Existing rproc_init() api tries to initialize all available
remoteproc devices. This will fail when there is dependency
among available remoteprocs. So introduce a separate api
that allows to initialize remoteprocs individually based
on id.
Reviewed-by: Tom Rini <tr...@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
drivers/remoteproc/rproc-uclass.c | 19 +++++++++++++++++++
include/remoteproc.h | 9 +++++++++
2 files changed, 28 insertions(+)
diff --git a/drivers/remoteproc/rproc-uclass.c
b/drivers/remoteproc/rproc-uclass.c
index 1fc3d424b3..c8a41a6332 100644
--- a/drivers/remoteproc/rproc-uclass.c
+++ b/drivers/remoteproc/rproc-uclass.c
@@ -272,6 +272,25 @@ int rproc_init(void)
return ret;
}
+int rproc_dev_init(int id)
+{
+ struct udevice *dev = NULL;
+ int ret;
+
+ ret = uclass_get_device_by_seq(UCLASS_REMOTEPROC, id, &dev);
+ if (ret) {
+ debug("Unknown remote processor id '%d' requested(%d)\n",
+ id, ret);
+ return ret;
+ }
+
+ ret = device_probe(dev);
+ if (ret)
+ debug("%s: Failed to initialize - %d\n", dev->name, ret);
+
+ return ret;
+}
+
int rproc_load(int id, ulong addr, ulong size)
{
struct udevice *dev = NULL;
diff --git a/include/remoteproc.h b/include/remoteproc.h
index c3c3f46a1a..a59dba8481 100644
--- a/include/remoteproc.h
+++ b/include/remoteproc.h
@@ -85,6 +85,14 @@ struct dm_rproc_ops {
*/
int rproc_init(void);
+/**
+ * rproc_dev_init() - Initialize a remote proc device based on id
+ * @id: id of the remote processor
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_dev_init(int id);
+
/**
* rproc_is_initialized() - check to see if remoteproc devices are initialized
*
@@ -150,6 +158,7 @@ int rproc_ping(int id);
int rproc_is_running(int id);
#else
static inline int rproc_init(void) { return -ENOSYS; }
+static inline int rproc_dev_init(int id) { return -ENOSYS; }
static inline bool rproc_is_initialized(void) { return false; }
static inline int rproc_load(int id, ulong addr, ulong size) { return -ENOSYS;
}
static inline int rproc_start(int id) { return -ENOSYS; }
--
2.18.0
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