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 --- 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; }