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Previously, <linux/module.h> was included before ralink_regs.h in all ralink files - leading to <linux/io.h> being implicitly included. After commit26dd3e4ff9("MIPS: Audit and remove any unnecessary uses of module.h") removed the inclusion of module.h from multiple places, some ralink platforms failed to build with the following error: In file included from arch/mips/ralink/mt7620.c:17:0: ./arch/mips/include/asm/mach-ralink/ralink_regs.h: In function ‘rt_sysc_w32’: ./arch/mips/include/asm/mach-ralink/ralink_regs.h:38:2: error: implicit declaration of function ‘__raw_writel’ [-Werror=implicit-function-declaration] __raw_writel(val, rt_sysc_membase + reg); ^ ./arch/mips/include/asm/mach-ralink/ralink_regs.h: In function ‘rt_sysc_r32’: ./arch/mips/include/asm/mach-ralink/ralink_regs.h:43:2: error: implicit declaration of function ‘__raw_readl’ [-Werror=implicit-function-declaration] return __raw_readl(rt_sysc_membase + reg); Fix this by including <linux/io.h>. Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Fixes:26dd3e4ff9("MIPS: Audit and remove any unnecessary uses of module.h") Cc: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> #4.11+ Patchwork: https://patchwork.linux-mips.org/patch/16780/ Signed-off-by: Ralf Baechle <ralf@linux-mips.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.