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watchdog: cadence_wdt: make of_device_ids const. 

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
   1962	    612	      4	   2578	    a12	drivers/watchdog/cadence_wdt.o

File size after constify cdns_wdt_of_match:
   text	   data	    bss	    dec	    hex	filename
   2378	    196	      4	   2578	    a12	drivers/watchdog/cadence_wdt.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Arvind Yadav 2017-06-20 11:04:26 +05:30 committed by Wim Van Sebroeck
parent 935988c674
commit 011e29e7d9
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/cadence_wdt.c
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@ -458,7 +458,7 @@ static int __maybe_unused cdns_wdt_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(cdns_wdt_pm_ops, cdns_wdt_suspend, cdns_wdt_resume);
static struct of_device_id cdns_wdt_of_match[] = {
static const struct of_device_id cdns_wdt_of_match[] = {
{ .compatible = "cdns,wdt-r1p2", },
{ /* end of table */ }
};