Re: [PATCH -next] vfio/fsl-mc: use module_fsl_mc_driver() macro

From: Alex Williamson
Date: Fri Aug 11 2023 - 11:19:22 EST


On Fri, 11 Aug 2023 17:29:11 +0800
Yang Yingliang <yangyingliang@xxxxxxxxxx> wrote:

> The driver init/exit() function don't do anything special, it
> can use the module_fsl_mc_driver() macro to eliminate boilerplate
> code.
>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> ---
> drivers/vfio/fsl-mc/vfio_fsl_mc.c | 14 +-------------
> 1 file changed, 1 insertion(+), 13 deletions(-)

Your colleague submitted a nearly identical patch, but also removing
the redundant module owner, 2 days ago:

https://lore.kernel.org/all/20230809131536.4021639-1-lizetao1@xxxxxxxxxx/

Thanks,
Alex

>
> diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc.c b/drivers/vfio/fsl-mc/vfio_fsl_mc.c
> index f2140e94d41e..8053f13c2be5 100644
> --- a/drivers/vfio/fsl-mc/vfio_fsl_mc.c
> +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc.c
> @@ -604,19 +604,7 @@ static struct fsl_mc_driver vfio_fsl_mc_driver = {
> },
> .driver_managed_dma = true,
> };
> -
> -static int __init vfio_fsl_mc_driver_init(void)
> -{
> - return fsl_mc_driver_register(&vfio_fsl_mc_driver);
> -}
> -
> -static void __exit vfio_fsl_mc_driver_exit(void)
> -{
> - fsl_mc_driver_unregister(&vfio_fsl_mc_driver);
> -}
> -
> -module_init(vfio_fsl_mc_driver_init);
> -module_exit(vfio_fsl_mc_driver_exit);
> +module_fsl_mc_driver(vfio_fsl_mc_driver);
>
> MODULE_LICENSE("Dual BSD/GPL");
> MODULE_DESCRIPTION("VFIO for FSL-MC devices - User Level meta-driver");