linux-kernel - Re: [PATCH 1/2] bus: sunxi-rsb: Remove shutdown callback

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Date:   Sat, 05 Nov 2022 20:29:15 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>, Samuel Holland <samuel@...lland.org>
Cc:     Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, Samuel Holland <samuel@...lland.org>
Subject: Re: [PATCH 1/2] bus: sunxi-rsb: Remove shutdown callback

Dne sobota, 05. november 2022 ob 20:19:52 CET je Samuel Holland napisal(a):
> Shutting down the RSB controller prevents communicating with a PMIC
> inside pm_power_off(), so it breaks system poweroff on some boards.
> 
> Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
> Fixes: 843107498f91 ("bus: sunxi-rsb: Implement suspend/resume/shutdown
> callbacks") Signed-off-by: Samuel Holland <samuel@...lland.org>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
> 
>  drivers/bus/sunxi-rsb.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
> index 4cd2e127946e..17343cd75338 100644
> --- a/drivers/bus/sunxi-rsb.c
> +++ b/drivers/bus/sunxi-rsb.c
> @@ -812,14 +812,6 @@ static int sunxi_rsb_remove(struct platform_device
> *pdev) return 0;
>  }
> 
> -static void sunxi_rsb_shutdown(struct platform_device *pdev)
> -{
> -	struct sunxi_rsb *rsb = platform_get_drvdata(pdev);
> -
> -	pm_runtime_disable(&pdev->dev);
> -	sunxi_rsb_hw_exit(rsb);
> -}
> -
>  static const struct dev_pm_ops sunxi_rsb_dev_pm_ops = {
>  	SET_RUNTIME_PM_OPS(sunxi_rsb_runtime_suspend,
>  			   sunxi_rsb_runtime_resume, NULL)
> @@ -835,7 +827,6 @@ MODULE_DEVICE_TABLE(of, sunxi_rsb_of_match_table);
>  static struct platform_driver sunxi_rsb_driver = {
>  	.probe = sunxi_rsb_probe,
>  	.remove	= sunxi_rsb_remove,
> -	.shutdown = sunxi_rsb_shutdown,
>  	.driver	= {
>  		.name = RSB_CTRL_NAME,
>  		.of_match_table = sunxi_rsb_of_match_table,