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The MIPS loongson cpufreq drivers don't build unless configured for the correct machine type, due to dependency on machine specific architecture headers and symbols in machine specific platform code. More specifically loongson1-cpufreq.c uses RST_CPU_EN and RST_CPU, neither of which is defined in asm/mach-loongson32/regs-clk.h unless CONFIG_LOONGSON1_LS1B=y, and loongson2_cpufreq.c references loongson2_clockmod_table[], which is only defined in arch/mips/loongson64/lemote-2f/clock.c, i.e. when CONFIG_LEMOTE_MACH2F=y. Add these dependencies to Kconfig to avoid randconfig / allyesconfig build failures (e.g. when based on BMIPS which also has a cpufreq driver). Signed-off-by: James Hogan <jhogan@kernel.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> 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.