From: Krzysztof Kozlowski <krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
Cc: Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Javier Martinez Canillas
<javier-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 1/3] watchdog: s3c2410: Constify local structures
Date: Mon, 13 Mar 2017 08:47:13 +0200 [thread overview]
Message-ID: <CAJKOXPdg4eUUB64GZJK2+AOfsQxLHPh6qceZGJfYfhOA=Gvqbw@mail.gmail.com> (raw)
In-Reply-To: <d91a14cc-d741-f4ff-7411-64d4862b6e50-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
On Sun, Mar 12, 2017 at 10:56 PM, Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org> wrote:
> On 03/11/2017 09:42 AM, Krzysztof Kozlowski wrote:
>>
>> Structures watchdog_device, watchdog_ops and s3c2410_wdt_variant are not
>> modified so they can be made const to increase code safeness.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
>> ---
>> drivers/watchdog/s3c2410_wdt.c | 10 +++++-----
>> 1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/watchdog/s3c2410_wdt.c
>> b/drivers/watchdog/s3c2410_wdt.c
>> index 6ed97596ca80..5eaec319e499 100644
>> --- a/drivers/watchdog/s3c2410_wdt.c
>> +++ b/drivers/watchdog/s3c2410_wdt.c
>> @@ -131,7 +131,7 @@ struct s3c2410_wdt {
>> unsigned long wtdat_save;
>> struct watchdog_device wdt_device;
>> struct notifier_block freq_transition;
>> - struct s3c2410_wdt_variant *drv_data;
>> + const struct s3c2410_wdt_variant *drv_data;
>> struct regmap *pmureg;
>> };
>>
>> @@ -401,7 +401,7 @@ static const struct watchdog_ops s3c2410wdt_ops = {
>> .restart = s3c2410wdt_restart,
>> };
>>
>> -static struct watchdog_device s3c2410_wdd = {
>> +static const struct watchdog_device s3c2410_wdd = {
>> .info = &s3c2410_wdt_ident,
>> .ops = &s3c2410wdt_ops,
>> .timeout = S3C2410_WATCHDOG_DEFAULT_TIME,
>> @@ -507,15 +507,15 @@ static inline unsigned int
>> s3c2410wdt_get_bootstatus(struct s3c2410_wdt *wdt)
>> return 0;
>> }
>>
>> -static inline struct s3c2410_wdt_variant *
>> +static inline const struct s3c2410_wdt_variant *
>> s3c2410_get_wdt_drv_data(struct platform_device *pdev)
>> {
>> if (pdev->dev.of_node) {
>> const struct of_device_id *match;
>> match = of_match_node(s3c2410_wdt_match,
>> pdev->dev.of_node);
>> - return (struct s3c2410_wdt_variant *)match->data;
>> + return (const struct s3c2410_wdt_variant *)match->data;
>
>
> The const in this typecast isn't necessary.
>
>> } else {
>> - return (struct s3c2410_wdt_variant *)
>> + return (const struct s3c2410_wdt_variant *)
>
>
> Same here. Transition to const is automatic.
Right, I'll fix this and resend.
Best regards,
Krzysztof
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next prev parent reply other threads:[~2017-03-13 6:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-11 17:42 [PATCH v2 0/3] watchdog: s3c2410: Minor cleanups Krzysztof Kozlowski
[not found] ` <20170311174255.23327-1-krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-03-11 17:42 ` [PATCH v2 1/3] watchdog: s3c2410: Constify local structures Krzysztof Kozlowski
[not found] ` <20170311174255.23327-2-krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-03-12 20:56 ` Guenter Roeck
[not found] ` <d91a14cc-d741-f4ff-7411-64d4862b6e50-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
2017-03-13 6:47 ` Krzysztof Kozlowski [this message]
2017-03-11 17:42 ` [PATCH v2 2/3] watchdog: s3c2410: Simplify getting driver data Krzysztof Kozlowski
2017-03-12 21:00 ` Guenter Roeck
2017-03-11 17:42 ` [PATCH v2 3/3] watchdog: s3c2410: Minor code cleanup Krzysztof Kozlowski
2017-03-12 21:01 ` Guenter Roeck
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