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-rw-r--r--drivers/acpi/Kconfig11
-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/internal.h25
-rw-r--r--drivers/acpi/sbshc.c9
-rw-r--r--drivers/char/Kconfig1
-rw-r--r--drivers/hwmon/Kconfig3
-rw-r--r--drivers/platform/x86/Kconfig22
-rw-r--r--drivers/platform/x86/dell/Kconfig1
-rw-r--r--drivers/platform/x86/hp/Kconfig1
-rw-r--r--drivers/platform/x86/intel/Kconfig2
-rw-r--r--include/linux/acpi.h8
11 files changed, 61 insertions, 24 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index d67f63d93b2a..d65cd08ba8e1 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -132,8 +132,17 @@ config ACPI_REV_OVERRIDE_POSSIBLE
makes it possible to force the kernel to return "5" as the supported
ACPI revision via the "acpi_rev_override" command line switch.
+config ACPI_EC
+ bool "Embedded Controller"
+ depends on HAS_IOPORT
+ default X86
+ help
+ This driver handles communication with the microcontroller
+ on many x86 laptops and other machines.
+
config ACPI_EC_DEBUGFS
tristate "EC read/write access through /sys/kernel/debug/ec"
+ depends on ACPI_EC
help
Say N to disable Embedded Controller /sys/kernel/debug interface
@@ -433,7 +442,7 @@ config ACPI_HOTPLUG_IOAPIC
config ACPI_SBS
tristate "Smart Battery System"
- depends on X86
+ depends on X86 && ACPI_EC
select POWER_SUPPLY
help
This driver supports the Smart Battery System, another
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 61ca4afe83dc..40208a0f5dfb 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -41,7 +41,7 @@ acpi-y += resource.o
acpi-y += acpi_processor.o
acpi-y += processor_core.o
acpi-$(CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC) += processor_pdc.o
-acpi-y += ec.o
+acpi-$(CONFIG_ACPI_EC) += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-$(CONFIG_PCI) += pci_root.o pci_link.o pci_irq.o
obj-$(CONFIG_ACPI_MCFG) += pci_mcfg.o
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index ced7dff9a5db..00910ccd7eda 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -215,6 +215,8 @@ extern struct acpi_ec *first_ec;
/* External interfaces use first EC only, so remember */
typedef int (*acpi_ec_query_func) (void *data);
+#ifdef CONFIG_ACPI_EC
+
void acpi_ec_init(void);
void acpi_ec_ecdt_probe(void);
void acpi_ec_dsdt_probe(void);
@@ -231,6 +233,29 @@ void acpi_ec_flush_work(void);
bool acpi_ec_dispatch_gpe(void);
#endif
+#else
+
+static inline void acpi_ec_init(void) {}
+static inline void acpi_ec_ecdt_probe(void) {}
+static inline void acpi_ec_dsdt_probe(void) {}
+static inline void acpi_ec_block_transactions(void) {}
+static inline void acpi_ec_unblock_transactions(void) {}
+static inline int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
+ acpi_handle handle, acpi_ec_query_func func,
+ void *data)
+{
+ return -ENXIO;
+}
+static inline void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) {}
+static inline void acpi_ec_register_opregions(struct acpi_device *adev) {}
+
+static inline void acpi_ec_flush_work(void) {}
+static inline bool acpi_ec_dispatch_gpe(void)
+{
+ return false;
+}
+
+#endif
/*--------------------------------------------------------------------------
Suspend/Resume
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 16f2daaa2c45..2b63cd18cca2 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include "sbshc.h"
+#include "internal.h"
#define ACPI_SMB_HC_CLASS "smbus_host_ctl"
#define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC"
@@ -236,12 +237,6 @@ static int smbus_alarm(void *context)
return 0;
}
-typedef int (*acpi_ec_query_func) (void *data);
-
-extern int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
- acpi_handle handle, acpi_ec_query_func func,
- void *data);
-
static int acpi_smbus_hc_add(struct acpi_device *device)
{
int status;
@@ -278,8 +273,6 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
return 0;
}
-extern void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
-
static void acpi_smbus_hc_remove(struct acpi_device *device)
{
struct acpi_smb_hc *hc;
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 7c8dd0abcfdf..8fb33c90482f 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -238,6 +238,7 @@ config APPLICOM
