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--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -94,8 +94,9 @@ static u8 intel_convert_speed(unsigned i
static int intel_wait_booting(struct hci_uart *hu)
{
struct intel_data *intel = hu->priv;
- int err;
+ int err = 0;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
err = wait_on_bit_timeout(&intel->flags, STATE_BOOTING,
TASK_INTERRUPTIBLE,
msecs_to_jiffies(1000));
@@ -109,6 +110,33 @@ static int intel_wait_booting(struct hci
BT_ERR("%s: Device boot timeout", hu->hdev->name);
return -ETIMEDOUT;
}
+#else
+ if (test_bit(STATE_BOOTING, &intel->flags)) {
+ DECLARE_WAITQUEUE(wait, current);
+ signed long timeout;
+
+ add_wait_queue(&hu->hdev->req_wait_q, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ /* Booting into operational firmware should not take
+ * longer than 1 second. However if that happens, then
+ * just fail the setup since something went wrong.
+ */
+ timeout = schedule_timeout(msecs_to_jiffies(1000));
+
+ remove_wait_queue(&hu->hdev->req_wait_q, &wait);
+
+ if (signal_pending(current)) {
+ BT_ERR("%s: Device boot interrupted", hu->hdev->name);
+ return -EINTR;
+ }
+
+ if (!timeout) {
+ BT_ERR("%s: Device boot timeout", hu->hdev->name);
+ return -ETIMEDOUT;
+ }
+ }
+#endif
return err;
}
@@ -576,6 +604,7 @@ static int intel_setup(struct hci_uart *
* and thus just timeout if that happens and fail the setup
* of this device.
*/
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
err = wait_on_bit_timeout(&intel->flags, STATE_DOWNLOADING,
TASK_INTERRUPTIBLE,
msecs_to_jiffies(5000));
@@ -590,6 +619,33 @@ static int intel_setup(struct hci_uart *
err = -ETIMEDOUT;
goto done;
}
+#else
+ if (test_bit(STATE_DOWNLOADING, &intel->flags)) {
+ DECLARE_WAITQUEUE(wait, current);
+ signed long timeout;
+
+ add_wait_queue(&hdev->req_wait_q, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ /* Booting into operational firmware should not take
+ * longer than 1 second. However if that happens, then
+ * just fail the setup since something went wrong.
+ */
+ timeout = schedule_timeout(msecs_to_jiffies(5000));
+
+ remove_wait_queue(&hdev->req_wait_q, &wait);
+
+ if (signal_pending(current)) {
+ BT_ERR("%s: Firmware loading interrupted", hdev->name);
+ return -EINTR;
+ }
+
+ if (!timeout) {
+ BT_ERR("%s: Firmware loading timeout", hdev->name);
+ return -ETIMEDOUT;
+ }
+ }
+#endif
if (test_bit(STATE_FIRMWARE_FAILED, &intel->flags)) {
BT_ERR("%s: Firmware loading failed", hdev->name);
@@ -689,8 +745,12 @@ static int intel_recv_event(struct hci_d
if (test_and_clear_bit(STATE_DOWNLOADING, &intel->flags) &&
test_bit(STATE_FIRMWARE_LOADED, &intel->flags)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
smp_mb__after_atomic();
wake_up_bit(&intel->flags, STATE_DOWNLOADING);
+#else
+ wake_up_interruptible(&hu->hdev->req_wait_q);
+#endif
}
/* When switching to the operational firmware the device
@@ -700,8 +760,12 @@ static int intel_recv_event(struct hci_d
} else if (skb->len == 9 && hdr->evt == 0xff && hdr->plen == 0x07 &&
skb->data[2] == 0x02) {
if (test_and_clear_bit(STATE_BOOTING, &intel->flags)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
smp_mb__after_atomic();
wake_up_bit(&intel->flags, STATE_BOOTING);
+#else
+ wake_up_interruptible(&hu->hdev->req_wait_q);
+#endif
}
}
recv:
|