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Subject[PATCH 2/2] Bluetooth: btrtl: Add firmware version print
From: Alex Lu <alex_lu@realsil.com.cn>

This patch is used to print fw version for debug convenience

Signed-off-by: Alex Lu <alex_lu@realsil.com.cn>
---
drivers/bluetooth/btrtl.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index b7487ab99eed..7219eb98d02d 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -151,6 +151,8 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8822b_config" },
};

+static struct sk_buff *btrtl_read_local_version(struct hci_dev *hdev);
+
static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
u8 hci_ver, u8 hci_bus)
{
@@ -368,6 +370,8 @@ static int rtl_download_firmware(struct hci_dev *hdev,
int frag_len = RTL_FRAG_LEN;
int ret = 0;
int i;
+ struct sk_buff *skb;
+ struct hci_rp_read_local_version *rp;

dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL);
if (!dl_cmd)
@@ -406,6 +410,18 @@ static int rtl_download_firmware(struct hci_dev *hdev,
data += RTL_FRAG_LEN;
}

+ skb = btrtl_read_local_version(hdev);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ rtl_dev_err(hdev, "read local version failed");
+ goto out;
+ }
+
+ rp = (struct hci_rp_read_local_version *)skb->data;
+ rtl_dev_info(hdev, "rtl: fw version 0x%04x%04x",
+ __le16_to_cpu(rp->hci_rev), __le16_to_cpu(rp->lmp_subver));
+ kfree_skb(skb);
+
out:
kfree(dl_cmd);
return ret;
--
2.21.0
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