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Date:	Sat, 09 Jan 2010 13:55:56 +0100
From:	Németh Márton <nm127@...email.hu>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	linux-input@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/5] input: make Open Firmware device id constant

From: Márton Németh <nm127@...email.hu>

The match_table field of the struct of_device_id is constant in <linux/of_platform.h>
so it is worth to make xps2_of_match also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <nm127@...email.hu>
Cc: Julia Lawall <julia@...u.dk>
Cc: cocci@...u.dk
---
diff -u -p a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c
--- a/drivers/input/serio/xilinx_ps2.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/input/serio/xilinx_ps2.c 2010-01-08 19:13:45.000000000 +0100
@@ -354,7 +354,7 @@ static int __devexit xps2_of_remove(stru
 }

 /* Match table for of_platform binding */
-static struct of_device_id xps2_of_match[] __devinitdata = {
+static const struct of_device_id xps2_of_match[] __devinitconst = {
 	{ .compatible = "xlnx,xps-ps2-1.00.a", },
 	{ /* end of list */ },
 };
--
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