diff options
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/usb.c')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/usb.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index 89821e4835c..f35c7f30f9a 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -295,6 +295,13 @@ static void carl9170_usb_rx_irq_complete(struct urb *urb) goto resubmit; } + /* + * While the carl9170 firmware does not use this EP, the + * firmware loader in the EEPROM unfortunately does. + * Therefore we need to be ready to handle out-of-band + * responses and traps in case the firmware crashed and + * the loader took over again. + */ carl9170_handle_command_response(ar, urb->transfer_buffer, urb->actual_length); @@ -766,7 +773,7 @@ void carl9170_usb_stop(struct ar9170 *ar) complete_all(&ar->cmd_wait); /* This is required to prevent an early completion on _start */ - INIT_COMPLETION(ar->cmd_wait); + reinit_completion(&ar->cmd_wait); /* * Note: @@ -1069,8 +1076,14 @@ static int carl9170_usb_probe(struct usb_interface *intf, carl9170_set_state(ar, CARL9170_STOPPED); - return request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME, + err = request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME, &ar->udev->dev, GFP_KERNEL, ar, carl9170_usb_firmware_step2); + if (err) { + usb_put_dev(udev); + usb_put_dev(udev); + carl9170_free(ar); + } + return err; } static void carl9170_usb_disconnect(struct usb_interface *intf) @@ -1159,6 +1172,7 @@ static struct usb_driver carl9170_driver = { .resume = carl9170_usb_resume, .reset_resume = carl9170_usb_resume, #endif /* CONFIG_PM */ + .disable_hub_initiated_lpm = 1, }; module_usb_driver(carl9170_driver); |