On Tue, Jul 18, 2017 at 02:25:45PM +0100, Harvey Hunt wrote: > Previously, <linux/module.h> was included before ralink_regs.h in all > ralink files - leading to <linux/io.h> being implicitly included. > > After commit 26dd3e4ff9ac ("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>. Looks sensible, applied. But I'm wondering why I don't see this in my test builds. Ralf