diff options
Diffstat (limited to 'drivers/bluetooth/btmtksdio.c')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 11d33cd7b08f..a1dfcfe43d3a 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -681,7 +681,7 @@ static int btmtksdio_open(struct hci_dev *hdev) if (err < 0) goto err_release_irq; - /* Explitly set write-1-clear method */ + /* Explicitly set write-1-clear method */ val = sdio_readl(bdev->func, MTK_REG_CHCR, &err); if (err < 0) goto err_release_irq; @@ -1328,6 +1328,8 @@ static int btmtksdio_probe(struct sdio_func *func, { struct btmtksdio_dev *bdev; struct hci_dev *hdev; + struct device_node *old_node; + bool restore_node; int err; bdev = devm_kzalloc(&func->dev, sizeof(*bdev), GFP_KERNEL); @@ -1396,7 +1398,7 @@ static int btmtksdio_probe(struct sdio_func *func, if (pm_runtime_enabled(bdev->dev)) pm_runtime_disable(bdev->dev); - /* As explaination in drivers/mmc/core/sdio_bus.c tells us: + /* As explanation in drivers/mmc/core/sdio_bus.c tells us: * Unbound SDIO functions are always suspended. * During probe, the function is set active and the usage count * is incremented. If the driver supports runtime PM, @@ -1411,13 +1413,24 @@ static int btmtksdio_probe(struct sdio_func *func, if (err) bt_dev_err(hdev, "failed to initialize device wakeup"); - bdev->dev->of_node = of_find_compatible_node(NULL, NULL, - "mediatek,mt7921s-bluetooth"); + restore_node = false; + if (!of_device_is_compatible(bdev->dev->of_node, "mediatek,mt7921s-bluetooth")) { + restore_node = true; + old_node = bdev->dev->of_node; + bdev->dev->of_node = of_find_compatible_node(NULL, NULL, + "mediatek,mt7921s-bluetooth"); + } + bdev->reset = devm_gpiod_get_optional(bdev->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(bdev->reset)) err = PTR_ERR(bdev->reset); + if (restore_node) { + of_node_put(bdev->dev->of_node); + bdev->dev->of_node = old_node; + } + return err; } |