linux-kernel - Re: [PATCH 2/2] Staging: comedi: fl512: Replace printk with dev_info et al

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Message-ID: <20120913080309.GJ19396@mwanda>
Date:	Thu, 13 Sep 2012 11:03:09 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Bruce Humphrey <brucehum@...il.com>
Cc:	abbotti@....co.uk, fmhess@...rs.sourceforge.net,
	gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Staging: comedi: fl512: Replace printk with dev_info
 et al

On Thu, Sep 13, 2012 at 03:46:36AM +0200, Bruce Humphrey wrote:
> Replace printk(KERN_XXX with the appropiate dev_info, dev_warn, dev_dbg in fl512.c
> 
> Signed-off-by: Bruce Humphrey Ventura <brucehum@...il.com>
> ---
>  drivers/staging/comedi/drivers/fl512.c |   12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/comedi/drivers/fl512.c b/drivers/staging/comedi/drivers/fl512.c
> index d1da809..5a8e0ae 100644
> --- a/drivers/staging/comedi/drivers/fl512.c
> +++ b/drivers/staging/comedi/drivers/fl512.c
> @@ -118,9 +118,9 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
>  	struct comedi_subdevice *s;
>  
>  	iobase = it->options[0];
> -	printk(KERN_INFO "comedi:%d fl512: 0x%04lx", dev->minor, iobase);
> +	dev_info(dev->class_dev, "%s: 0x%04lx\n", dev->board_name, iobase);

Only print this at the end when it succeeds.

>  	if (!request_region(iobase, FL512_SIZE, "fl512")) {
> -		printk(KERN_WARNING " I/O port conflict\n");
> +		dev_warn(dev->class_dev, " I/O port conflict\n");
                                          ^
Bogus space.

>  		return -EIO;
>  	}
>  	dev->iobase = iobase;
> @@ -129,7 +129,7 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
>  		return -ENOMEM;
>  
>  #if DEBUG
> -	printk(KERN_DEBUG "malloc ok\n");
> +	dev_dbg(dev->class_dev, "malloc ok\n");
>  #endif

Remove this section.

>  
>  	ret = comedi_alloc_subdevices(dev, 2);
> @@ -153,7 +153,8 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
>  	s->range_table = &range_fl512;
>  	/* function to call when read AD */
>  	s->insn_read = fl512_ai_insn;
> -	printk(KERN_INFO "comedi: fl512: subdevice 0 initialized\n");
> +	dev_info(dev->class_dev, "%s: subdevice 0 initialized\n",
> +		dev->board_name);

Delete.

>  
>  	/* Analog output */
>  	s = dev->subdevices + 1;
> @@ -171,7 +172,8 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
>  	s->insn_write = fl512_ao_insn;
>  	/* function to call when reading DA */
>  	s->insn_read = fl512_ao_insn_readback;
> -	printk(KERN_INFO "comedi: fl512: subdevice 1 initialized\n");
> +	dev_info(dev->class_dev, "%s: subdevice 1 initialized\n",
> +		dev->board_name);

Move the print from the start down to here.  Re-word it.  Copy from
one that Hartley has worked on.

regards,
dan carpenter

>  
>  	return 1;
>  }
> -- 
> 1.7.9.5
> 
> _______________________________________________
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> devel@...uxdriverproject.org
> http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
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