From: Ivo van Doorn <ivdoorn@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: "John W. Linville" <linville@tuxdriver.com>,
rt2400-devel@lists.sourceforge.net,
linux-wireless@vger.kernel.org
Subject: Re: [PATCH 01/11 v2] rt2x00: Calculate register offset during compile time
Date: Tue, 3 Jun 2008 22:44:05 +0200 [thread overview]
Message-ID: <200806032244.05382.IvDoorn@gmail.com> (raw)
In-Reply-To: <1212525130.14371.0.camel@johannes.berg>
On Tuesday 03 June 2008, Johannes Berg wrote:
>
> > +#define compile_ffs2(__x) \
> > + ( ((__x) & 0x1) ? 0 : 1 )
> > +
> > +#define compile_ffs4(__x) \
> > + ( ((__x) & 0x3) ? \
> > + compile_ffs2(__x) : (compile_ffs2(__x >> 2) + 2) )
>
> It seems you should also add parentheses around the __x used in the
> recursive macro invocation, like this:
>
> ... : (compile_ffs2((__x) >> 2) + 2) )
>
> or am I missing something?
Nope, you are right. :)
Version 3 on its way.
Thanks,
Ivo
next prev parent reply other threads:[~2008-06-03 20:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200806032024.52931.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 01/11] rt2x00: Calculate register offset during compile time Ivo van Doorn
2008-06-03 20:05 ` [PATCH 01/11 v2] " Ivo van Doorn
2008-06-03 20:32 ` Johannes Berg
2008-06-03 20:44 ` Ivo van Doorn [this message]
2008-06-03 20:45 ` [PATCH 01/11 v3] " Ivo van Doorn
2008-06-03 20:41 ` Johannes Berg
2008-06-03 21:18 ` Harvey Harrison
2008-06-03 22:10 ` Ivo van Doorn
[not found] ` <200806032025.45029.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 02/11] rt2x00: Fix compile-time ffs calculation macros Ivo van Doorn
2008-06-03 18:52 ` Johannes Berg
2008-06-03 20:02 ` Ivo van Doorn
[not found] ` <200806032026.16128.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 03/11] rt2x00: Make rt2x00_set/get_field macros Ivo van Doorn
[not found] ` <200806032026.40506.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 04/11] rt2x00: Restrict DMA to 32-bit addresses Ivo van Doorn
[not found] ` <200806032027.06094.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 05/11] rt2x00: Don't kill guardian_urb when it wasn't created Ivo van Doorn
2008-06-03 20:02 ` Stefanik Gábor
[not found] ` <200806032027.27540.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 06/11] rt2x00: Removed unused descriptor read in txdone Ivo van Doorn
[not found] ` <200806032027.47342.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 07/11] rt2x00: Remove CTS/RTS check in tx() Ivo van Doorn
[not found] ` <200806032028.03154.IvDoorn@gmail.com>
2008-06-03 18:30 ` [PATCH 08/11] rt2x00: Move led initialization into function Ivo van Doorn
[not found] ` <200806032028.21795.IvDoorn@gmail.com>
[not found] ` <200806032028.39575.IvDoorn@gmail.com>
2008-06-03 18:29 ` [PATCH 10/11] rt2x00: Fix queue initialization Ivo van Doorn
2008-06-03 18:29 ` [PATCH 11/11] rt2x00: Release rt2x00 2.1.7 Ivo van Doorn
2008-06-03 18:30 ` [PATCH 09/11] rt2x00: Cleanup/optimize set_state() function callback function Ivo van Doorn
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