remoteproc: Allow for individual remoteproc initialization
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 <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/drivers/remoteproc/rproc-uclass.c b/drivers/remoteproc/rproc-uclass.c
index 1fc3d42..c8a41a6 100644
--- a/drivers/remoteproc/rproc-uclass.c
+++ b/drivers/remoteproc/rproc-uclass.c
@@ -272,6 +272,25 @@
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 c3c3f46..a59dba8 100644
--- a/include/remoteproc.h
+++ b/include/remoteproc.h
@@ -86,6 +86,14 @@
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
*
* Return: 0 if all devices are initialized, else appropriate error value.
@@ -150,6 +158,7 @@
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; }