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27378f4c1b
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>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.