linux-kernel - [RFC PATCH 1/1] rpmsg: add syslog driver

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Date:   Tue,  9 Nov 2021 09:30:44 +0100
From:   Christian Gmeiner <christian.gmeiner@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Christian Gmeiner <christian.gmeiner@...il.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-remoteproc@...r.kernel.org
Subject: [RFC PATCH 1/1] rpmsg: add syslog driver

Allows the remote firmware to log into syslog.

Signed-off-by: Christian Gmeiner <christian.gmeiner@...il.com>
---
 drivers/rpmsg/Kconfig  | 8 ++++++++
 drivers/rpmsg/Makefile | 1 +
 2 files changed, 9 insertions(+)

diff --git a/drivers/rpmsg/Kconfig b/drivers/rpmsg/Kconfig
index 0b4407abdf13..801f9956ec21 100644
--- a/drivers/rpmsg/Kconfig
+++ b/drivers/rpmsg/Kconfig
@@ -73,4 +73,12 @@ config RPMSG_VIRTIO
 	select RPMSG_NS
 	select VIRTIO
 
+config RPMSG_SYSLOG
+	tristate "SYSLOG device interface"
+	depends on RPMSG
+	help
+	  Say Y here to export rpmsg endpoints as device files, usually found
+	  in /dev. They make it possible for user-space programs to send and
+	  receive rpmsg packets.
+
 endmenu
diff --git a/drivers/rpmsg/Makefile b/drivers/rpmsg/Makefile
index 8d452656f0ee..75b2ec7133a5 100644
--- a/drivers/rpmsg/Makefile
+++ b/drivers/rpmsg/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o
 obj-$(CONFIG_RPMSG_QCOM_GLINK_SMEM) += qcom_glink_smem.o
 obj-$(CONFIG_RPMSG_QCOM_SMD)	+= qcom_smd.o
 obj-$(CONFIG_RPMSG_VIRTIO)	+= virtio_rpmsg_bus.o
+obj-$(CONFIG_RPMSG_SYSLOG)	+= rpmsg_syslog.o
-- 
2.33.1