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rpmsg: smd: Expose edge registration functions

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The edge registration functions is to be used from a remoteproc driver
to register and unregister an edge as the remote processor comes and
goes.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson 2016-10-19 19:40:03 -07:00
parent 7bdc9650f0
commit 8fc947230f
2 changed files with 34 additions and 0 deletions
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1
drivers/rpmsg/qcom_smd.c
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@ -25,6 +25,7 @@
#include <linux/soc/qcom/smem.h>
#include <linux/wait.h>
#include <linux/rpmsg.h>
#include <linux/rpmsg/qcom_smd.h>
#include "rpmsg_internal.h"

33
include/linux/rpmsg/qcom_smd.h Normal file
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@ -0,0 +1,33 @@
#ifndef _LINUX_RPMSG_QCOM_SMD_H
#define _LINUX_RPMSG_QCOM_SMD_H
#include <linux/device.h>
struct qcom_smd_edge;
#if IS_ENABLED(CONFIG_RPMSG_QCOM_SMD) || IS_ENABLED(CONFIG_QCOM_SMD)
struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
struct device_node *node);
int qcom_smd_unregister_edge(struct qcom_smd_edge *edge);
#else
static inline struct qcom_smd_edge *
qcom_smd_register_edge(struct device *parent,
struct device_node *node)
{
return ERR_PTR(-ENXIO);
}
static inline int qcom_smd_unregister_edge(struct qcom_smd_edge *edge)
{
/* This shouldn't be possible */
WARN_ON(1);
return -ENXIO;
}
#endif
#endif