On Tue, Jun 20, 2017 at 11:04:26AM +0530, Arvind Yadav wrote:
> 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@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/cadence_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
> index 8d61e8b..4824b0a 100644
> --- a/drivers/watchdog/cadence_wdt.c
> +++ b/drivers/watchdog/cadence_wdt.c
> @@ -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 */ }
> };
> --
> 1.9.1
>
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