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

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Message-ID: <20210217204551.GA25685@innovation.ch>
Date:   Wed, 17 Feb 2021 12:45:51 -0800
From:   "Life is hard, and then you die" <ronald@...ovation.ch>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
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 Dmitry,

On Wed, Feb 17, 2021 at 12:23:23PM -0800, Dmitry Torokhov wrote:
> 
> 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.

Certainly - I just wasn't aware of the coarse variant.


  Cheers,

  Ronald