03.2022 21:23:59, Max Staudt wrote:
> > On Mon, 14 Mar 2022 23:04:08 +0100
> > Marc Kleine-Budde <mkl@pengutronix.de> wrote:
> >
> > > On 09.03.2022 22:49:49, Vincent Mailhol wrote:
> > > > Either we agree that using can_rx_offload without implementing
> > > > the mailbox_read() is OK and in that case, the can_rx_offload
> > > > framework should be modified to allow mailbox_read() to be a
> > > > NULL pointer.
> > > >
> > > > Either it is not the case and you use the more classic
> > > > netif_rx().
> > > >
> > > > And I do not have the answer. I haven't studied can_rx_offload
> > > > enough to be a judge here. Sorry.
> > > >
> > > > @Marc, any thoughts?
> > >
> > > Use can_rx_offload_add_manual() instead.
> >
> > m-(
> >
> > Yes, it's right underneath _add_fifo() and does the right thing. No
> > idea how I missed it, I thought I had looked through all variants.
>
> I think that function was not there form the beginning, maybe you
> looked at the rx-offload code when it was not available.
Indeed, it was added in 5.10, and my rx-offload work likely just about
missed that. Thanks!
Max
next prev parent reply other threads:[~2022-03-17 21:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-07 21:43 [PATCH v3] can, tty: elmcan CAN/ldisc driver for ELM327 based OBD-II adapters Max Staudt
2022-03-07 21:57 ` Greg Kroah-Hartman
2022-03-07 22:00 ` Max Staudt
2022-03-08 7:01 ` Vincent Mailhol
2022-03-09 12:54 ` Max Staudt
2022-03-09 13:49 ` Vincent Mailhol
2022-03-12 21:21 ` Max Staudt
2022-03-15 10:21 ` Marc Kleine-Budde
2022-03-17 21:05 ` Max Staudt
2022-03-14 22:04 ` Marc Kleine-Budde
2022-03-17 20:23 ` Max Staudt
2022-03-17 20:57 ` Marc Kleine-Budde
2022-03-17 21:08 ` Max Staudt [this message]
2022-03-14 22:00 ` Marc Kleine-Budde
2022-03-14 21:58 ` Marc Kleine-Budde
2022-03-17 20:18 ` Max Staudt
2022-03-17 20:55 ` Marc Kleine-Budde
2022-03-21 2:06 ` Max Staudt
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