Re: [PATCH 1/2] MIPS: ralink: Fix build error due to missing header

[Ralf Baechle]

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 ârt_sysc_w32â:
> ./arch/mips/include/asm/mach-ralink/ralink_regs.h:38:2: error: implicit declaration of function â__raw_writelâ [-Werror=implicit-function-declaration]
>   __raw_writel(val, rt_sysc_membase + reg);
>   ^
> ./arch/mips/include/asm/mach-ralink/ralink_regs.h: In function ârt_sysc_r32â:
> ./arch/mips/include/asm/mach-ralink/ralink_regs.h:43:2: error: implicit declaration of function â__raw_readlâ [-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