linux-kernel - Re: [PATCH V3 0/3] rpmsg signaling/flowcontrol patches

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Message-ID: <20220919201501.GD759648@p14s>
Date:   Mon, 19 Sep 2022 14:15:01 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>
Cc:     Deepak Kumar Singh <quic_deesin@...cinc.com>,
        bjorn.andersson@...aro.org, swboyd@...omium.org,
        quic_clew@...cinc.com, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH V3 0/3] rpmsg signaling/flowcontrol patches

On Wed, Sep 14, 2022 at 09:50:48AM +0200, Arnaud POULIQUEN wrote:
> Hi Deepak,
> 
> On 9/14/22 07:24, Deepak Kumar Singh wrote:
> > [Changes from V2]:
> > Trivial review comment fixes.
> > Avoid TIOCM_DTR etc signals in glink layer, use native signal macros only.
> > Glink layer to provide only flowcontrol on/off interface, no specific signal passing/receiving to client.
> 
> 
> Please, could you have a look to my series that implements
> your proposed interface for the virtio rpmsg [1]?
> It would be nice that your API takes into account update to
> support of the rpmsg virtio implementation proposed in [08/10] rpmsg: Add the
> destination address in rpmsg_set_flow_control[2]

I agree with Arnaud - I would like to see more convergence on this topic.  I will
not move forward with this patchset until comments have been provided for [1].

> 
> Thanks,
> Arnaud
> 
> [1] https://lore.kernel.org/lkml/e54bcfcb-8e37-9caa-b330-a7411820b7ce@foss.st.com/T/
> [2]https://lore.kernel.org/lkml/e54bcfcb-8e37-9caa-b330-a7411820b7ce@foss.st.com/T/#m7340a8e70fb0d8935869c4cef96863abda555c96
> 
> > 
> > Deepak Kumar Singh (3):
> >   rpmsg: core: Add signal API support
> >   rpmsg: glink: Add support to handle signals command
> >   rpmsg: char: Add TIOCMGET/TIOCMSET ioctl support
> > 
> >  drivers/rpmsg/qcom_glink_native.c | 63 +++++++++++++++++++++++++++++++++++++++
> >  drivers/rpmsg/rpmsg_char.c        | 60 ++++++++++++++++++++++++++++++++-----
> >  drivers/rpmsg/rpmsg_core.c        | 20 +++++++++++++
> >  drivers/rpmsg/rpmsg_internal.h    |  2 ++
> >  include/linux/rpmsg.h             | 15 ++++++++++
> >  5 files changed, 152 insertions(+), 8 deletions(-)
> >