From: "Németh Márton" <nm127@freemail.hu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, LKML <linux-kernel@vger.kernel.org>,
Julia Lawall <julia@diku.dk>,
cocci@diku.dk
Subject: [PATCH] macintosh: make Open Firmware device id constant
Date: Sun, 10 Jan 2010 12:43:14 +0100 [thread overview]
Message-ID: <4B49BD52.4080109@freemail.hu> (raw)
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 the initialization data 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/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
--- a/drivers/macintosh/therm_windtunnel.c 2010-01-07 19:08:40.000000000 +0100
+++ b/drivers/macintosh/therm_windtunnel.c 2010-01-08 04:47:10.000000000 +0100
@@ -457,7 +457,7 @@ therm_of_remove( struct of_device *dev )
return 0;
}
-static struct of_device_id therm_of_match[] = {{
+static const struct of_device_id therm_of_match[] = {{
.name = "fan",
.compatible = "adm1030"
}, {}
diff -u -p a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
--- a/drivers/macintosh/smu.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/macintosh/smu.c 2010-01-08 04:47:28.000000000 +0100
@@ -660,7 +660,7 @@ static int smu_platform_probe(struct of_
return 0;
}
-static struct of_device_id smu_platform_match[] =
+static const struct of_device_id smu_platform_match[] =
{
{
.type = "smu",
diff -u -p a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
--- a/drivers/macintosh/therm_pm72.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/macintosh/therm_pm72.c 2010-01-08 04:50:17.000000000 +0100
@@ -2211,7 +2211,7 @@ static int fcu_of_remove(struct of_devic
return 0;
}
-static struct of_device_id fcu_match[] =
+static const struct of_device_id fcu_match[] =
{
{
.type = "fcu",
reply other threads:[~2010-01-10 11:43 UTC|newest]
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