[PATCH v2 2/5] Bluetooth: btintel: Refactor firmware header download sequence

[Kiran K <kiran.k@intel.com>]

Move firmware header download code to a separate function to
enhance readability and reusability

Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Amit K Bag <amit.k.bag@intel.com>
Signed-off-by: Raghuram Hegde <raghuram.hegde@intel.com>
Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Reviewed-by: Sathish Narasimman <Sathish.Narasimman@intel.com>
Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com>
---

Changes in v2:
  - Remove unwanted blank line, add empty line before goto label
Changes in v1:
  - Move firmware header download code to new function


 drivers/bluetooth/btintel.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index dea96c585ecb..ffc888c4e9e3 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -646,12 +646,10 @@ int btintel_read_boot_params(struct hci_dev *hdev,
 }
 EXPORT_SYMBOL_GPL(btintel_read_boot_params);
 
-int btintel_download_firmware(struct hci_dev *hdev, const struct firmware *fw,
-			      u32 *boot_param)
+static int btintel_sfi_rsa_header_secure_send(struct hci_dev *hdev,
+					      const struct firmware *fw)
 {
 	int err;
-	const u8 *fw_ptr;
-	u32 frag_len;
 
 	/* Start the firmware download transaction with the Init fragment
 	 * represented by the 128 bytes of CSS header.
@@ -680,6 +678,21 @@ int btintel_download_firmware(struct hci_dev *hdev, const struct firmware *fw,
 		goto done;
 	}
 
+done:
+	return err;
+}
+
+int btintel_download_firmware(struct hci_dev *hdev, const struct firmware *fw,
+			      u32 *boot_param)
+{
+	int err;
+	const u8 *fw_ptr;
+	u32 frag_len;
+
+	err = btintel_sfi_rsa_header_secure_send(hdev, fw);
+	if (err)
+		goto done;
+
 	fw_ptr = fw->data + 644;
 	frag_len = 0;
 
-- 
2.17.1