linux-kernel - Re: [PATCH 1/2] Staging: comedi: introduce outl_1564_* and inl_1564_* helper functions in hwdrv

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Message-ID: <20140301125049.GG26722@mwanda>
Date:	Sat, 1 Mar 2014 15:50:50 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Chase Southwood <chase.southwood@...oo.com>
Cc:	devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
	abbotti@....co.uk, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Staging: comedi: introduce outl_1564_* and
 inl_1564_* helper functions in hwdrv_apci1564.c

On Sat, Mar 01, 2014 at 03:44:18PM +0300, Dan Carpenter wrote:
> On Sat, Mar 01, 2014 at 04:28:27AM -0600, Chase Southwood wrote:
> > This patch introduces a handful of outl and inl helper functions with the
> > ultimate goal of improving code readability and allowing several lines
> > which violate the character limit to be shortened in a sane way.
> > 
> > Cc: Dan Carpenter <dan.carpenter@...cle.com>
> > Signed-off-by: Chase Southwood <chase.southwood@...oo.com>
> > ---
> > This patchset serves as a replacement to my previous cleanup patchset for
> > hwdrv_apci1564.c
> > 
> > Dan,
> > After spending a little bit more time with this and trying out different
> > ways of cleaning this up, I decided that making helper functions for all
> > of the most common register sets would look the best, but I haven't made
> > a helper for a few of the least common inl/outl calls because if I did,
> > the sheer number of helper functions would get quite ridiculous.
> > Let me know if you think my selections of what to make into helper
> > functions seems appropriate.
> > 
> 
> Yeah.  You're right...  It's kind of a lot of helper functions.
> 
> I wonder if we could just do something like:
> 
> static void outl_amcc(struct addi_private *devpriv, unsigned int cmd,
> 		      unsigned int reg)
> {
> 	outl(cmd, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + reg);
> }
> 

Gar...

static void outl_amcc(struct addi_private *devpriv, unsigned int cmd,
		      unsigned int reg)
{
	outl(cmd, devpriv->i_IobaseAmcc + reg);
}

regards,
dan carpenter

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