Signed-off-by: Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx>
---
drivers/bluetooth/hci_mrvl.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/bluetooth/hci_mrvl.c b/drivers/bluetooth/hci_mrvl.c
index b7d764e6010f..dc55053574a9 100644
--- a/drivers/bluetooth/hci_mrvl.c
+++ b/drivers/bluetooth/hci_mrvl.c
@@ -12,6 +12,7 @@
#include <linux/skbuff.h>
#include <linux/firmware.h>
#include <linux/module.h>
+#include <linux/notify-device.h>
#include <linux/tty.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -433,9 +434,25 @@ static int mrvl_serdev_probe(struct serdev_device *serdev)
return -ENOMEM;
if (IS_ENABLED(CONFIG_OF)) {
+ struct device_node *firmware_ready_node;
+ struct device *firmware_ready;
+
mrvldev->info = of_device_get_match_data(&serdev->dev);
if (!mrvldev->info)
return -ENODEV;
+
+ firmware_ready_node = of_parse_phandle(serdev->dev.of_node,
+ "firmware-ready", 0);
+ if (firmware_ready_node) {
+ firmware_ready =
+ notify_device_find_by_of_node(firmware_ready_node);
+ if (!firmware_ready)
+ return -EPROBE_DEFER;
+ if (IS_ERR(firmware_ready))
+ return PTR_ERR(firmware_ready);
+ put_device(firmware_ready);
+ }
+
}
mrvldev->hu.serdev = serdev;
--
2.25.1
