linux-kernel - Re: [patch 2.6.26-rc7] <linux/bcd.h> space reduction

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Message-ID: <20080624215400.GA18252@cs181140183.pp.htv.fi>
Date:	Wed, 25 Jun 2008 00:54:01 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	David Brownell <david-b@...bell.net>
Cc:	lkml <linux-kernel@...r.kernel.org>, rtc-linux@...glegroups.com
Subject: Re: [patch 2.6.26-rc7] <linux/bcd.h> space reduction

On Mon, Jun 23, 2008 at 12:15:49AM -0700, David Brownell wrote:
> On Sunday 22 June 2008, Adrian Bunk wrote:
> > On Sun, Jun 22, 2008 at 07:54:36PM -0700, David Brownell wrote:
> > > This updates <linux/bcd.h> to define the key routines as static
> > > constant functions, which the macros will then call.
> > > 
> > > 	... Typical per-driver savings top 200 bytes. ...
> > 
> > The patch breaks the compilation:
> 
> Needs to #include <linux/types.h> then; "u8" isn't always known.
> Or maybe just spell it out "unsigned char".
> 
> 
> >	...
> > 
> > Additionally, I'd suggest to make them out-of-line functions 
> > instead of shipping multiple copies in different object files.
> 
> That was one of the options.  I thought I'd start with something
> simpler, and see what folk thought.
> 
> Where would that be ... lib/bcd.c, always linked?

Sounds good.

> And if it goes
> that way I'd prefer bcd2bin() and bin2bcd(), not these names.  A
> small impetus to have LESS SOURCE CODE SHOUTING AT ME.

Sounds good, but start with SHOUTING COMPATIBILITY #DEFINES FOR THE 
EXISTING USERS and either clean them up later or let me do the cleanup.

> - Dave

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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