From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752427AbbL1NtU (ORCPT ); Mon, 28 Dec 2015 08:49:20 -0500 Received: from mail-wm0-f54.google.com ([74.125.82.54]:38518 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751102AbbL1NtN (ORCPT ); Mon, 28 Dec 2015 08:49:13 -0500 From: Pali =?utf-8?q?Roh=C3=A1r?= To: =?utf-8?q?Micha=C5=82_K=C4=99pie=C5=84?= Subject: Re: [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0 Date: Mon, 28 Dec 2015 14:49:10 +0100 User-Agent: KMail/1.13.7 (Linux/3.13.0-71-generic; KDE/4.14.2; x86_64; ; ) Cc: Matthew Garrett , Darren Hart , Gabriele Mazzotta , Andy Lutomirski , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org References: <1450991926-20937-1-git-send-email-pali.rohar@gmail.com> <1450991926-20937-3-git-send-email-pali.rohar@gmail.com> <20151228134056.GC7540@eudyptula.hq.kempniu.pl> In-Reply-To: <20151228134056.GC7540@eudyptula.hq.kempniu.pl> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2083147.sUJ7bDcOJm"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201512281449.10384@pali> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart2083147.sUJ7bDcOJm Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Monday 28 December 2015 14:40:56 Micha=C5=82 K=C4=99pie=C5=84 wrote: > > BIOS/ACPI on devices with WMI interface version 0 does not clear > > buffer before filling it. So next time when BIOS/ACPI send WMI > > event which is smaller as previous then it contains garbage in > > buffer from previous event. > >=20 > > BIOS/ACPI on devices with WMI interface version 1 clears buffer and > > sometimes send more events in buffer at one call. >=20 > Are the explanations above based on your observations or perhaps some > documentation? Just observation from all DSDT files which I have seen. =2D-=20 Pali Roh=C3=A1r pali.rohar@gmail.com --nextPart2083147.sUJ7bDcOJm Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAlaBPdYACgkQi/DJPQPkQ1J65gCgsslKkyNEbkVpyPA7oXOZE0iU WrwAnjFYTbHp1TQj80brbwcDGf47+vph =PIyM -----END PGP SIGNATURE----- --nextPart2083147.sUJ7bDcOJm--