diff options
| author | Loic Poulain <loic.poulain@intel.com> | 2015-08-31 19:34:31 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-09-17 14:20:01 +0300 |
| commit | 67c8bde04d8587a57112993d1342c62b851b0756 (patch) | |
| tree | 8b6a89e85a073b42016bacca619146c528e6d9db /drivers/bluetooth | |
| parent | f44e78a5fc5b103e4d7b04480365a128ca9184ee (diff) | |
| download | linux-67c8bde04d8587a57112993d1342c62b851b0756.tar.xz | |
Bluetooth: hci_intel: Replace spinlock with mutex
Replace the device_intel list spinlock with a mutex.
devm_request_threaded_irq is not atomic and upcomming PM support should
be simpler.
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/hci_intel.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index e35df282abe8..5d53185c2d99 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -67,7 +67,7 @@ struct intel_device { }; static LIST_HEAD(intel_device_list); -static DEFINE_SPINLOCK(intel_device_list_lock); +static DEFINE_MUTEX(intel_device_list_lock); struct intel_data { struct sk_buff *rx_skb; @@ -143,7 +143,7 @@ static int intel_set_power(struct hci_uart *hu, bool powered) struct list_head *p; int err = -ENODEV; - spin_lock(&intel_device_list_lock); + mutex_lock(&intel_device_list_lock); list_for_each(p, &intel_device_list) { struct intel_device *idev = list_entry(p, struct intel_device, @@ -187,7 +187,7 @@ static int intel_set_power(struct hci_uart *hu, bool powered) } } - spin_unlock(&intel_device_list_lock); + mutex_unlock(&intel_device_list_lock); return err; } @@ -696,7 +696,7 @@ done: bt_dev_info(hdev, "Device booted in %llu usecs", duration); /* Enable LPM if matching pdev with wakeup enabled */ - spin_lock(&intel_device_list_lock); + mutex_lock(&intel_device_list_lock); list_for_each(p, &intel_device_list) { struct intel_device *dev = list_entry(p, struct intel_device, list); @@ -706,7 +706,7 @@ done: break; } } - spin_unlock(&intel_device_list_lock); + mutex_unlock(&intel_device_list_lock); if (!idev) goto no_lpm; @@ -982,9 +982,9 @@ no_irq: platform_set_drvdata(pdev, idev); /* Place this instance on the device list */ - spin_lock(&intel_device_list_lock); + mutex_lock(&intel_device_list_lock); list_add_tail(&idev->list, &intel_device_list); - spin_unlock(&intel_device_list_lock); + mutex_unlock(&intel_device_list_lock); dev_info(&pdev->dev, "registered, gpio(%d)/irq(%d).\n", desc_to_gpio(idev->reset), idev->irq); @@ -998,9 +998,9 @@ static int intel_remove(struct platform_device *pdev) device_wakeup_disable(&pdev->dev); - spin_lock(&intel_device_list_lock); + mutex_lock(&intel_device_list_lock); list_del(&idev->list); - spin_unlock(&intel_device_list_lock); + mutex_unlock(&intel_device_list_lock); dev_info(&pdev->dev, "unregistered.\n"); |