From: Lv Zheng <lv.zheng@intel.com>
To: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>
Cc: Lv Zheng <lv.zheng@intel.com>, Lv Zheng <zetalog@gmail.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: [PATCH 0/4] ACPI 2.0 / ECDT: Enable ECDT support
Date: Thu, 24 Mar 2016 10:42:38 +0800 [thread overview]
Message-ID: <cover.1458786874.git.lv.zheng@intel.com> (raw)
In-Reply-To: <c87e72bebfbfbb35c4f14100c0a0a5e19a6ec5ed>
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(-)
--
1.7.10
WARNING: multiple messages have this Message-ID (diff)
From: Lv Zheng <lv.zheng@intel.com>
To: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>
Cc: Lv Zheng <lv.zheng@intel.com>, Lv Zheng <zetalog@gmail.com>,
<linux-kernel@vger.kernel.org>,
linux-acpi@vger.kernel.org
Subject: [PATCH 0/4] ACPI 2.0 / ECDT: Enable ECDT support
Date: Thu, 24 Mar 2016 10:42:38 +0800 [thread overview]
Message-ID: <cover.1458786874.git.lv.zheng@intel.com> (raw)
In-Reply-To: <c87e72bebfbfbb35c4f14100c0a0a5e19a6ec5ed>
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(-)
--
1.7.10
next parent reply other threads:[~2016-03-24 2:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <c87e72bebfbfbb35c4f14100c0a0a5e19a6ec5ed>
2016-03-24 2:42 ` Lv Zheng [this message]
2016-03-24 2:42 ` [PATCH 0/4] ACPI 2.0 / ECDT: Enable ECDT support 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 ` 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 2:42 ` 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 ` 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
2016-03-24 2:43 ` Lv Zheng
2016-04-21 0:19 ` [PATCH 0/4] ACPI 2.0 / ECDT: Enable ECDT support Rafael J. Wysocki
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