linux-kernel - Re: [PATCH 3/3] i2c: owl: Enable asynchronous probing

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Date:   Sun, 11 Oct 2020 19:36:45 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Cristian Ciocaltea <cristian.ciocaltea@...il.com>
Cc:     Andreas Färber <afaerber@...e.de>,
        Wolfram Sang <wsa@...nel.org>, Peter Rosin <peda@...ntia.se>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-actions@...ts.infradead.org
Subject: Re: [PATCH 3/3] i2c: owl: Enable asynchronous probing

On Fri, Oct 09, 2020 at 12:44:41AM +0300, Cristian Ciocaltea wrote:
> Speed up the boot process by using the asynchronous probing feature
> supported by the recent kernels.
> 
> For SBCs based on the Actions Semi S500 SoC, the overall boot time is
> expected to be reduced by 200-300 ms.
> 
> Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...il.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  drivers/i2c/busses/i2c-owl.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/i2c/busses/i2c-owl.c b/drivers/i2c/busses/i2c-owl.c
> index 547132768119..ed3942051845 100644
> --- a/drivers/i2c/busses/i2c-owl.c
> +++ b/drivers/i2c/busses/i2c-owl.c
> @@ -521,6 +521,7 @@ static struct platform_driver owl_i2c_driver = {
>  	.driver		= {
>  		.name	= "owl-i2c",
>  		.of_match_table = of_match_ptr(owl_i2c_of_match),
> +		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
>  	},
>  };
>  module_platform_driver(owl_i2c_driver);
> -- 
> 2.28.0
>