From: Icenowy Zheng <icenowy@xxxxxxxxxx>
Mimic the behavior of brcmfmac driver, which uses the DT compatible
string of the board as the NVRAM postfix.
Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxxxx>
---
drivers/bluetooth/hci_h5.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index c5a0409ef84f..d1f90b23a5e0 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -817,6 +817,7 @@ static int h5_serdev_probe(struct serdev_device *serdev)
{
struct device *dev = &serdev->dev;
struct h5 *h5;
+ struct device_node *root;
const struct h5_device_data *data;
h5 = devm_kzalloc(dev, sizeof(*h5), GFP_KERNEL);
@@ -847,6 +848,32 @@ static int h5_serdev_probe(struct serdev_device *serdev)
return -ENODEV;
h5->vnd = data->vnd;
+
+ /* Set id to the first string of the machine compatible prop */
+ root = of_find_node_by_path("/");
+ if (root) {
+ int i, len;
+ char *id;
+ const char *tmp;
+
+ of_property_read_string_index(root, "compatible", 0,
+ &tmp);
+
+ /*
+ * get rid of '/' in the compatible string to be able
+ * to find the FW
+ */
+ len = strlen(tmp) + 1;
+ id = devm_kzalloc(dev, len, GFP_KERNEL);
+ strscpy(id, tmp, len);
+ for (i = 0; i < id[i]; i++) {
+ if (id[i] == '/')
+ id[i] = '-';
+ }
+ h5->id = id;
+
+ of_node_put(root);
+ }
}
if (data->driver_info & H5_INFO_WAKEUP_DISABLE)
--
2.35.1
