5.4-stable review patch. If anyone has any objections, please let me know.
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From: Abhishek Pandit-Subedi abhishekpandit@chromium.org
[ Upstream commit e660b3510eb4b3c06ce1188a1d305b6f653106fc ]
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 Stable-dep-of: 7b1ab460592c ("Bluetooth: btmrvl: Use IRQF_NO_AUTOEN flag in request_irq()") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bluetooth/btmrvl_sdio.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 4c7978cb1786f..cfb9f9db44a0d 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -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)