linux-kernel - [PATCH] sh: Fix build error caused by missing dependencies

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Date:	Tue,  2 Sep 2014 10:39:04 -0400
From:	Pranith Kumar <bobby.prani@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Vivek Goyal <vgoyal@...hat.com>,
	Magnus Damm <damm@...nsource.se>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Mark Salter <msalter@...hat.com>,
	Kees Cook <keescook@...omium.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	"Steven Rostedt (Red Hat)" <rostedt@...dmis.org>,
	Robert Graffham <psquid@...uid.net>,
	Paul Bolle <pebolle@...cali.nl>,
	linux-sh@...r.kernel.org (open list:SUPERH),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] sh: Fix build error caused by missing dependencies

Fix a sh4-randconfig build failure which has the following splat:

arch/sh/mm/cache-sh4.c:99:17: error: 'cached_to_uncached' undeclared (first use in this function)
arch/sh/mm/cache-sh4.c:192:2: error: implicit declaration of function 'cpu_context' [-Werror=implicit-function-declaration]

These errors are caused by missing dependencies on UNCACHED_MAPPING and MMU.

Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Signed-off-by: Pranith Kumar <bobby.prani@...il.com>
---
 arch/sh/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 244fb4c..619d5eb 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -194,6 +194,8 @@ config CPU_SH4
 	select SH_INTC
 	select SYS_SUPPORTS_SH_TMU
 	select SYS_SUPPORTS_HUGETLBFS if MMU
+	select UNCACHED_MAPPING
+	select MMU
 
 config CPU_SH4A
 	bool
-- 
2.1.0

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