linux-kernel - RE: [PATCH V2] clk: imx: imx8ulp: set suppress_bind

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Message-ID: <DU0PR04MB9417315309391B3E19C3F1FF889D9@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date:   Sat, 20 Nov 2021 12:04:30 +0000
From:   Peng Fan <peng.fan@....com>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        Abel Vesa <abel.vesa@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V2] clk: imx: imx8ulp: set suppress_bind_attrs to true

> Subject: [PATCH V2] clk: imx: imx8ulp: set suppress_bind_attrs to true

Ping..

Thanks,
Peng.

> 
> From: Peng Fan <peng.fan@....com>
> 
> The clock driver is registered as platform devices and it is possible to reloading
> the driver at runtime.
> 
> But actually the clocks should never be removed to make system work,
> attempting to bind again would result in a crash, because almost all devices
> depends on clock to function well.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
> 
> V2:
>  Update commit log to explain more
> 
>  drivers/clk/imx/clk-imx8ulp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/imx/clk-imx8ulp.c b/drivers/clk/imx/clk-imx8ulp.c
> index 6699437e17b8..8eb1af2d6429 100644
> --- a/drivers/clk/imx/clk-imx8ulp.c
> +++ b/drivers/clk/imx/clk-imx8ulp.c
> @@ -559,6 +559,7 @@ static struct platform_driver imx8ulp_clk_driver = {
>  	.probe	= imx8ulp_clk_probe,
>  	.driver = {
>  		.name		= KBUILD_MODNAME,
> +		.suppress_bind_attrs = true,
>  		.of_match_table	= imx8ulp_clk_dt_ids,
>  	},
>  };
> --
> 2.30.0