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* [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver()
@ 2021-10-01 15:03 Andy Shevchenko
  2021-10-04  6:44 ` Rodolfo Giometti
  2021-10-06  6:54 ` Rodolfo Giometti
  0 siblings, 2 replies; 5+ messages in thread
From: Andy Shevchenko @ 2021-10-01 15:03 UTC (permalink / raw)
  To: Andy Shevchenko, linux-kernel; +Cc: Rodolfo Giometti, Alexander Gordeev

Switch to use module_parport_driver() to reduce boilerplate code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v2: remove useless message (Greg), Cc to the original (hopefully) author
 drivers/pps/generators/pps_gen_parport.c | 42 ++++--------------------
 1 file changed, 7 insertions(+), 35 deletions(-)

diff --git a/drivers/pps/generators/pps_gen_parport.c b/drivers/pps/generators/pps_gen_parport.c
index 6a1af7664f3b..fba6c490977c 100644
--- a/drivers/pps/generators/pps_gen_parport.c
+++ b/drivers/pps/generators/pps_gen_parport.c
@@ -20,8 +20,6 @@
 #include <linux/hrtimer.h>
 #include <linux/parport.h>
 
-#define DRVDESC "parallel port PPS signal generator"
-
 #define SIGNAL		0
 #define NO_SIGNAL	PARPORT_CONTROL_STROBE
 
@@ -180,6 +178,11 @@ static void parport_attach(struct parport *port)
 {
 	struct pardev_cb pps_cb;
 
+	if (send_delay > SEND_DELAY_MAX) {
+		pr_err("delay value should be not greater then %d\n", SEND_DELAY_MAX);
+		return -EINVAL;
+	}
+
 	if (attached) {
 		/* we already have a port */
 		return;
@@ -231,39 +234,8 @@ static struct parport_driver pps_gen_parport_driver = {
 	.detach = parport_detach,
 	.devmodel = true,
 };
-
-/* module staff */
-
-static int __init pps_gen_parport_init(void)
-{
-	int ret;
-
-	pr_info(DRVDESC "\n");
-
-	if (send_delay > SEND_DELAY_MAX) {
-		pr_err("delay value should be not greater"
-				" then %d\n", SEND_DELAY_MAX);
-		return -EINVAL;
-	}
-
-	ret = parport_register_driver(&pps_gen_parport_driver);
-	if (ret) {
-		pr_err("unable to register with parport\n");
-		return ret;
-	}
-
-	return  0;
-}
-
-static void __exit pps_gen_parport_exit(void)
-{
-	parport_unregister_driver(&pps_gen_parport_driver);
-	pr_info("hrtimer avg error is %ldns\n", hrtimer_error);
-}
-
-module_init(pps_gen_parport_init);
-module_exit(pps_gen_parport_exit);
+module_parport_driver(pps_gen_parport_driver);
 
 MODULE_AUTHOR("Alexander Gordeev <lasaine@lvk.cs.msu.su>");
-MODULE_DESCRIPTION(DRVDESC);
+MODULE_DESCRIPTION("parallel port PPS signal generator");
 MODULE_LICENSE("GPL");
-- 
2.33.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver()
  2021-10-01 15:03 [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver() Andy Shevchenko
@ 2021-10-04  6:44 ` Rodolfo Giometti
  2021-10-04  7:32   ` Andy Shevchenko
  2021-10-06  6:54 ` Rodolfo Giometti
  1 sibling, 1 reply; 5+ messages in thread
From: Rodolfo Giometti @ 2021-10-04  6:44 UTC (permalink / raw)
  To: Andy Shevchenko, linux-kernel; +Cc: Alexander Gordeev

On 01/10/21 17:03, Andy Shevchenko wrote:
> Switch to use module_parport_driver() to reduce boilerplate code.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> v2: remove useless message (Greg), Cc to the original (hopefully) author
>  drivers/pps/generators/pps_gen_parport.c | 42 ++++--------------------
>  1 file changed, 7 insertions(+), 35 deletions(-)
> 
> diff --git a/drivers/pps/generators/pps_gen_parport.c b/drivers/pps/generators/pps_gen_parport.c
> index 6a1af7664f3b..fba6c490977c 100644
> --- a/drivers/pps/generators/pps_gen_parport.c
> +++ b/drivers/pps/generators/pps_gen_parport.c
> @@ -20,8 +20,6 @@
>  #include <linux/hrtimer.h>
>  #include <linux/parport.h>
>  
> -#define DRVDESC "parallel port PPS signal generator"
> -

I suppose this is not so important to be able to switch to use
module_parport_driver(), isn't it?

However, aprat this silly note, the patch is OK for me. :)

Ciao,

Rodolfo

-- 
GNU/Linux Solutions                  e-mail: giometti@enneenne.com
Linux Device Driver                          giometti@linux.it
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver()
  2021-10-04  6:44 ` Rodolfo Giometti
@ 2021-10-04  7:32   ` Andy Shevchenko
  0 siblings, 0 replies; 5+ messages in thread
From: Andy Shevchenko @ 2021-10-04  7:32 UTC (permalink / raw)
  To: Rodolfo Giometti
  Cc: Andy Shevchenko, Linux Kernel Mailing List, Alexander Gordeev

On Mon, Oct 4, 2021 at 9:52 AM Rodolfo Giometti <giometti@enneenne.com> wrote:
>
> On 01/10/21 17:03, Andy Shevchenko wrote:
> > Switch to use module_parport_driver() to reduce boilerplate code.

