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spi: make Open Firmware device id constant

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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 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: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Márton Németh 2010-01-20 13:49:44 -07:00 committed by Grant Likely
parent 68ea2d82c3
commit 631e61b7ca
4 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/spi/mpc52xx_psc_spi.c
View File

@ -503,7 +503,7 @@ static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op)
return mpc52xx_psc_spi_do_remove(&op->dev);
}
static struct of_device_id mpc52xx_psc_spi_of_match[] = {
static const struct of_device_id mpc52xx_psc_spi_of_match[] = {
{ .compatible = "fsl,mpc5200-psc-spi", },
{ .compatible = "mpc5200-psc-spi", }, /* old */
{}

2
drivers/spi/mpc52xx_spi.c
View File

@ -550,7 +550,7 @@ static int __devexit mpc52xx_spi_remove(struct of_device *op)
return 0;
}
static struct of_device_id mpc52xx_spi_match[] __devinitdata = {
static const struct of_device_id mpc52xx_spi_match[] __devinitconst = {
{ .compatible = "fsl,mpc5200-spi", },
{}
};

2
drivers/spi/spi_ppc4xx.c
View File

@ -578,7 +578,7 @@ static int __exit spi_ppc4xx_of_remove(struct of_device *op)
return 0;
}
static struct of_device_id spi_ppc4xx_of_match[] = {
static const struct of_device_id spi_ppc4xx_of_match[] = {
{ .compatible = "ibm,ppc4xx-spi", },
{},
};

2
drivers/spi/xilinx_spi_of.c
View File

@ -99,7 +99,7 @@ static int __exit xilinx_spi_of_remove(struct of_device *op)
return xilinx_spi_remove(op);
}
static struct of_device_id xilinx_spi_of_match[] = {
static const struct of_device_id xilinx_spi_of_match[] = {
{ .compatible = "xlnx,xps-spi-2.00.a", },
{ .compatible = "xlnx,xps-spi-2.00.b", },
{}