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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Lv Zheng <lv.zheng@intel.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Len Brown <len.brown@intel.com>, Lv Zheng <zetalog@gmail.com>,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH 0/4] ACPI 2.0 / ECDT: Enable ECDT support
Date: Thu, 21 Apr 2016 02:19:26 +0200	[thread overview]
Message-ID: <2835417.3a4nlgVZ9C@vostro.rjw.lan> (raw)
In-Reply-To: <cover.1458786874.git.lv.zheng@intel.com>

On Thursday, March 24, 2016 10:42:38 AM Lv Zheng wrote:
> ECDT support in Linux is broken.
> 
> In fact, the original EC driver was correct, but devlopers started to use
> the namespace EC instead of ECDT just because several broken ECDT tables
> were reported on the bugzilla. They trusted the namespace EC settings
> rather than the ECDT ones, this led to the evaluation of _REG/_GPE/_CRS
> and namespace walk before executing the module level AML opcodes. And the
> fixes in fact finally disable early EC usages (used during table loading
> and early device enumeration processes).
> 
> Lv Zheng (4):
>   ACPI 2.0 / ECDT: Split EC_FLAGS_HANDLERS_INSTALLED
>   ACPI 2.0 / ECDT: Remove early namespace reference from EC
>   ACPI 2.0 / ECDT: Enable correct ECDT initialization order
>   ACPI 2.0 / AML: Improve module level execution by moving the
>     If/Else/While execution to per-table basis
> 
>  drivers/acpi/bus.c    |   39 +++++---
>  drivers/acpi/ec.c     |  241 ++++++++++++++++++++++---------------------------
>  include/acpi/acpixf.h |    2 +-
>  3 files changed, 135 insertions(+), 147 deletions(-)

All [1-4/4] applied, thanks!

      parent reply	other threads:[~2016-04-21  0:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <c87e72bebfbfbb35c4f14100c0a0a5e19a6ec5ed>
2016-03-24  2:42 ` Lv Zheng
2016-03-24  2:42   ` [PATCH 1/4] ACPI 2.0 / ECDT: Split EC_FLAGS_HANDLERS_INSTALLED Lv Zheng
2016-03-24  2:42   ` [PATCH 2/4] ACPI 2.0 / ECDT: Remove early namespace reference from EC Lv Zheng
2016-03-24  2:43   ` [PATCH 3/4] ACPI 2.0 / ECDT: Enable correct ECDT initialization order Lv Zheng
2016-03-24  2:43   ` [PATCH 4/4] ACPI 2.0 / AML: Improve module level execution by moving the If/Else/While execution to per-table basis Lv Zheng
2016-04-21  0:19   ` Rafael J. Wysocki [this message]

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