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

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Message-ID: <564CA129.4000603@mev.co.uk>
Date:	Wed, 18 Nov 2015 16:02:49 +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 14/11/15 13:13, 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 |   27 ++++++++++++++-------------
>   1 file changed, 14 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
> index b340b98..1903d64 100644
> --- a/drivers/staging/comedi/drivers/ni_6527.c
> +++ b/drivers/staging/comedi/drivers/ni_6527.c
> @@ -32,6 +32,8 @@
>
>   #include "../comedi_pci.h"
>
> +#include "comedi_fc.h"
> +

That part seems to have been added in by mistake.

>   /*
>    * PCI BAR1 - Register memory map
>    *
> @@ -52,13 +54,13 @@
>   #define NI6527_FILT_ENA_REG(x)		(0x0c + (x))
>   #define NI6527_STATUS_REG		0x14
>   #define NI6527_STATUS_IRQ		BIT(2)
> -#define NI6527_STATUS_OVERFLOW	BIT(1)
> +#define NI6527_STATUS_OVERFLOW		BIT(1)
>   #define NI6527_STATUS_EDGE		BIT(0)
>   #define NI6527_CTRL_REG			0x15
>   #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_OVERFLOW		BIT(1)
>   #define NI6527_CTRL_EDGE		BIT(0)
>   #define NI6527_CTRL_DISABLE_IRQS	0
>   #define NI6527_CTRL_ENABLE_IRQS		(NI6527_CTRL_FALLING | \

That part seems to be based on top of your previous patch that had 
whitespace issues.

> @@ -221,11 +223,11 @@ static int ni6527_intr_cmdtest(struct comedi_device *dev,
>
>   	/* Step 1 : check if triggers are trivially valid */
>
> -	err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW);
> -	err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_OTHER);
> -	err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_FOLLOW);
> -	err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
> -	err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_COUNT);
> +	err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
> +	err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_OTHER);
> +	err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_FOLLOW);
> +	err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
> +	err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT);
>
>   	if (err)
>   		return 1;
> @@ -235,12 +237,11 @@ static int ni6527_intr_cmdtest(struct comedi_device *dev,
>
>   	/* Step 3: check if arguments are trivially valid */
>
> -	err |= comedi_check_trigger_arg_is(&cmd->start_arg, 0);
> -	err |= comedi_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
> -	err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0);
> -	err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg,
> -					   cmd->chanlist_len);
> -	err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0);
> +	err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
> +	err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
> +	err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
> +	err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
> +	err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
>
>   	if (err)
>   		return 3;
>

As Dan Carpenter pointed out, this part has been added by mistake.

The parts added by mistake seem to be a throwback to an earlier kernel 
version.

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