linux-kernel - [PATCH 10/10] Kconfig: cleanup SERIO

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Date:	Sat, 14 Dec 2013 11:59:36 -0500
From:	Mark Salter <msalter@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Salter <msalter@...hat.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Richard Henderson <rth@...ddle.net>,
	linux-alpha@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org,
	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org, Paul Mundt <lethal@...ux-sh.org>,
	linux-sh@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	sparclinux@...r.kernel.org, Guan Xuetao <gxt@...c.pku.edu.cn>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: [PATCH 10/10] Kconfig: cleanup SERIO_I8042 dependencies

Remove messy dependencies from SERIO_I8042 by having it depend on one
Kconfig symbol (ARCH_MIGHT_HAVE_PC_SERIO) and having architectures
which need it select ARCH_MIGHT_HAVE_PC_SERIO in arch/*/Kconfig.
New architectures are unlikely to need SERIO_I8042, so this avoids
having an ever growing list of architectures to exclude.

Signed-off-by: Mark Salter <msalter@...hat.com>
CC: Dmitry Torokhov <dmitry.torokhov@...il.com>
CC: Richard Henderson <rth@...ddle.net>
CC: linux-alpha@...r.kernel.org
CC: Russell King <linux@....linux.org.uk>
CC: linux-arm-kernel@...ts.infradead.org
CC: Tony Luck <tony.luck@...el.com>
CC: Fenghua Yu <fenghua.yu@...el.com>
CC: linux-ia64@...r.kernel.org
CC: Ralf Baechle <ralf@...ux-mips.org>
CC: linux-mips@...ux-mips.org
CC: Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC: Paul Mackerras <paulus@...ba.org>
CC: linuxppc-dev@...ts.ozlabs.org
CC: Paul Mundt <lethal@...ux-sh.org>
CC: linux-sh@...r.kernel.org
CC: "David S. Miller" <davem@...emloft.net>
CC: sparclinux@...r.kernel.org
CC: Guan Xuetao <gxt@...c.pku.edu.cn>
CC: Ingo Molnar <mingo@...hat.com>
CC: Thomas Gleixner <tglx@...utronix.de>
CC: "H. Peter Anvin" <hpa@...or.com>
CC: x86@...nel.org
---
 drivers/input/serio/Kconfig | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 8541f94..1f5cec2 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -16,14 +16,19 @@ config SERIO
 	  To compile this driver as a module, choose M here: the
 	  module will be called serio.
 
+config ARCH_MIGHT_HAVE_PC_SERIO
+	bool
+	help
+	  Select this config option from the architecture Kconfig if
+	  the architecture might use a PC serio device (i8042) to
+          communicate with keyboard, mouse, etc.
+
 if SERIO
 
 config SERIO_I8042
 	tristate "i8042 PC Keyboard controller"
 	default y
-	depends on !PARISC && (!ARM || FOOTBRIDGE_HOST) && \
-		   (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !S390 && \
-		   !ARC
+	depends on ARCH_MIGHT_HAVE_PC_SERIO
 	help
 	  i8042 is the chip over which the standard AT keyboard and PS/2
 	  mouse are connected to the computer. If you use these devices,
-- 
1.8.3.1

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