[PATCH] staging: atomisp: ov8858: 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
  23804	   8448	      0	  32252	   7dfc drivers/staging/media/atomisp/i2c/ov8858.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  23868	   8384	      0	  32252	   7dfc drivers/staging/media/atomisp/i2c/ov8858.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/staging/media/atomisp/i2c/ov8858.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/i2c/ov8858.c b/drivers/staging/media/atomisp/i2c/ov8858.c
index 9574bc4..43e1638 100644
--- a/drivers/staging/media/atomisp/i2c/ov8858.c
+++ b/drivers/staging/media/atomisp/i2c/ov8858.c
@@ -2189,7 +2189,7 @@ static const struct i2c_device_id ov8858_id[] = {
 
 MODULE_DEVICE_TABLE(i2c, ov8858_id);
 
-static struct acpi_device_id ov8858_acpi_match[] = {
+static const struct acpi_device_id ov8858_acpi_match[] = {
 	{"INT3477"},
 	{},
 };
-- 
2.7.4

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