Re: [PATCH v2 06/19] mailbox: hi3660: Use device-managed registration API

From: leo . yan
Date: Tue Dec 18 2018 - 04:16:16 EST


On Mon, Dec 17, 2018 at 04:02:04PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> Get rid of some boilerplate driver removal code by using the newly added
> device-managed registration API.

Tested-by: Leo Yan <leo.yan@xxxxxxxxxx>

> Cc: Kevin Wangtao <kevin.wangtao@xxxxxxxxxxxxx>
> Cc: Kaihua Zhong <zhongkaihua@xxxxxxxxxx>
> Cc: Ruyi Wang <wangruyi@xxxxxxxxxx>
> Cc: Leo Yan <leo.yan@xxxxxxxxxx>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> drivers/mailbox/hi3660-mailbox.c | 11 +----------
> 1 file changed, 1 insertion(+), 10 deletions(-)
>
> diff --git a/drivers/mailbox/hi3660-mailbox.c b/drivers/mailbox/hi3660-mailbox.c
> index f9aed5d8f9f1..53f4bc2488c5 100644
> --- a/drivers/mailbox/hi3660-mailbox.c
> +++ b/drivers/mailbox/hi3660-mailbox.c
> @@ -265,7 +265,7 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
> for (ch = 0; ch < MBOX_CHAN_MAX; ch++)
> chan[ch].con_priv = (void *)ch;
>
> - err = mbox_controller_register(&mbox->controller);
> + err = devm_mbox_controller_register(dev, &mbox->controller);
> if (err) {
> dev_err(dev, "Failed to register mailbox %d\n", err);
> return err;
> @@ -276,17 +276,8 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static int hi3660_mbox_remove(struct platform_device *pdev)
> -{
> - struct hi3660_mbox *mbox = platform_get_drvdata(pdev);
> -
> - mbox_controller_unregister(&mbox->controller);
> - return 0;
> -}
> -
> static struct platform_driver hi3660_mbox_driver = {
> .probe = hi3660_mbox_probe,
> - .remove = hi3660_mbox_remove,
> .driver = {
> .name = "hi3660-mbox",
> .of_match_table = hi3660_mbox_of_match,
> --
> 2.19.1
>