Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:33882 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932998Ab0JFTPH (ORCPT ); Wed, 6 Oct 2010 15:15:07 -0400 Date: Wed, 6 Oct 2010 15:03:43 -0400 From: "John W. Linville" To: "Guy, Wey-Yi" Cc: "linux-wireless@vger.kernel.org" , "ipw3945-devel@lists.sourceforge.net" Subject: Re: [PATCH 1/6] iwlwifi: schedule to deprecate software scan support Message-ID: <20101006190343.GI2472@tuxdriver.com> References: <1286378593-7509-1-git-send-email-wey-yi.w.guy@intel.com> <1286378593-7509-2-git-send-email-wey-yi.w.guy@intel.com> <20101006173609.GH2472@tuxdriver.com> <1286387500.12594.24.camel@wwguy-ubuntu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1286387500.12594.24.camel@wwguy-ubuntu> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Oct 06, 2010 at 10:51:40AM -0700, Guy, Wey-Yi wrote: > On Wed, 2010-10-06 at 10:36 -0700, John W. Linville wrote: > > On Wed, Oct 06, 2010 at 08:23:08AM -0700, Wey-Yi Guy wrote: > > > Hardware scan is the prefer method for all iwlwifi devices; > > > especially for dual-mode functions. Schedule to deprecate the > > > software scan support in kernel 2.6.40 > > > > > > Signed-off-by: Wey-Yi Guy > > > > Hmmm...perhaps you have more confidence in this than I do? > > My experience suggests that hardware scanning has been the source of > > a number of problems and having the option to turn it off has provided > > a useful workaround for any number of users. > > > > Anyone else have heartburn over this one? > > > The current HW scan implementation was improve a lot and sw scan will > cause problem, especially once we introduce P2P. What support issues are caused by supporting software scanning? Whatever issues are caused by scanning with P2P, doesn't mac80211 have to handle them anyway? John -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.