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macintosh/rack-meter: Make of_device_ids const

Browse source 
of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
    407	    576	      0	    983	    3d7	drivers/macintosh/rack-meter.o

File size after constify rackmeter_match.
   text	   data	    bss	    dec	    hex	filename
    807	    176	      0	    983	    3d7	drivers/macintosh/rack-meter.o

Signed-off-by: Arvind Yadav <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
This commit is contained in:
Arvind Yadav 2017-06-19 11:14:25 +05:30 • committed by Michael Ellerman
commit 516fa8d0e1
1 changed files with 1 additions and 1 deletions
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2
drivers/macintosh/rack-meter.c
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@ -579,7 +579,7 @@ static int rackmeter_shutdown(struct macio_dev* mdev)
return 0;
}
static struct of_device_id rackmeter_match[] = {
static const struct of_device_id rackmeter_match[] = {
{ .name = "i2s" },
{ }
};