linux-kernel - Re: [PATCH] staging/comedi: Use dev_ printks in drivers/adl

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Date:	Fri, 5 Oct 2012 18:36:33 +0900
From:	Toshiaki Yamane <yamanetoshi@...il.com>
To:	Ian Abbott <abbotti@....co.uk>
Cc:	Greg Kroah-Hartman <greg@...ah.com>,
	Ian Abbott <ian.abbott@....co.uk>,
	Frank Mori Hess <fmhess@...rs.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging/comedi: Use dev_ printks in drivers/adl_pci8164.c

On Fri, Oct 5, 2012 at 6:15 PM, Ian Abbott <abbotti@....co.uk> wrote:
> On 2012-10-05 01:07, YAMANE Toshiaki wrote:
>>
>> fixed below checkpatch warning.
>> - WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then
>> pr_err(...  to printk(KERN_ERR ...
>>
>> Signed-off-by: YAMANE Toshiaki <yamanetoshi@...il.com>
>> ---
>>   drivers/staging/comedi/drivers/adl_pci8164.c |   12 ++++++------
>>   1 file changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/staging/comedi/drivers/adl_pci8164.c
>> b/drivers/staging/comedi/drivers/adl_pci8164.c
>> index 05e06e7..6dbe465 100644
>> --- a/drivers/staging/comedi/drivers/adl_pci8164.c
>> +++ b/drivers/staging/comedi/drivers/adl_pci8164.c
>> @@ -89,9 +89,9 @@ static void adl_pci8164_insn_read(struct comedi_device
>> *dev,
>>         }
>>
>>         data[0] = inw(dev->iobase + axis_reg + offset);
>> -       printk(KERN_DEBUG "comedi: pci8164 %s read -> "
>> -                                                 "%04X:%04X on axis
>> %s\n",
>> -                               action, data[0], data[1], axisname);
>> +       dev_dbg(dev->class_dev,
>> +                 "comedi: pci8164 %s read -> %04X:%04X on axis %s\n",
>> +                 action, data[0], data[1], axisname);
>>   }
>
>
> The "comedi: " prefix is superfluous, so should be removed.  The dev_dbg()
> call will emit the word "comedi" twice already without the extra prefix.
>
>
>>
>>   static int adl_pci8164_insn_read_msts(struct comedi_device *dev,
>> @@ -170,9 +170,9 @@ static void adl_pci8164_insn_out(struct comedi_device
>> *dev,
>>
>>         outw(data[0], dev->iobase + axis_reg + offset);
>>
>> -       printk(KERN_DEBUG "comedi: pci8164 %s write -> "
>> -                                               "%04X:%04X on axis %s\n",
>> -                               action, data[0], data[1], axisname);
>> +       dev_dbg(dev->class_dev,
>> +                 "comedi: pci8164 %s write -> %04X:%04X on axis %s\n",
>> +                 action, data[0], data[1], axisname);
>>
>>   }
>
>
> Same here.

Ian-san,

Thank you for pointing out my mistakes.
I will try to fix it.

-- 

Regards,

YAMANE Toshiaki
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