linux-kernel - Re: [PATCH v2 2/3] iio: light: opt3001: trivial type refactoring

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Date:	Sun, 24 Jan 2016 15:02:06 +0000
From:	Jonathan Cameron <jic23@...nel.org>
To:	Alexander Koch <mail@...xanderkoch.net>
Cc:	knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
	mhornung.linux@...il.com, dannenberg@...com, balbi@...com,
	fengguang.wu@...el.com, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] iio: light: opt3001: trivial type refactoring

On 16/01/16 16:14, Alexander Koch wrote:
> Change variable type of struct opt3001 members 'ok_to_ignore_lock' and
> 'result_ready' uint16-bitfield of length one to bool.
> 
> They are used as bool, let the compiler do the optimization.
> 
> Signed-off-by: Alexander Koch <mail@...xanderkoch.net>
> Signed-off-by: Michael Hornung <mhornung.linux@...il.com>
I find it hard to care much about this one, but consistency is
always good and the bitfield never made much sense in here.

Applied to the togreg branch of iio.git - pushed out as testing... etc.

Thanks,

Jonathan
> ---
>  drivers/iio/light/opt3001.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
> index aefbd79..b05c484 100644
> --- a/drivers/iio/light/opt3001.c
> +++ b/drivers/iio/light/opt3001.c
> @@ -79,8 +79,8 @@ struct opt3001 {
>  	struct device		*dev;
>  
>  	struct mutex		lock;
> -	u16			ok_to_ignore_lock:1;
> -	u16			result_ready:1;
> +	bool			ok_to_ignore_lock;
> +	bool			result_ready;
>  	wait_queue_head_t	result_ready_queue;
>  	u16			result;
>  
>