Replace spinlock by mutex to be able to use bcm_device_lock in
sleepable context like devm_request_threaded_irq or upcomming PM support.
Signed-off-by: Frederic Danis <frederic.danis@xxxxxxxxxxxxxxx>
---
drivers/bluetooth/hci_bcm.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 835bfab..42ab91d 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -66,7 +66,7 @@ struct bcm_data {
};
/* List of BCM BT UART devices */
-static DEFINE_SPINLOCK(bcm_device_lock);
+static DEFINE_MUTEX(bcm_device_lock);
static LIST_HEAD(bcm_device_list);
static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
@@ -164,7 +164,7 @@ static int bcm_open(struct hci_uart *hu)
hu->priv = bcm;
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_for_each(p, &bcm_device_list) {
struct bcm_device *dev = list_entry(p, struct bcm_device, list);
@@ -185,7 +185,7 @@ static int bcm_open(struct hci_uart *hu)
if (bcm->dev)
bcm_gpio_set_power(bcm->dev, true);
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
return 0;
}
@@ -197,14 +197,14 @@ static int bcm_close(struct hci_uart *hu)
BT_DBG("hu %p", hu);
/* Protect bcm->dev against removal of the device or driver */
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
if (bcm_device_exists(bcm->dev)) {
bcm_gpio_set_power(bcm->dev, false);
#ifdef CONFIG_PM_SLEEP
bcm->dev->hu = NULL;
#endif
}
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
skb_queue_purge(&bcm->txq);
kfree_skb(bcm->rx_skb);
@@ -338,7 +338,7 @@ static int bcm_suspend(struct device *dev)
BT_DBG("suspend (%p): is_suspended %d", bdev, bdev->is_suspended);
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
if (!bdev->hu)
goto unlock;
@@ -358,7 +358,7 @@ static int bcm_suspend(struct device *dev)
}
unlock:
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
return 0;
}
@@ -370,7 +370,7 @@ static int bcm_resume(struct device *dev)
BT_DBG("resume (%p): is_suspended %d", bdev, bdev->is_suspended);
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
if (!bdev->hu)
goto unlock;
@@ -389,7 +389,7 @@ static int bcm_resume(struct device *dev)
}
unlock:
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
return 0;
}
@@ -504,9 +504,9 @@ static int bcm_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "%s device registered.\n", dev->name);
/* Place this instance on the device list */
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_add_tail(&dev->list, &bcm_device_list);
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
bcm_gpio_set_power(dev, false);
@@ -517,9 +517,9 @@ static int bcm_remove(struct platform_device *pdev)
{
struct bcm_device *dev = platform_get_drvdata(pdev);
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_del(&dev->list);
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
