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Bluetooth: btusb: wake system up when receives a wake irq 

Currrently we are disabling this wake irq after receiving it. If this
happens before we finish suspend and the pm event check is disabled,
the system will continue suspending, and this irq would not work again.

We may need to abort system suspend to avoid that.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Jeffy Chen 2017-02-24 14:24:29 +08:00 committed by Marcel Holtmann
parent abed84a0d5
commit 017789f37b
1 changed files with 2 additions and 0 deletions
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2
drivers/bluetooth/btusb.c
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@ -26,6 +26,7 @@
#include <linux/firmware.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/suspend.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
@ -2799,6 +2800,7 @@ static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
struct btusb_data *data = priv;
pm_wakeup_event(&data->udev->dev, 0);
pm_system_wakeup();
/* Disable only if not already disabled (keep it balanced) */
if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {