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MTF_CORE should be enabled when driver is enabled. Without this patch you can configure: CONFIG_MFD_CORE is not set CONFIG_MFD_TPS65086=y ... which ends up with compilation error: drivers/mfd/tps65086.o: In function `tps65086_probe': drivers/mfd/tps65086.c:110: undefined reference to `mfd_add_devices' drivers/mfd/tps65086.c:110:(.text+0x128): relocation truncated to fit: \ R_AARCH64_CALL26 against undefined symbol `mfd_add_devices' Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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.