linux-kernel - Re: [PATCH] staging: comedi: amplc

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Date:	Tue, 9 Sep 2014 11:33:56 +0100
From:	Ian Abbott <abbotti@....co.uk>
To:	Hartley Sweeten <HartleyS@...ionengravers.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	"driverdev-devel@...uxdriverproject.org" 
	<driverdev-devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: comedi: amplc_pci230: fix DACOUT write

On 2014-09-08 20:34, Hartley Sweeten wrote:
> On Monday, September 08, 2014 12:15 PM, Greg Kroah-Hartman wrote:
>> On Tue, Aug 19, 2014 at 12:32:36PM +0100, Ian Abbott wrote:
>>> Commit 4f9c63fe5333b27ab23ed399830c7977f6970744 ("staging: comedi:
>>> amplc_pci230: refactor iobase addresses") removed some parentheses
>>> (presumably to keep the line withing 80 chars) in
>>> `pci230_ao_write_nofifo()` when writing to the DACOUT1 or DACOUT2
>>> registers, but it removed the wrong parentheses.  Fix it.
>>>
>>> Signed-off-by: Ian Abbott <abbotti@....co.uk>
>>> ---
>>> This bug is in linux-next master and staging-next.
>>> ---
>>>   drivers/staging/comedi/drivers/amplc_pci230.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
>>> index 0fd212f..dd69e47 100644
>>> --- a/drivers/staging/comedi/drivers/amplc_pci230.c
>>> +++ b/drivers/staging/comedi/drivers/amplc_pci230.c
>>> @@ -628,7 +628,7 @@ static inline void pci230_ao_write_nofifo(struct comedi_device *dev,
>>>
>>>   	/* Write mangled datum to appropriate DACOUT register. */
>>>   	outw(pci230_ao_mangle_datum(dev, datum),
>>> -	     devpriv->daqio + ((chan) == 0) ? PCI230_DACOUT1 : PCI230_DACOUT2);
>>> +	     devpriv->daqio + (chan == 0 ? PCI230_DACOUT1 : PCI230_DACOUT2));
>>>   }
>>>
>>>   static inline void pci230_ao_write_fifo(struct comedi_device *dev,
>>> --
>>> 2.0.4
>>
>> This doesn't apply to my tree anymore, is it still needed?
>
> Looks like you already applied a similar patch from Dan Carpenter:
>
> commit 94254d1baec765b22cc5df3a9a16a8cc9a79d406
> Author: Dan Carpenter <dan.carpenter@...cle.com>
> Date:   Tue Aug 26 10:55:51 2014 +0300
>
>      staging: comedi: amplc_pci230: fix a precedence bug

No, it's no longer needed.

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@....co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-
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