linux-kernel - Re: [PATCH 1/3] Input: applespi: Don't wait for responses to commands indefinitely.

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Message-ID: <YC17OycMiNipMUyn@google.com>
Date:   Wed, 17 Feb 2021 12:23:23 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Ronald Tschalär <ronald@...ovation.ch>
Cc:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Sergiu Cuciurean <sergiu.cuciurean@...log.com>,
        Lee Jones <lee.jones@...aro.org>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Input: applespi: Don't wait for responses to
 commands indefinitely.

Hi Ronald,

On Wed, Feb 17, 2021 at 11:07:16AM -0800, Ronald Tschalär wrote:
> @@ -869,7 +878,7 @@ static int applespi_send_cmd_msg(struct applespi_data *applespi)
>  		return sts;
>  	}
>  
> -	applespi->cmd_msg_queued = true;
> +	applespi->cmd_msg_queued = ktime_get();

Will it be OK if I change this to ktime_get_coarse()? I do not think we
need exact time here, and the coarse variant is cheaper I believe.

Thanks.

-- 
Dmitry