2017-08-13 11:28:40

by Arvind Yadav

Subject: [PATCH] watchdog: max77620_wdt: constify platform_device_id

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

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/watchdog/max77620_wdt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/max77620_wdt.c b/drivers/watchdog/max77620_wdt.c
index 68c41fa..2c9f53e 100644
--- a/drivers/watchdog/max77620_wdt.c
+++ b/drivers/watchdog/max77620_wdt.c
@@ -201,7 +201,7 @@ static int max77620_wdt_remove(struct platform_device *pdev)
return 0;
}

-static struct platform_device_id max77620_wdt_devtype[] = {
+static const struct platform_device_id max77620_wdt_devtype[] = {
{ .name = "max77620-watchdog", },
{ },
};
--
2.7.4

2017-08-14 14:53:08

by Guenter Roeck

Subject: Re: [PATCH] watchdog: max77620_wdt: constify platform_device_id

On Sun, Aug 13, 2017 at 04:58:28PM +0530, Arvind Yadav wrote:
> platform_device_id are not supposed to change at runtime. All functions
> working with platform_device_id provided by <linux/platform_device.h>
> work with const platform_device_id. So mark the non-const structs as
> const.
>
> Signed-off-by: Arvind Yadav <[email protected]>

Reviewed-by: Guenter Roeck <[email protected]>

> ---
> drivers/watchdog/max77620_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/max77620_wdt.c b/drivers/watchdog/max77620_wdt.c
> index 68c41fa..2c9f53e 100644
> --- a/drivers/watchdog/max77620_wdt.c
> +++ b/drivers/watchdog/max77620_wdt.c
> @@ -201,7 +201,7 @@ static int max77620_wdt_remove(struct platform_device *pdev)
> return 0;
> }
>
> -static struct platform_device_id max77620_wdt_devtype[] = {
> +static const struct platform_device_id max77620_wdt_devtype[] = {
> { .name = "max77620-watchdog", },
> { },
> };
> --
> 2.7.4
>
> --
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