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Bluetooth: btmrvl_sdio: Refactor irq wakeup 

Use device_init_wakeup to allow the Bluetooth dev to wake the system
from suspend. Currently, the device can wake the system but no
power/wakeup entry is created in sysfs to allow userspace to disable
wakeup.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Abhishek Pandit-Subedi 2020-06-10 18:53:55 -07:00 committed by Marcel Holtmann
parent 76d4c130ea
commit e660b3510e
1 changed files with 10 additions and 3 deletions
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13
drivers/bluetooth/btmrvl_sdio.c
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@ -111,6 +111,9 @@ static int btmrvl_sdio_probe_of(struct device *dev,
"Failed to request irq_bt %d (%d)\n",
cfg->irq_bt, ret);
}
/* Configure wakeup (enabled by default) */
device_init_wakeup(dev, true);
disable_irq(cfg->irq_bt);
}
}
@ -1654,6 +1657,7 @@ static void btmrvl_sdio_remove(struct sdio_func *func)
MODULE_SHUTDOWN_REQ);
btmrvl_sdio_disable_host_int(card);
}
BT_DBG("unregister dev");
card->priv->surprise_removed = true;
btmrvl_sdio_unregister_dev(card);
@ -1690,7 +1694,8 @@ static int btmrvl_sdio_suspend(struct device *dev)
}
/* Enable platform specific wakeup interrupt */
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) {
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 &&
device_may_wakeup(dev)) {
card->plt_wake_cfg->wake_by_bt = false;
enable_irq(card->plt_wake_cfg->irq_bt);
enable_irq_wake(card->plt_wake_cfg->irq_bt);
@ -1707,7 +1712,8 @@ static int btmrvl_sdio_suspend(struct device *dev)
BT_ERR("HS not activated, suspend failed!");
/* Disable platform specific wakeup interrupt */
if (card->plt_wake_cfg &&
card->plt_wake_cfg->irq_bt >= 0) {
card->plt_wake_cfg->irq_bt >= 0 &&
device_may_wakeup(dev)) {
disable_irq_wake(card->plt_wake_cfg->irq_bt);
disable_irq(card->plt_wake_cfg->irq_bt);
}
@ -1767,7 +1773,8 @@ static int btmrvl_sdio_resume(struct device *dev)
hci_resume_dev(hcidev);
/* Disable platform specific wakeup interrupt */
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) {
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 &&
device_may_wakeup(dev)) {
disable_irq_wake(card->plt_wake_cfg->irq_bt);
disable_irq(card->plt_wake_cfg->irq_bt);
if (card->plt_wake_cfg->wake_by_bt)