diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bluetooth/hci_bcm.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index e2540113d0da..73d2d88ddc03 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -68,7 +68,7 @@ struct bcm_device { u32 init_speed; u32 oper_speed; int irq; - u8 irq_polarity; + bool irq_active_low; #ifdef CONFIG_PM struct hci_uart *hu; @@ -213,7 +213,9 @@ static int bcm_request_irq(struct bcm_data *bcm) } err = devm_request_irq(&bdev->pdev->dev, bdev->irq, bcm_host_wake, - IRQF_TRIGGER_RISING, "host_wake", bdev); + bdev->irq_active_low ? IRQF_TRIGGER_FALLING : + IRQF_TRIGGER_RISING, + "host_wake", bdev); if (err) goto unlock; @@ -253,7 +255,7 @@ static int bcm_setup_sleep(struct hci_uart *hu) struct sk_buff *skb; struct bcm_set_sleep_mode sleep_params = default_sleep_params; - sleep_params.host_wake_active = !bcm->dev->irq_polarity; + sleep_params.host_wake_active = !bcm->dev->irq_active_low; skb = __hci_cmd_sync(hu->hdev, 0xfc27, sizeof(sleep_params), &sleep_params, HCI_INIT_TIMEOUT); @@ -690,10 +692,8 @@ static const struct acpi_gpio_mapping acpi_bcm_int_first_gpios[] = { }; #ifdef CONFIG_ACPI -static u8 acpi_active_low = ACPI_ACTIVE_LOW; - /* IRQ polarity of some chipsets are not defined correctly in ACPI table. */ -static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = { +static const struct dmi_system_id bcm_active_low_irq_dmi_table[] = { { .ident = "Asus T100TA", .matches = { @@ -701,7 +701,6 @@ static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = { "ASUSTeK COMPUTER INC."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"), }, - .driver_data = &acpi_active_low, }, { .ident = "Asus T100CHI", @@ -710,7 +709,6 @@ static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = { "ASUSTeK COMPUTER INC."), DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100CHI"), }, - .driver_data = &acpi_active_low, }, { /* Handle ThinkPad 8 tablets with BCM2E55 chipset ACPI ID */ .ident = "Lenovo ThinkPad 8", @@ -718,7 +716,6 @@ static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "ThinkPad 8"), }, - .driver_data = &acpi_active_low, }, { } }; @@ -733,13 +730,13 @@ static int bcm_resource(struct acpi_resource *ares, void *data) switch (ares->type) { case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: irq = &ares->data.extended_irq; - dev->irq_polarity = irq->polarity; + dev->irq_active_low = irq->polarity == ACPI_ACTIVE_LOW; break; case ACPI_RESOURCE_TYPE_GPIO: gpio = &ares->data.gpio; if (gpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT) - dev->irq_polarity = gpio->polarity; + dev->irq_active_low = gpio->polarity == ACPI_ACTIVE_LOW; break; case ACPI_RESOURCE_TYPE_SERIAL_BUS: @@ -834,11 +831,11 @@ static int bcm_acpi_probe(struct bcm_device *dev) return ret; acpi_dev_free_resource_list(&resources); - dmi_id = dmi_first_match(bcm_wrong_irq_dmi_table); + dmi_id = dmi_first_match(bcm_active_low_irq_dmi_table); if (dmi_id) { bt_dev_warn(dev, "%s: Overwriting IRQ polarity to active low", dmi_id->ident); - dev->irq_polarity = *(u8 *)dmi_id->driver_data; + dev->irq_active_low = true; } return 0; |