From: Lan Tianyu <tianyu.lan@intel.com>
To: wsa@the-dreams.de, rjw@rjwysocki.net, lenb@kernel.org,
mika.westerberg@linux.intel.com, awilliam@redhat.com,
tianyu.lan@intel.com
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 9/9] I2C/ACPI: Add CONFIG_I2C_ACPI config
Date: Wed, 16 Apr 2014 21:24:42 +0800 [thread overview]
Message-ID: <1397654682-7094-10-git-send-email-tianyu.lan@intel.com> (raw)
In-Reply-To: <1397654682-7094-1-git-send-email-tianyu.lan@intel.com>
This patch is to add CONFIG_I2C_ACPI. Current there is a race between
removing I2C ACPI operation region and ACPI AML code accessing.
So make i2c core built-in if CONFIG_I2C_ACPI is set. The race will
be fixed later in the ACPICA.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
---
drivers/i2c/Kconfig | 16 +++++++++++++++-
drivers/i2c/Makefile | 2 +-
include/linux/i2c.h | 2 +-
3 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 7b7ea32..15d782e 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -2,7 +2,9 @@
# I2C subsystem configuration
#
-menuconfig I2C
+menu "I2C support"
+
+config I2C
tristate "I2C support"
select RT_MUTEXES
---help---
@@ -21,6 +23,16 @@ menuconfig I2C
This I2C support can also be built as a module. If so, the module
will be called i2c-core.
+config I2C_ACPI
+ bool "I2C ACPI support"
+ select I2C
+ depends on ACPI
+ help
+ Say Y here if you want to enable I2C ACPI function. ACPI table
+ provides I2C slave devices' information to enumerate these devices.
+ This option also allows ACPI AML code to access I2C slave devices
+ via I2C ACPI operation region to fulfill ACPI method.
+
if I2C
config I2C_BOARDINFO
@@ -124,3 +136,5 @@ config I2C_DEBUG_BUS
on.
endif # I2C
+
+endmenu
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 80db307..37464ee 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -3,7 +3,7 @@
#
i2ccore-y := i2c-core.o
-i2ccore-$(CONFIG_ACPI) += i2c-acpi.o
+i2ccore-$(CONFIG_I2C_ACPI) += i2c-acpi.o
obj-$(CONFIG_I2C_BOARDINFO) += i2c-boardinfo.o
obj-$(CONFIG_I2C) += i2ccore.o
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index fc1ef42..d0ece9f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -583,7 +583,7 @@ static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node
}
#endif /* CONFIG_OF */
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_I2C_ACPI
int acpi_i2c_install_space_handler(struct i2c_adapter *adapter);
void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter);
void acpi_i2c_register_devices(struct i2c_adapter *adap);
--
1.8.4.rc0.1.g8f6a3e5.dirty
next prev parent reply other threads:[~2014-04-16 13:26 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-16 13:24 [PATCH 0/9] I2C ACPI operation region handler support Lan Tianyu
2014-04-16 13:24 ` [PATCH 1/9] ACPICA: Executer: Fix buffer allocation issue for generic_serial_bus region field accesses Lan Tianyu
2014-04-21 21:38 ` Rafael J. Wysocki
2014-04-22 1:14 ` Lan Tianyu
2014-04-16 13:24 ` [PATCH 2/9] ACPICA: Export acpi_buffer_to_resource symbol Lan Tianyu
2014-04-16 13:24 ` [PATCH 3/9] ACPI: Add acpi_bus_attach_private_data() to facilitate to attach data to ACPI handle Lan Tianyu
2014-04-16 13:24 ` [PATCH 4/9] ACPI/Thermal: Use acpi_bus_attach_private_data() to attach private data Lan Tianyu
2014-04-16 13:24 ` [PATCH 5/9] I2C: Add smbus quick read/write helper function Lan Tianyu
2014-04-16 13:24 ` [PATCH 6/9] I2C: Add smbus word/block process call " Lan Tianyu
2014-04-16 13:24 ` [PATCH 7/9] I2C/ACPI: Add i2c ACPI operation region support Lan Tianyu
2014-04-16 13:24 ` [PATCH 8/9] I2C/ACPI: Move ACPI related code to i2c-acpi.c Lan Tianyu
2014-04-16 13:24 ` Lan Tianyu [this message]
2014-04-16 13:33 ` [PATCH 0/9] I2C ACPI operation region handler support Lan Tianyu
