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Code Issues Releases Wiki Activity

Bluetooth: btusb: Consolidate code for waiting firmware download

Browse source 
This moves duplicated code for waiting firmware download completion to
a function that can be reused.

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>
This commit is contained in:
Luiz Augusto von Dentz 2021-03-23 11:59:00 -07:00 committed by Marcel Holtmann
parent d68903da4e
commit 21e31c6501
1 changed files with 48 additions and 60 deletions
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108
drivers/bluetooth/btusb.c
View file

@ -2447,6 +2447,44 @@ static void btusb_setup_intel_newgen_get_fw_name(const struct intel_version_tlv
suffix);
}
static int btusb_download_wait(struct hci_dev *hdev, ktime_t calltime, int msec)
{
struct btusb_data *data = hci_get_drvdata(hdev);
ktime_t delta, rettime;
unsigned long long duration;
int err;
set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
bt_dev_info(hdev, "Waiting for firmware download to complete");
err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
TASK_INTERRUPTIBLE,
msecs_to_jiffies(msec));
if (err == -EINTR) {
bt_dev_err(hdev, "Firmware loading interrupted");
return err;
}
if (err) {
bt_dev_err(hdev, "Firmware loading timeout");
return -ETIMEDOUT;
}
if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
bt_dev_err(hdev, "Firmware loading failed");
return -ENOEXEC;
}
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
return 0;
}
static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev,
struct intel_version_tlv *ver,
u32 *boot_param)
@ -2455,6 +2493,7 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev,
char fwname[64];
int err;
struct btusb_data *data = hci_get_drvdata(hdev);
ktime_t calltime;
if (!ver || !boot_param)
return -EINVAL;
@ -2502,6 +2541,8 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev,
goto done;
}
calltime = ktime_get();
set_bit(BTUSB_DOWNLOADING, &data->flags);
/* Start firmware downloading and get boot parameter */
@ -2522,9 +2563,6 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev,
btintel_reset_to_bootloader(hdev);
goto done;
}
set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
bt_dev_info(hdev, "Waiting for firmware download to complete");
/* Before switching the device into operational mode and with that
* booting the loaded firmware, wait for the bootloader notification
@ -2537,26 +2575,9 @@ static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev,
* and thus just timeout if that happens and fail the setup
* of this device.
*/
err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
TASK_INTERRUPTIBLE,
msecs_to_jiffies(5000));
if (err == -EINTR) {
bt_dev_err(hdev, "Firmware loading interrupted");
goto done;
}
if (err) {
bt_dev_err(hdev, "Firmware loading timeout");
err = -ETIMEDOUT;
err = btusb_download_wait(hdev, calltime, 5000);
if (err == -ETIMEDOUT)
btintel_reset_to_bootloader(hdev);
goto done;
}
if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
bt_dev_err(hdev, "Firmware loading failed");
err = -ENOEXEC;
goto done;
}
done:
release_firmware(fw);
@ -2572,6 +2593,7 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev,
char fwname[64];
int err;
struct btusb_data *data = hci_get_drvdata(hdev);
ktime_t calltime;
if (!ver || !params)
return -EINVAL;
@ -2676,6 +2698,8 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev,
goto done;
}
calltime = ktime_get();
set_bit(BTUSB_DOWNLOADING, &data->flags);
/* Start firmware downloading and get boot parameter */
@ -2694,9 +2718,6 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev,
btintel_reset_to_bootloader(hdev);
goto done;
}
set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
bt_dev_info(hdev, "Waiting for firmware download to complete");
/* Before switching the device into operational mode and with that
* booting the loaded firmware, wait for the bootloader notification
@ -2709,26 +2730,9 @@ static int btusb_intel_download_firmware(struct hci_dev *hdev,
* and thus just timeout if that happens and fail the setup
* of this device.
*/
err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
TASK_INTERRUPTIBLE,
msecs_to_jiffies(5000));
if (err == -EINTR) {
bt_dev_err(hdev, "Firmware loading interrupted");
goto done;
}
if (err) {
bt_dev_err(hdev, "Firmware loading timeout");
err = -ETIMEDOUT;
err = btusb_download_wait(hdev, calltime, 5000);
if (err == -ETIMEDOUT)
btintel_reset_to_bootloader(hdev);
goto done;
}
if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
bt_dev_err(hdev, "Firmware loading failed");
err = -ENOEXEC;
goto done;
}
done:
release_firmware(fw);
@ -2755,8 +2759,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
*/
boot_param = 0x00000000;
calltime = ktime_get();
/* Read the Intel version information to determine if the device
* is in bootloader mode or if it already has operational firmware
* loaded.
@ -2780,12 +2782,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
if (ver.fw_variant == 0x23)
goto finish;
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
calltime = ktime_get();
set_bit(BTUSB_BOOTING, &data->flags);
@ -2903,8 +2899,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
*/
boot_param = 0x00000000;
calltime = ktime_get();
/* Read the Intel version information to determine if the device
* is in bootloader mode or if it already has operational firmware
* loaded.
@ -2928,12 +2922,6 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
if (version.img_type == 0x03)
goto finish;
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
calltime = ktime_get();
set_bit(BTUSB_BOOTING, &data->flags);