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-rw-r--r--drivers/remoteproc/remoteproc_core.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 3d7d58a109d8..1210d6db40b1 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1030,8 +1030,9 @@ static void rproc_crash_handler_work(struct work_struct *work)
}
/**
- * rproc_boot() - boot a remote processor
+ * __rproc_boot() - boot a remote processor
* @rproc: handle of a remote processor
+ * @wait: wait for rproc registration completion
*
* Boot a remote processor (i.e. load its firmware, power it on, ...).
*
@@ -1040,7 +1041,7 @@ static void rproc_crash_handler_work(struct work_struct *work)
*
* Returns 0 on success, and an appropriate error value otherwise.
*/
-int rproc_boot(struct rproc *rproc)
+static int __rproc_boot(struct rproc *rproc, bool wait)
{
const struct firmware *firmware_p;
struct device *dev;
@@ -1088,6 +1089,10 @@ int rproc_boot(struct rproc *rproc)
goto downref_rproc;
}
+ /* if rproc virtio is not yet configured, wait */
+ if (wait)
+ wait_for_completion(&rproc->firmware_loading_complete);
+
ret = rproc_fw_boot(rproc, firmware_p);
release_firmware(firmware_p);
@@ -1101,9 +1106,29 @@ unlock_mutex:
mutex_unlock(&rproc->lock);
return ret;
}
+
+/**
+ * rproc_boot() - boot a remote processor
+ * @rproc: handle of a remote processor
+ */
+int rproc_boot(struct rproc *rproc)
+{
+ return __rproc_boot(rproc, true);
+}
EXPORT_SYMBOL(rproc_boot);
/**
+ * rproc_boot_nowait() - boot a remote processor
+ * @rproc: handle of a remote processor
+ *
+ * Same as rproc_boot() but don't wait for rproc registration completion
+ */
+int rproc_boot_nowait(struct rproc *rproc)
+{
+ return __rproc_boot(rproc, false);
+}
+
+/**
* rproc_shutdown() - power off the remote processor
* @rproc: the remote processor
*
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