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X-Authuid: nmarci
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Date: Sun, 10 Jan 2010 15:35:14 +0100
From: =?UTF-8?B?TsOpbWV0aCBNw6FydG9u?= <nm127@freemail.hu>
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To: Greg Kroah-Hartman <gregkh@suse.de>
CC: linux-usb@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
       Julia Lawall <julia@diku.dk>, cocci@diku.dk
Subject: [PATCH 8/9] USB gadget: make Open Firmware device id constant
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From: Márton Németh <nm127@freemail.hu>

The match_table field of the struct of_device_id is constant in <linux/of_platform.h>
so it is worth to make ace_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@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
---
diff -u -p a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
--- a/drivers/usb/gadget/fsl_qe_udc.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/usb/gadget/fsl_qe_udc.c 2010-01-08 17:11:53.000000000 +0100
@@ -2749,7 +2749,7 @@ static int __devexit qe_udc_remove(struc
 }

 /*-------------------------------------------------------------------------*/
-static struct of_device_id __devinitdata qe_udc_match[] = {
+static const struct of_device_id qe_udc_match[] __devinitconst = {
 	{
 		.compatible = "fsl,mpc8323-qe-usb",
 		.data = (void *)PORT_QE,