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SubjectRe: [PATCH v3] can, tty: elmcan CAN/ldisc driver for ELM327 based OBD-II adapters
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

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