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media: staging: atomisp: ov2680: constify acpi_device_id

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acpi_device_id are not supposed to change at runtime. All functions
working with acpi_device_id provided by <acpi/acpi_bus.h> work with
const acpi_device_id. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
  12466	   3120	      8	  15594	   3cea drivers/staging/media/atomisp/i2c/ov2680.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  12530	   3056	      8	  15594	   3cea drivers/staging/media/atomisp/i2c/ov2680.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Arvind Yadav 2017-07-06 12:07:08 -04:00 committed by Mauro Carvalho Chehab
parent 366633d3e2
commit e2d9211103
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/media/atomisp/i2c/ov2680.c
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@ -1517,7 +1517,7 @@ static int ov2680_probe(struct i2c_client *client,
return ret;
}
static struct acpi_device_id ov2680_acpi_match[] = {
static const struct acpi_device_id ov2680_acpi_match[] = {
{"XXOV2680"},
{"OVTI2680"},
{},