Re: [PATCH v5 11/11] Bluetooth: btintel: Fix the legacy bootloader returns tlv based version

From the ThP, it supports both old and TLV based HCI_Intel_Read_Version
command after downloading the operational firmware.
Starting from th JfP, it supports both old and TLV based
HCI_Intel_Read_Version command in the operational firmware and it causes
the setup() uses the TLV based setup instead of legacy setup.

So, as a workaround, this patch checks the fw variant from the TLV based
version and it uses the legacy HCI_Intel_Read_Version command to get the
legacy version information and run the legacy bootloader setup with it.

Signed-off-by: Tedd Ho-Jeong An <redacted>
---
drivers/bluetooth/btintel.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 57b64d744f0a..f11882d10da7 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c

@@ -2254,10 +2254,33 @@ int btintel_setup_combined(struct hci_dev *hdev)

	/* For TLV type device, parse the tlv data */
	btintel_parse_version_tlv(hdev, &ver_tlv, skb);

+	/* Some legacy bootloader devices from JfP supports both old and TLV
+	 * based HCI_Intel_Read_Version command. But we don't want to use the
+	 * TLV based setup routines for those old bootloader device.
+	 * Also, it is not easy to convert TLV based version to the legacy
+	 * version format.
+	 *
+	 * So, as a workaround for those devices, use the legacy
+	 * HCI_Intel_Read_Version to get the version information and run the
+	 * legacy bootloader setup.
+	 */