...

> > -#define DRVDESC "parallel port PPS signal generator"
> > -
>
> I suppose this is not so important to be able to switch to use
> module_parport_driver(), isn't it?
>
> However, aprat this silly note, the patch is OK for me. :)

Thanks! Can you give a formal tag?

-- 
With Best Regards,
Andy Shevchenko

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver()
  2021-10-01 15:03 [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver() Andy Shevchenko
  2021-10-04  6:44 ` Rodolfo Giometti
@ 2021-10-06  6:54 ` Rodolfo Giometti
  2022-02-03 15:09   ` Andy Shevchenko
  1 sibling, 1 reply; 5+ messages in thread
From: Rodolfo Giometti @ 2021-10-06  6:54 UTC (permalink / raw)
  To: Andy Shevchenko, linux-kernel; +Cc: Alexander Gordeev

On 01/10/21 17:03, Andy Shevchenko wrote:
> Switch to use module_parport_driver() to reduce boilerplate code.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Rodolfo Giometti <giometti@enneenne.com>

> ---
> v2: remove useless message (Greg), Cc to the original (hopefully) author
>  drivers/pps/generators/pps_gen_parport.c | 42 ++++--------------------
>  1 file changed, 7 insertions(+), 35 deletions(-)
> 
> diff --git a/drivers/pps/generators/pps_gen_parport.c b/drivers/pps/generators/pps_gen_parport.c
> index 6a1af7664f3b..fba6c490977c 100644
> --- a/drivers/pps/generators/pps_gen_parport.c
> +++ b/drivers/pps/generators/pps_gen_parport.c
> @@ -20,8 +20,6 @@
>  #include <linux/hrtimer.h>
>  #include <linux/parport.h>
>  
> -#define DRVDESC "parallel port PPS signal generator"
> -
>  #define SIGNAL		0
>  #define NO_SIGNAL	PARPORT_CONTROL_STROBE
>  
> @@ -180,6 +178,11 @@ static void parport_attach(struct parport *port)
>  {
>  	struct pardev_cb pps_cb;
>  
> +	if (send_delay > SEND_DELAY_MAX) {
> +		pr_err("delay value should be not greater then %d\n", SEND_DELAY_MAX);
> +		return -EINVAL;
> +	}
> +
>  	if (attached) {
>  		/* we already have a port */
>  		return;
> @@ -231,39 +234,8 @@ static struct parport_driver pps_gen_parport_driver = {
>  	.detach = parport_detach,
>  	.devmodel = true,
>  };
> -
> -/* module staff */
> -
> -static int __init pps_gen_parport_init(void)
> -{
> -	int ret;
> -
> -	pr_info(DRVDESC "\n");
> -
> -	if (send_delay > SEND_DELAY_MAX) {
> -		pr_err("delay value should be not greater"
> -				" then %d\n", SEND_DELAY_MAX);
> -		return -EINVAL;
> -	}
> -
> -	ret = parport_register_driver(&pps_gen_parport_driver);
> -	if (ret) {
> -		pr_err("unable to register with parport\n");
> -		return ret;
> -	}
> -
> -	return  0;
> -}
> -
> -static void __exit pps_gen_parport_exit(void)
> -{
> -	parport_unregister_driver(&pps_gen_parport_driver);
> -	pr_info("hrtimer avg error is %ldns\n", hrtimer_error);
> -}
> -
> -module_init(pps_gen_parport_init);
> -module_exit(pps_gen_parport_exit);
> +module_parport_driver(pps_gen_parport_driver);
>  
>  MODULE_AUTHOR("Alexander Gordeev <lasaine@lvk.cs.msu.su>");
> -MODULE_DESCRIPTION(DRVDESC);
> +MODULE_DESCRIPTION("parallel port PPS signal generator");
>  MODULE_LICENSE("GPL");
> 


-- 
GNU/Linux Solutions                  e-mail: giometti@enneenne.com
Linux Device Driver                          giometti@linux.it
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver()
  2021-10-06  6:54 ` Rodolfo Giometti
@ 2022-02-03 15:09   ` Andy Shevchenko
  0 siblings, 0 replies; 5+ messages in thread
From: Andy Shevchenko @ 2022-02-03 15:09 UTC (permalink / raw)
  To: Rodolfo Giometti; +Cc: linux-kernel, Alexander Gordeev

On Wed, Oct 06, 2021 at 08:54:50AM +0200, Rodolfo Giometti wrote:
> On 01/10/21 17:03, Andy Shevchenko wrote:
> > Switch to use module_parport_driver() to reduce boilerplate code.
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> 
> Acked-by: Rodolfo Giometti <giometti@enneenne.com>

Thanks!

I believe you should send this to Greg. I don't see that his name popped up
in the Cc list (which is generated from MAINTAINERS).

-- 
With Best Regards,
Andy Shevchenko



^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-02-03 15:10 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-10-01 15:03 [PATCH v2 1/1] pps: generators: pps_gen_parport: Switch to use module_parport_driver() Andy Shevchenko
2021-10-04  6:44 ` Rodolfo Giometti
2021-10-04  7:32   ` Andy Shevchenko
2021-10-06  6:54 ` Rodolfo Giometti
2022-02-03 15:09   ` Andy Shevchenko

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