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The ACPI idle driver will default to ACPI_CSTATE_HALT for C1 if a _CST object for C1 is not defined. However, the description will not be set, so users will see "<null>" when reading the description from sysfs. Set the C1 state description when defaulting to ACPI_CSTATE_HALT. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.