linux-kernel - RE: [PATCH 8/8] staging: comedi: cleanup comedi_alloc

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Date:	Tue, 12 Jun 2012 15:20:32 -0500
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"fmhess@...rs.sourceforge.net" <fmhess@...rs.sourceforge.net>,
	"abbotti@....co.uk" <abbotti@....co.uk>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: RE: [PATCH 8/8] staging: comedi: cleanup comedi_alloc_subdevices

On Tuesday, June 12, 2012 12:50 PM, Dan Carpenter wrote:
> On Tue, Jun 12, 2012 at 11:59:55AM -0700, H Hartley Sweeten wrote:
>>  	for (i = 0; i < num_subdevices; ++i) {
>> -		dev->subdevices[i].device = dev;
>> -		dev->subdevices[i].async_dma_dir = DMA_NONE;
>> -		spin_lock_init(&dev->subdevices[i].spin_lock);
>> -		dev->subdevices[i].minor = -1;
>> +		s = dev->subdevices + i;
>
> You don't have to resend, but I think this would look better as:
>
> 		s = &dev->subdevices[i];

I don't disagree but the "dev->subdevices +i" format is consistently
used in all the comedi stuff. If the format above is preferred we
should probably update everything,

>> +		s->device = dev;
>> +		s->async_dma_dir = DMA_NONE;
>> +		spin_lock_init(&s->spin_lock);
>> +		s->minor = -1;
>>  	}
>
> Btw, this patchset is great.  Nice.

Thanks!
Hartley
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