Re: [RFC patch (against wireless-next)] include/net/cfg80211.h:wiphy_<level> messages use dev_printk

From: John W. Linville
Date: Wed Aug 25 2010 - 14:14:47 EST


On Fri, Aug 20, 2010 at 03:13:59PM -0700, Joe Perches wrote:
> On Thu, 2010-08-19 at 21:39 +0200, Johannes Berg wrote:
> > On Thu, 2010-08-19 at 12:24 -0700, Joe Perches wrote:
> > > Adding device to the wiphy logging messages could be useful.
> > > #define wiphy_printk(level, wiphy, format, args...) \
> > > - printk(level "%s: " format, wiphy_name(wiphy), ##args)
> > > + dev_printk(level, &wiphy->dev, "%s: " format, wiphy_name(wiphy), ##args)
> > what will that actually print?
>
> As is, that'd print:
>
> "<level>dev_driver_string(&wiphy->dev) dev_name(&wiphy->dev): wiphy_name(wiphy): " fmt, ##args
>
> for instance:
>
> [ 41.261941] ieee80211 phy0: phy0: Selected rate control algorithm 'minstrel_ht'
>
> ie: redundant.
> wiphy_name(wiphy) is an inline for dev_name(&wiphy->dev)
>
> So it's appropriate to use:
>
> #define wiphy_<level>(wiphy, fmt, arg...) dev_<level>(&wiphy->dev, fmt, ##arg)
>
> and the output becomes:
>
> [ 41.261941] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>

Everyone OK w/ this version?

--
John W. Linville Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx might be all we have. Be ready.
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