diff options
| author | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2021-03-23 11:58:56 -0700 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2021-03-25 16:09:35 +0100 |
| commit | ac0565462e330a2b762ca5849a4140b29d725786 (patch) | |
| tree | a7f3c514f75622253d110ccb08db3467d419dd12 /drivers/bluetooth/btusb.c | |
| parent | 0f90d320b4f191ad15604495e06a1636027c96ad (diff) | |
Bluetooth: btintel: Check firmware version before download
This checks the firmware build number, week and year against the
repective loaded version. If details are a match, skip the download
process.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 0d355bb45e08..de220ab7f231 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2557,10 +2557,17 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, set_bit(BTUSB_DOWNLOADING, &data->flags); /* Start firmware downloading and get boot parameter */ - err = btintel_download_firmware_newgen(hdev, fw, boot_param, + err = btintel_download_firmware_newgen(hdev, ver, fw, boot_param, INTEL_HW_VARIANT(ver->cnvi_bt), ver->sbe_type); if (err < 0) { + if (err == -EALREADY) { + /* Firmware has already been loaded */ + set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); + err = 0; + goto done; + } + /* When FW download fails, send Intel Reset to retry * FW download. */ @@ -2752,8 +2759,15 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev, set_bit(BTUSB_DOWNLOADING, &data->flags); /* Start firmware downloading and get boot parameter */ - err = btintel_download_firmware(hdev, fw, boot_param); + err = btintel_download_firmware(hdev, ver, fw, boot_param); if (err < 0) { + if (err == -EALREADY) { + /* Firmware has already been loaded */ + set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); + err = 0; + goto done; + } + /* When FW download fails, send Intel Reset to retry * FW download. */ |