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@ -3269,17 +3269,35 @@ int hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len)
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----------------------------------------------------------------*/
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int hfa384x_drvr_start(hfa384x_t *hw)
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{
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int result;
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int result, result1, result2;
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u16 status;
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DBFENTER;
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might_sleep();
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if (usb_clear_halt(hw->usb, hw->endp_in)) {
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/* Clear endpoint stalls - but only do this if the endpoint
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* is showing a stall status. Some prism2 cards seem to behave
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* badly if a clear_halt is called when the endpoint is already
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* ok
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*/
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result = usb_get_status(hw->usb, USB_RECIP_ENDPOINT, hw->endp_in, &status);
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if (result < 0) {
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WLAN_LOG_ERROR(
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"Cannot get bulk in endpoint status.\n");
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goto done;
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}
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if ((status == 1) && usb_clear_halt(hw->usb, hw->endp_in)) {
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WLAN_LOG_ERROR(
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"Failed to reset bulk in endpoint.\n");
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}
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if (usb_clear_halt(hw->usb, hw->endp_out)) {
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result = usb_get_status(hw->usb, USB_RECIP_ENDPOINT, hw->endp_out, &status);
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if (result < 0) {
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WLAN_LOG_ERROR(
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"Cannot get bulk out endpoint status.\n");
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goto done;
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}
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if ((status == 1) && usb_clear_halt(hw->usb, hw->endp_out)) {
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WLAN_LOG_ERROR(
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"Failed to reset bulk out endpoint.\n");
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}
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@ -3296,14 +3314,37 @@ int hfa384x_drvr_start(hfa384x_t *hw)
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goto done;
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}
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/* call initialize */
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result = hfa384x_cmd_initialize(hw);
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if (result != 0) {
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usb_kill_urb(&hw->rx_urb);
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WLAN_LOG_ERROR(
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"cmd_initialize() failed, result=%d\n",
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result);
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goto done;
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/* Call initialize twice, with a 1 second sleep in between.
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* This is a nasty work-around since many prism2 cards seem to
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* need time to settle after an init from cold. The second
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* call to initialize in theory is not necessary - but we call
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* it anyway as a double insurance policy:
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* 1) If the first init should fail, the second may well succeed
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* and the card can still be used
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* 2) It helps ensures all is well with the card after the first
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* init and settle time.
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*/
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result1 = hfa384x_cmd_initialize(hw);
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msleep(1000);
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result = result2 = hfa384x_cmd_initialize(hw);
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if (result1 != 0) {
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if (result2 != 0) {
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WLAN_LOG_ERROR(
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"cmd_initialize() failed on two attempts, results %d and %d\n",
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result1, result2);
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usb_kill_urb(&hw->rx_urb);
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goto done;
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} else {
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WLAN_LOG_DEBUG(0, "First cmd_initialize() failed (result %d),\n",
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result1);
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WLAN_LOG_DEBUG(0, "but second attempt succeeded. All should be ok\n");
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}
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} else if (result2 != 0) {
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WLAN_LOG_WARNING(
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"First cmd_initialize() succeeded, but second attempt failed (result=%d)\n",
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result2);
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WLAN_LOG_WARNING("Most likely the card will be functional\n");
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goto done;
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}
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hw->state = HFA384x_STATE_RUNNING;
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