powerpc/macintosh: Make Open Firmware device id constant
commit46759a7c132648d79121518d2f7c34edc3f0cf58
authorMárton Németh <nm127@freemail.hu>
Sun, 10 Jan 2010 01:43:14 +0000 (10 01:43 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 15 Jan 2010 02:26:04 +0000 (15 13:26 +1100)
treefd61a6427c502907a863408beaf391853bdc5436
parent4bf936b9e484bb8ee5f32bfd1351893810864f58
powerpc/macintosh: Make Open Firmware device id constant

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
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
drivers/macintosh/smu.c
drivers/macintosh/therm_pm72.c
drivers/macintosh/therm_windtunnel.c