linux-kernel - [PATCH v4 10/16] rpmsg: char: use sendto to specify the message destination address

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Message-ID: <20210217132905.1485-11-arnaud.pouliquen@foss.st.com>
Date:   Wed, 17 Feb 2021 14:28:59 +0100
From:   Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Andy Gross <agross@...nel.org>
CC:     <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-msm@...r.kernel.org>, <arnaud.pouliquen@...s.st.com>
Subject: [PATCH v4 10/16] rpmsg: char: use sendto to specify the message destination address

When the endpoint device is created by the application a destination
address as been specified in the rpmsg_channel_info structure.
Send the message to this address instead of the default one.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
---
 drivers/rpmsg/rpmsg_char.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index 83c10b39b139..09ae1304837c 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -225,9 +225,9 @@ static ssize_t rpmsg_eptdev_write_iter(struct kiocb *iocb,
 	}
 
 	if (filp->f_flags & O_NONBLOCK)
-		ret = rpmsg_trysend(eptdev->ept, kbuf, len);
+		ret = rpmsg_trysendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst);
 	else
-		ret = rpmsg_send(eptdev->ept, kbuf, len);
+		ret = rpmsg_sendto(eptdev->ept, kbuf, len, eptdev->chinfo.dst);
 
 unlock_eptdev:
 	mutex_unlock(&eptdev->ept_lock);
-- 
2.17.1