Re: [PATCH v5 08/16] rpmsg: glink: add sendto and trysendto ops

From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: Arnaud POULIQUEN <arnaud.pouliquen@foss.st.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
	Ohad Ben-Cohen <ohad@wizery.com>, Andy Gross <agross@kernel.org>,
	linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v5 08/16] rpmsg: glink: add sendto and trysendto ops
Date: Fri, 5 Mar 2021 09:55:10 -0700	[thread overview]
Message-ID: <20210305165510.GA3885132@xps15> (raw)
In-Reply-To: <e0f60693-3184-55c1-db67-1725a5f9c24d@foss.st.com>

[...]

> >>  }
> >>  
> >> +static int qcom_glink_sendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
> >> +{
> >> +	struct glink_channel *channel = to_glink_channel(ept);
> >> +
> >> +	return __qcom_glink_send(channel, data, len, true);
> >> +}
> >> +
> >> +static int qcom_glink_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
> >> +{
> >> +	struct glink_channel *channel = to_glink_channel(ept);
> >> +
> >> +	return __qcom_glink_send(channel, data, len, false);
> >> +}
> > 
> > Just rename send() to sendto() and trysend() to trysendto() and ignore the
> > destination address.  
> 

Apologies for not being clear.

> Function prototypes have to match with rpmsg_endpoint_ops structure defined
> below. So seems to me not possible to just rename the functions.
> Please could you clarify if i missed something?

I don't think rproc_ops::send() and rproc_ops::trysend() are used anywhere else.
So replace them with rproc_ops::sendto() and rproc_ops::trysendto() where the
destination address would be ingnored.

> 
> > The same goes for the next patch.  I would fold patch 08
> > and 09 into 10 to help get the big picture.
> 
> I'm going to squash all in one.

Perfect

> 
> Thanks,
> Arnaud
> 
> > 
> >> +
> >>  /*
> >>   * Finds the device_node for the glink child interested in this channel.
> >>   */
> >> @@ -1364,7 +1378,9 @@ static const struct rpmsg_device_ops glink_device_ops = {
> >>  static const struct rpmsg_endpoint_ops glink_endpoint_ops = {
> >>  	.destroy_ept = qcom_glink_destroy_ept,
> >>  	.send = qcom_glink_send,
> >> +	.sendto = qcom_glink_sendto,
> >>  	.trysend = qcom_glink_trysend,
> >> +	.trysendto = qcom_glink_trysendto,
> >>  };
> >>  
> >>  static void qcom_glink_rpdev_release(struct device *dev)
> >> -- 
> >> 2.17.1
> >>