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From: Nate Case <ncase@xes-inc.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: rpurdie@rpsys.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] leds: Add support for Philips PCA955x I2C LED drivers
Date: Fri, 16 May 2008 15:52:56 -0500	[thread overview]
Message-ID: <1210971176.13845.533.camel@localhost.localdomain> (raw)
In-Reply-To: <20080515163331.0677f4b1.akpm@linux-foundation.org>

On Thu, 2008-05-15 at 16:33 -0700, Andrew Morton wrote:
> Please prefer to implement code in C rather than as a macro.  Only use
> macros when the code *must* be a macro.
[snip]

Thanks for the feedback.  I've implemented all of your suggestions and
tested them.  The only place I deviated was here:

> > +	if (((client->addr >> chip->slv_addr_shift) << chip->slv_addr_shift)
> > +		!= chip->slv_addr) {
> 
> equivalent to the simpler
> 
> 	if (client->addr & ((1 << chip->slv_addr_shift) - 1)) {
> 
> I think?

I inserted the missing "~" from your version:

	if (client->addr & ~((1 << chip->slv_addr_shift) - 1)) !=

I'll send v2 of the patch shortly.

-- 
Nate Case <ncase@xes-inc.com>


      reply	other threads:[~2008-05-16 20:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-14 23:47 [PATCH] leds: Add support for Philips PCA955x I2C LED drivers Nate Case
2008-05-15 23:33 ` Andrew Morton
2008-05-16 20:52   ` Nate Case [this message]

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