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authorLukas Wunner <lukas@wunner.de>2017-12-26 17:07:34 +0200
committerMarcel Holtmann <marcel@holtmann.org>2017-12-26 21:53:45 +0100
commit27378f4c1b92fe275236c69d2f7f2c27090e7b53 (patch)
tree4ad82399159c9a9ab1dfe40263bbb2ccf623391b /drivers/bluetooth
parent0a03f98b98c201191e3ba15a0e33f46d8660e1fd (diff)
Bluetooth: Avoid WARN splat due to missing GPIOLIB
Loading hci_bcm with CONFIG_GPIOLIB=n results in the following splat when calling gpiod_to_irq() from bcm_get_resources(): WARNING: CPU: 0 PID: 1006 at ./include/linux/gpio/consumer.h:450 bcm_get_resources+0x50/0x80 CPU: 0 PID: 1006 Comm: kworker/u8:4 Tainted: G A 4.15.0-rc4custom+ #4 Hardware name: Apple Inc. MacBook8,1/Mac-BE0E8AC46FE800CC, BIOS MB81.88Z.0168.B00.1708080033 08/08/2017 Call Trace: bcm_serdev_probe+0x8b/0xc0 driver_probe_device+0x202/0x310 __driver_attach+0x85/0x90 ? driver_probe_device+0x310/0x310 bus_for_each_dev+0x57/0x80 async_run_entry_fn+0x2c/0xd0 process_one_work+0x1d2/0x3d0 worker_thread+0x26/0x3c0 ? process_one_work+0x3d0/0x3d0 kthread+0x10c/0x130 ? kthread_create_on_node+0x40/0x40 ret_from_fork+0x1f/0x30 We could call gpiod_to_irq() only if IS_ENABLED(CONFIG_GPIOLIB) but without GPIOLIB, the driver's power saving features can't be used, so selecting GPIOLIB seems more appropriate. The same issue is present in hci_intel.c and hci_nokia.c, fix those up as well. Reported-by: Max Shavrick <mxms@me.com> Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 45a2f59cd935..41932f0e68d0 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -110,6 +110,7 @@ config BT_HCIUART_NOKIA
depends on PM
select BT_HCIUART_H4
select BT_BCM
+ select GPIOLIB
help
Nokia H4+ is serial protocol for communication between Bluetooth
device and host. This protocol is required for Bluetooth devices
@@ -170,6 +171,7 @@ config BT_HCIUART_INTEL
depends on BT_HCIUART
select BT_HCIUART_H4
select BT_INTEL
+ select GPIOLIB
help
The Intel protocol support enables Bluetooth HCI over serial
port interface for Intel Bluetooth controllers.
@@ -183,6 +185,7 @@ config BT_HCIUART_BCM
depends on (!ACPI || SERIAL_DEV_CTRL_TTYPORT)
select BT_HCIUART_H4
select BT_BCM
+ select GPIOLIB
help
The Broadcom protocol support enables Bluetooth HCI over serial
port interface for Broadcom Bluetooth controllers.