linux-kernel - Re: [PATCH] comedi: ni_6527: Fix coding style

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Message-ID: <564CA901.4040104@mev.co.uk>
Date:	Wed, 18 Nov 2015 16:36:17 +0000
From:	Ian Abbott <abbotti@....co.uk>
To:	Ranjith Thangavel <ranjithece24@...il.com>,
	gregkh@...uxfoundation.org
Cc:	hsweeten@...ionengravers.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] comedi: ni_6527: Fix coding style - use BIT macro

On 16/11/15 16:56, Ranjith Thangavel wrote:
> BIT macro is used for defining BIT location instead of
> shifting operator - coding style issue
>
> Signed-off-by: Ranjith Thangavel <ranjithece24@...il.com>
> ---
>   drivers/staging/comedi/drivers/ni_6527.c |   24 ++++++++++++------------
>   1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
> index 62a817e..84c62e2 100644
> --- a/drivers/staging/comedi/drivers/ni_6527.c
> +++ b/drivers/staging/comedi/drivers/ni_6527.c
> @@ -42,24 +42,24 @@
>   #define NI6527_DO_REG(x)		(0x03 + (x))
>   #define NI6527_ID_REG			0x06
>   #define NI6527_CLR_REG			0x07
> -#define NI6527_CLR_EDGE			(1 << 3)
> -#define NI6527_CLR_OVERFLOW		(1 << 2)
> -#define NI6527_CLR_FILT			(1 << 1)
> -#define NI6527_CLR_INTERVAL		(1 << 0)
> +#define NI6527_CLR_EDGE			BIT(3)
> +#define NI6527_CLR_OVERFLOW		BIT(2)
> +#define NI6527_CLR_FILT			BIT(1)
> +#define NI6527_CLR_INTERVAL		BIT(0)
>   #define NI6527_CLR_IRQS			(NI6527_CLR_EDGE | NI6527_CLR_OVERFLOW)
>   #define NI6527_CLR_RESET_FILT		(NI6527_CLR_FILT | NI6527_CLR_INTERVAL)
>   #define NI6527_FILT_INTERVAL_REG(x)	(0x08 + (x))
>   #define NI6527_FILT_ENA_REG(x)		(0x0c + (x))
>   #define NI6527_STATUS_REG		0x14
> -#define NI6527_STATUS_IRQ		(1 << 2)
> -#define NI6527_STATUS_OVERFLOW		(1 << 1)
> -#define NI6527_STATUS_EDGE		(1 << 0)
> +#define NI6527_STATUS_IRQ		BIT(2)
> +#define NI6527_STATUS_OVERFLOW		BIT(1)
> +#define NI6527_STATUS_EDGE		BIT(0)
>   #define NI6527_CTRL_REG			0x15
> -#define NI6527_CTRL_FALLING		(1 << 4)
> -#define NI6527_CTRL_RISING		(1 << 3)
> -#define NI6527_CTRL_IRQ			(1 << 2)
> -#define NI6527_CTRL_OVERFLOW		(1 << 1)
> -#define NI6527_CTRL_EDGE		(1 << 0)
> +#define NI6527_CTRL_FALLING		BIT(4)
> +#define NI6527_CTRL_RISING		BIT(3)
> +#define NI6527_CTRL_IRQ			BIT(2)
> +#define NI6527_CTRL_OVERFLOW		BIT(1)
> +#define NI6527_CTRL_EDGE		BIT(0)
>   #define NI6527_CTRL_DISABLE_IRQS	0
>   #define NI6527_CTRL_ENABLE_IRQS		(NI6527_CTRL_FALLING | \
>   					 NI6527_CTRL_RISING | \
>

Thanks!

Reviewed-by: Ian Abbott <abbotti@....co.uk>

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@....co.uk> )=-
-=(                          Web: http://www.mev.co.uk/  )=-
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