diff options
| author | Márton Németh <nm127@freemail.hu> | 2010-02-02 23:41:06 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-02-02 23:41:06 -0700 |
| commit | 4b1cf1facca31b7db2a61d8aa2ba40d5a93a0957 (patch) | |
| tree | 97fd86a2a15a6e482546b7f8b92e47c5a56a2aaa /drivers/dma | |
| parent | 9c3a50b7d7ec45da34e73cac66cde12dd6092dd8 (diff) | |
| download | linux-4b1cf1facca31b7db2a61d8aa2ba40d5a93a0957.tar.gz | |
dma: 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
[dan.j.williams@intel.com: resolved conflict with recent fsldma updates]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/fsldma.c | 2 | ||||
| -rw-r--r-- | drivers/dma/ppc4xx/adma.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 19011c20390b..92efa87258b9 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1398,7 +1398,7 @@ static int fsldma_of_remove(struct of_device *op) return 0; } -static struct of_device_id fsldma_of_ids[] = { +static const struct of_device_id fsldma_of_ids[] = { { .compatible = "fsl,eloplus-dma", }, { .compatible = "fsl,elo-dma", }, {} diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index 0a3478e910f0..e69d87f24a25 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -4940,7 +4940,7 @@ out_free: return ret; } -static struct of_device_id __devinitdata ppc440spe_adma_of_match[] = { +static const struct of_device_id ppc440spe_adma_of_match[] __devinitconst = { { .compatible = "ibm,dma-440spe", }, { .compatible = "amcc,xor-accelerator", }, {}, |