From: "Pali Rohár" <pali.rohar@gmail.com>
To: "Michał Kępień" <kernel@kempniu.pl>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
Darren Hart <dvhart@infradead.org>,
Gabriele Mazzotta <gabriele.mzt@gmail.com>,
Andy Lutomirski <luto@kernel.org>,
platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org
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 [thread overview]
Message-ID: <201512281449.10384@pali> (raw)
In-Reply-To: <20151228134056.GC7540@eudyptula.hq.kempniu.pl>
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On Monday 28 December 2015 14:40:56 Michał Kępień 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.
> >
> > BIOS/ACPI on devices with WMI interface version 1 clears buffer and
> > sometimes send more events in buffer at one call.
>
> Are the explanations above based on your observations or perhaps some
> documentation?
Just observation from all DSDT files which I have seen.
--
Pali Rohár
pali.rohar@gmail.com
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next prev parent reply other threads:[~2015-12-28 13:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-24 21:18 [PATCH 0/2] Fixes for dell-wmi Pali Rohár
2015-12-24 21:18 ` [PATCH 1/2] dell-wmi: Check if Dell WMI descriptor structure is valid Pali Rohár
2015-12-25 1:23 ` Andy Lutomirski
2015-12-25 13:02 ` Pali Rohár
2015-12-28 13:37 ` Michał Kępień
2015-12-28 14:08 ` Pali Rohár
2015-12-29 12:44 ` Michał Kępień
2015-12-29 16:05 ` Pali Rohár
2015-12-30 11:27 ` Michał Kępień
2016-01-04 18:23 ` Andy Lutomirski
2015-12-24 21:18 ` [PATCH 2/2] dell-wmi: Process only one event on devices with interface version 0 Pali Rohár
2015-12-28 13:40 ` Michał Kępień
2015-12-28 13:49 ` Pali Rohár [this message]
2015-12-27 12:59 ` [PATCH 0/2] Fixes for dell-wmi Gabriele Mazzotta
2015-12-27 13:07 ` Pali Rohár
2015-12-27 13:10 ` Gabriele Mazzotta
2015-12-27 13:17 ` Pali Rohár
2015-12-28 13:33 ` Michał Kępień
2015-12-28 13:46 ` Pali Rohár
2015-12-29 12:18 ` Michał Kępień
2016-01-04 20:48 ` Darren Hart
2016-01-07 22:31 ` Pali Rohár
2016-01-04 21:26 ` [PATCH v2 " Pali Rohár
2016-01-04 21:26 ` [PATCH v2 1/2] dell-wmi: Check if Dell WMI descriptor structure is valid Pali Rohár
2016-01-04 21:26 ` [PATCH v2 2/2] dell-wmi: Process only one event on devices with interface version 0 Pali Rohár
2016-01-12 11:14 ` Michał Kępień
2016-01-12 17:49 ` Pali Rohár
2016-01-12 20:12 ` Michał Kępień
2016-01-14 23:06 ` Darren Hart
2016-01-11 19:22 ` [PATCH v2 0/2] Fixes for dell-wmi Darren Hart
2016-01-12 0:30 ` Gabriele Mazzotta
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