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When compiling a driver which includes both include/linux/acpi.h and
include/acpi/acpi_bus.h for when CONFIG_ACPI=n for i386, I get this:
/include/acpi/acpi_bus.h:53:20: error: conflicting types for ‘acpi_evaluate_dsm’
union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
^~~~~~~~~~~~~~~~~
In file included from drivers/scsi/hisi_sas/hisi_sas.h:10:0,
from drivers/scsi/hisi_sas/hisi_sas_main.c:7:
./include/linux/acpi.h:866:34: note: previous definition of ‘acpi_evaluate_dsm’ was here
static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
^~~~~~~~~~~~~~~~~
Fix by making prototype in include/linux/acpi.h consistent.
Signed-off-by: John Garry <john.garry@huawei.com>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.