Re: [PATCH v2 2/4] rtc: omap: Adopt driver to support probe deferral

[Johan Hovold <johan@kernel.org>]

On Thu, Sep 25, 2014 at 03:02:07PM +0530, Lokesh Vutla wrote:

Perhaps the subject should simply be "use module_platform_driver", then
you can explain your motive for the change in the body as you already do.

> module_platform_driver_probe() prevents driver from requesting probe deferral.
> So using module_platform_drive() to support probe deferral.
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
> Changes since V1:
> 	- New patch, seperated from patch 4/4.
>  drivers/rtc/rtc-omap.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
> index 4e90b50..93c5424 100644
> --- a/drivers/rtc/rtc-omap.c
> +++ b/drivers/rtc/rtc-omap.c
> @@ -397,7 +397,7 @@ static const struct of_device_id omap_rtc_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
>  
> -static int __init omap_rtc_probe(struct platform_device *pdev)
> +static int omap_rtc_probe(struct platform_device *pdev)
>  {
>  	struct resource		*res;
>  	struct rtc_omap_dev	*rtc_omap;
> @@ -601,6 +601,7 @@ static void omap_rtc_shutdown(struct platform_device *pdev)
>  }
>  
>  static struct platform_driver omap_rtc_driver = {
> +	.probe		= omap_rtc_probe,
>  	.remove		= __exit_p(omap_rtc_remove),
>  	.shutdown	= omap_rtc_shutdown,
>  	.driver		= {

You should also drop the .owner field of .driver, which is set by the
module_platform_driver macro.

> @@ -612,7 +613,7 @@ static struct platform_driver omap_rtc_driver = {
>  	.id_table	= omap_rtc_devtype,
>  };
>  
> -module_platform_driver_probe(omap_rtc_driver, omap_rtc_probe);
> +module_platform_driver(omap_rtc_driver);
>  
>  MODULE_ALIAS("platform:omap_rtc");
>  MODULE_AUTHOR("George G. Davis (and others)");

Johan