Revert "Bluetooth: qca: add support for QCA2066"

This reverts commit ad643241d4 which is
commit a7f8dedb4be2cc930a29af24427b885405ecd15d upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Id18621d7abf6f195463566ba20b9300b20ab5c84
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/bluetooth/btqca.c

@@ -222,49 +222,6 @@ static int qca_send_reset(struct hci_dev *hdev)
 	return 0;
 }
 
-static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid)
-{
-	u8 cmd;
-	struct sk_buff *skb;
-	struct edl_event_hdr *edl;
-	int err = 0;
-
-	cmd = EDL_GET_BID_REQ_CMD;
-	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
-				&cmd, 0, HCI_INIT_TIMEOUT);
-	if (IS_ERR(skb)) {
-		err = PTR_ERR(skb);
-		bt_dev_err(hdev, "Reading QCA board ID failed (%d)", err);
-		return err;
-	}
-
-	edl = skb_pull_data(skb, sizeof(*edl));
-	if (!edl) {
-		bt_dev_err(hdev, "QCA read board ID with no header");
-		err = -EILSEQ;
-		goto out;
-	}
-
-	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
-	    edl->rtype != EDL_GET_BID_REQ_CMD) {
-		bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype);
-		err = -EIO;
-		goto out;
-	}
-
-	if (skb->len < 3) {
-		err = -EILSEQ;
-		goto out;
-	}
-
-	*bid = (edl->data[1] << 8) + edl->data[2];
-	bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid);
-
-out:
-	kfree_skb(skb);
-	return err;
-}
-
 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 {
 	struct sk_buff *skb;
@@ -688,7 +645,6 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	int err;
 	u8 rom_ver = 0;
 	u32 soc_ver;
-	u16 boardid = 0;
 
 	bt_dev_dbg(hdev, "QCA setup on UART");
 
@@ -735,9 +691,6 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 	/* Give the controller some time to get ready to receive the NVM */
 	msleep(10);
 
-	if (soc_type == QCA_QCA2066)
-		qca_read_fw_board_id(hdev, &boardid);
-
 	/* Download NVM configuration */
 	config.type = TLV_TYPE_NVM;
 	if (firmware_name)

drivers/bluetooth/btqca.h

@@ -12,7 +12,6 @@
 #define EDL_PATCH_VER_REQ_CMD		(0x19)
 #define EDL_PATCH_TLV_REQ_CMD		(0x1E)
 #define EDL_GET_BUILD_INFO_CMD		(0x20)
-#define EDL_GET_BID_REQ_CMD			(0x23)
 #define EDL_NVM_ACCESS_SET_REQ_CMD	(0x01)
 #define EDL_PATCH_CONFIG_CMD		(0x28)
 #define MAX_SIZE_PER_TLV_SEGMENT	(243)
@@ -47,9 +46,6 @@
 #define get_soc_ver(soc_id, rom_ver)	\
 	((le32_to_cpu(soc_id) << 16) | (le16_to_cpu(rom_ver)))
 
-#define QCA_HSP_GF_SOC_ID			0x1200
-#define QCA_HSP_GF_SOC_MASK			0x0000ff00
-
 enum qca_baudrate {
 	QCA_BAUDRATE_115200 	= 0,
 	QCA_BAUDRATE_57600,
@@ -146,7 +142,6 @@ enum qca_btsoc_type {
 	QCA_WCN3990,
 	QCA_WCN3998,
 	QCA_WCN3991,
-	QCA_QCA2066,
 	QCA_QCA6390,
 	QCA_WCN6750,
 };

drivers/bluetooth/hci_qca.c

@@ -1868,7 +1868,7 @@ static const struct qca_device_data qca_soc_data_wcn3998 = {
 	.num_vregs = 4,
 };
 
-static const struct qca_device_data qca_soc_data_qca6390 = {
+static const struct qca_device_data qca_soc_data_qca6390 __maybe_unused = {
 	.soc_type = QCA_QCA6390,
 	.num_vregs = 0,
 	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,