2014-04-16 16:35 ` Adam Williamson
2014-04-22 6:24 ` [Resend Patch " Lan Tianyu
2014-04-22 6:24 ` [Resend Patch 1/9] ACPICA: Executer: Fix buffer allocation issue for generic_serial_bus region field accesses Lan Tianyu
2014-04-22 11:21 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 2/9] ACPICA: Export acpi_buffer_to_resource symbol Lan Tianyu
2014-04-22 11:21 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 3/9] ACPI: Add acpi_bus_attach_private_data() to facilitate to attach data to ACPI handle Lan Tianyu
2014-04-22 11:23 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 4/9] ACPI/Thermal: Use acpi_bus_attach_private_data() to attach private data Lan Tianyu
2014-04-22 11:24 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 5/9] I2C: Add smbus quick read/write helper function Lan Tianyu
2014-04-22 11:24 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 6/9] I2C: Add smbus word/block process call " Lan Tianyu
2014-04-22 11:26 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 7/9] I2C/ACPI: Add i2c ACPI operation region support Lan Tianyu
2014-04-22 11:36 ` Mika Westerberg
2014-04-23 1:53 ` Lan Tianyu
2014-04-23 7:28 ` Mika Westerberg
2014-04-23 7:17 ` Lan Tianyu
2014-04-22 6:24 ` [Resend Patch 8/9] I2C/ACPI: Move ACPI related code to i2c-acpi.c Lan Tianyu
2014-04-22 11:38 ` Mika Westerberg
2014-04-22 6:24 ` [Resend Patch 9/9] I2C/ACPI: Add CONFIG_I2C_ACPI config Lan Tianyu
2014-04-22 11:45 ` Mika Westerberg
2014-04-23 5:39 ` Lan Tianyu
2014-04-23 6:47 ` Zheng, Lv
2014-04-23 7:40 ` Mika Westerberg
2014-04-23 23:03 ` [Resend Patch 0/9] I2C ACPI operation region handler support Adam Williamson
2014-04-28 14:27 ` [Patch V2 " Lan Tianyu
2014-04-28 14:27 ` [Patch V2 1/9] ACPICA: Executer: Fix buffer allocation issue for generic_serial_bus region field accesses Lan Tianyu
2014-04-28 17:52 ` Adam Williamson
2014-04-28 18:08 ` Adam Williamson
2014-04-28 22:50 ` Rafael J. Wysocki
2014-04-29 11:31 ` Wolfram Sang
2014-04-29 21:37 ` Rafael J. Wysocki
2014-04-28 14:27 ` [Patch V2 2/9] ACPICA: Export acpi_buffer_to_resource symbol Lan Tianyu
2014-04-28 14:27 ` [Patch V2 3/9] ACPI: Add acpi_bus_attach_private_data() to facilitate to attach data to ACPI handle Lan Tianyu
2014-04-28 14:27 ` [Patch V2 4/9] ACPI/Thermal: Use acpi_bus_attach_private_data() to attach private data Lan Tianyu
2014-04-28 14:27 ` [Patch V2 5/9] I2C: Add smbus quick read/write helper function Lan Tianyu
2014-05-17 9:41 ` Wolfram Sang
2014-05-17 13:13 ` Lan Tianyu
2014-05-17 17:15 ` Wolfram Sang
2014-04-28 14:27 ` [Patch V2 6/9] I2C: Add smbus word/block process call " Lan Tianyu
2014-05-17 10:21 ` Wolfram Sang
2014-05-17 13:59 ` Lan Tianyu
2014-05-17 17:17 ` Wolfram Sang
2014-05-19 9:23 ` Lan Tianyu
2014-04-28 14:27 ` [Patch V2 7/9] I2C/ACPI: Add i2c ACPI operation region support Lan Tianyu
2014-04-29 8:02 ` Mika Westerberg
2014-04-28 14:27 ` [Patch V2 8/9] I2C/ACPI: Move ACPI related code to i2c-acpi.c Lan Tianyu
2014-04-28 14:27 ` [Patch V2 9/9] I2C/ACPI: Add CONFIG_I2C_ACPI config Lan Tianyu
2014-04-29 8:16 ` Mika Westerberg
2014-05-17 17:48 ` Wolfram Sang
2014-05-19 8:49 ` Mika Westerberg
2014-05-19 9:44 ` Lan Tianyu
2014-05-19 20:23 ` Rafael J. Wysocki
2014-04-28 22:51 ` [Patch V2 0/9] I2C ACPI operation region handler support Rafael J. Wysocki
2014-04-29 1:54 ` Lan Tianyu
2014-04-29 15:47 ` Rafael J. Wysocki
2014-05-13 13:09 ` Rolf Eike Beer
2014-05-13 14:06 ` Lan Tianyu
2014-05-15 7:50 ` Rolf Eike Beer
2014-05-15 14:49 ` Lan Tianyu
2014-05-16 8:43 ` Rolf Eike Beer
2014-05-20 14:17 ` Rolf Eike Beer
2014-05-22 15:14 ` Lan Tianyu
2014-05-23 6:55 ` Rolf Eike Beer
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