From: Helmut Schaa <helmut.schaa@googlemail.com>
To: reinette chatre <reinette.chatre@intel.com>
Cc: "linville@tuxdriver.com" <linville@tuxdriver.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"ipw3945-devel@lists.sourceforge.net"
<ipw3945-devel@lists.sourceforge.net>,
"Guy, Wey-Yi W" <wey-yi.w.guy@intel.com>
Subject: Re: [PATCH 2/3] iwlwifi: remove STATUS_ALIVE checking from rf_kill
Date: Fri, 27 Mar 2009 07:25:34 +0100 [thread overview]
Message-ID: <200903270725.35166.helmut.schaa@gmail.com> (raw)
In-Reply-To: <1238110011.10348.19.camel@rc-desk>
Hi,
Am Freitag, 27. M=C3=A4rz 2009 schrieb reinette chatre:
> On Thu, 2009-03-26 at 13:58 -0700, Helmut Schaa wrote:
> > Assume the following situation:
> >=20
> > You only have one killswitch for both, wireless and bluetooth. The =
wireless
> > interface is down because it is unused and the user wants to use bl=
uetooth
> > and enables it via the killswitch which also means that wireless ge=
ts
> > unkilled. Now restarting the adapter needs more power then keeping =
the
> > adapter down. In short: if the interface is down the user (space) d=
oes not
> > want to use the interface and probably wants to save power as well.
>=20
> Your measurements are very fine grained :) Will this be measureable?
Heh, you know the internals of the devive ;) but I guess waking up the
adapter (and thus starting the firmware) even if the interface is unuse=
d
will surely need more power than not doing so.
Helmut
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next prev parent reply other threads:[~2009-03-27 6:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-26 17:14 [PATCH 0/3] iwlwifi driver updates 03/26/2009 Reinette Chatre
2009-03-26 17:14 ` [PATCH 1/3] iwlwifi: merge and better support of suspend/resume for iwlagn and iwl3945 Reinette Chatre
2009-03-26 17:14 ` [PATCH 2/3] iwlwifi: remove STATUS_ALIVE checking from rf_kill Reinette Chatre
2009-03-26 17:14 ` [PATCH 3/3] iwl3945: use iwl_mac_conf_tx Reinette Chatre
2009-03-26 17:50 ` [PATCH 2/3] iwlwifi: remove STATUS_ALIVE checking from rf_kill Helmut Schaa
2009-03-26 18:22 ` reinette chatre
2009-03-26 19:11 ` Helmut Schaa
2009-03-26 19:30 ` reinette chatre
2009-03-26 19:49 ` Helmut Schaa
2009-03-26 20:37 ` reinette chatre
2009-03-26 20:58 ` Helmut Schaa
2009-03-26 23:26 ` reinette chatre
2009-03-27 6:19 ` Helmut Schaa
2009-03-27 6:25 ` Helmut Schaa [this message]
2009-03-27 15:45 ` reinette chatre
2009-03-27 3:49 ` reinette chatre
2009-03-27 6:18 ` Helmut Schaa
2009-03-27 16:03 ` reinette chatre
2009-03-27 16:30 ` reinette chatre
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