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debf3c3473
commit 4aac453deca0d9c61df18d968f8864c3ae7d3d8d upstream.
Previously, after `rmmod acpi_tad`, `modprobe acpi_tad` would fail
with this dmesg:
sysfs: cannot create duplicate filename '/devices/platform/ACPI000E:00/time'
Call Trace:
<TASK>
dump_stack_lvl+0x6c/0x90
dump_stack+0x10/0x20
sysfs_warn_dup+0x8b/0xa0
sysfs_add_file_mode_ns+0x122/0x130
internal_create_group+0x1dd/0x4c0
sysfs_create_group+0x13/0x20
acpi_tad_probe+0x147/0x1f0 [acpi_tad]
platform_probe+0x42/0xb0
</TASK>
acpi-tad ACPI000E:00: probe with driver acpi-tad failed with error -17
Fixes: 3230b2b3c1 ("ACPI: TAD: Add low-level support for real time capability")
Signed-off-by: Daniel Tang <danielzgtg.opensource@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://patch.msgid.link/2881298.hMirdbgypa@daniel-desktop3
Cc: 5.2+ <stable@vger.kernel.org> # 5.2+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.