config SONYPI
tristate "Sony Vaio Programmable I/O Control Device support"
depends on X86_32 && PCI && INPUT
+ depends on ACPI_EC || !ACPI
help
This driver enables access to the Sony Programmable I/O Control
Device which can be found in many (all ?) Sony Vaio laptops.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 08a3c863f80a..1e3a1f4d5c5e 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1752,7 +1752,7 @@ source "drivers/hwmon/occ/Kconfig"
config SENSORS_OXP
tristate "OneXPlayer EC fan control"
- depends on ACPI
+ depends on ACPI_EC
depends on X86
help
If you say yes here you get support for fan readings and control over
@@ -2592,6 +2592,7 @@ config SENSORS_ASUS_WMI
config SENSORS_ASUS_EC
tristate "ASUS EC Sensors"
depends on X86
+ depends on ACPI_EC
help
If you say yes here you get support for the ACPI embedded controller
hardware monitoring interface found in ASUS motherboards. The driver
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 3875abba5a79..0258dd879d64 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -52,6 +52,7 @@ config WMI_BMOF
config HUAWEI_WMI
tristate "Huawei WMI laptop extras driver"
depends on ACPI_BATTERY
+ depends on ACPI_EC
depends on ACPI_WMI
depends on INPUT
select INPUT_SPARSEKMAP
@@ -147,7 +148,7 @@ config YT2_1380
config ACERHDF
tristate "Acer Aspire One temperature and fan driver"
- depends on ACPI && THERMAL
+ depends on ACPI_EC && THERMAL
select THERMAL_GOV_BANG_BANG
help
This is a driver for Acer Aspire One netbooks. It allows to access
@@ -186,6 +187,7 @@ config ACER_WMI
depends on SERIO_I8042
depends on INPUT
depends on RFKILL || RFKILL = n
+ depends on ACPI_EC
depends on ACPI_WMI
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on HWMON
@@ -334,7 +336,7 @@ config MERAKI_MX100
config EEEPC_LAPTOP
tristate "Eee PC Hotkey Driver"
- depends on ACPI
+ depends on ACPI_EC
depends on INPUT
depends on RFKILL || RFKILL = n
depends on ACPI_VIDEO || ACPI_VIDEO = n
@@ -503,7 +505,7 @@ config SENSORS_HDAPS
config THINKPAD_ACPI
tristate "ThinkPad ACPI Laptop Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_BATTERY
depends on INPUT
depends on RFKILL || RFKILL = n
@@ -682,7 +684,7 @@ config MEEGOPAD_ANX7428
config MSI_EC
tristate "MSI EC Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_BATTERY
help
This driver allows various MSI laptops' functionalities to be
@@ -690,7 +692,7 @@ config MSI_EC
config MSI_LAPTOP
tristate "MSI Laptop Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on BACKLIGHT_CLASS_DEVICE
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on RFKILL
@@ -796,7 +798,7 @@ config SAMSUNG_LAPTOP
config SAMSUNG_Q10
tristate "Samsung Q10 Extras"
- depends on ACPI
+ depends on ACPI_EC
select BACKLIGHT_CLASS_DEVICE
help
This driver provides support for backlight control on Samsung Q10
@@ -804,7 +806,7 @@ config SAMSUNG_Q10
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_BATTERY
depends on ACPI_WMI
select LEDS_CLASS
@@ -904,7 +906,7 @@ config ACPI_CMPC
config COMPAL_LAPTOP
tristate "Compal (and others) Laptop Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on BACKLIGHT_CLASS_DEVICE
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on RFKILL
@@ -949,7 +951,7 @@ config PANASONIC_LAPTOP
config SONY_LAPTOP
tristate "Sony Laptop Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on BACKLIGHT_CLASS_DEVICE
depends on INPUT
@@ -972,7 +974,7 @@ config SONYPI_COMPAT
config SYSTEM76_ACPI
tristate "System76 ACPI Driver"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_BATTERY
depends on HWMON
depends on INPUT
diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/Kconfig
index 68a49788a396..dc21227dd66e 100644
--- a/drivers/platform/x86/dell/Kconfig
+++ b/drivers/platform/x86/dell/Kconfig
@@ -194,6 +194,7 @@ config DELL_WMI
config DELL_WMI_PRIVACY
bool "Dell WMI Hardware Privacy Support"
depends on DELL_WMI
+ depends on ACPI_EC
help
This option adds integration with the "Dell Hardware Privacy"
feature of Dell laptops to the dell-wmi driver.
diff --git a/drivers/platform/x86/hp/Kconfig b/drivers/platform/x86/hp/Kconfig
index d776761cd5fd..dd51491b9bcd 100644
--- a/drivers/platform/x86/hp/Kconfig
+++ b/drivers/platform/x86/hp/Kconfig
@@ -37,6 +37,7 @@ config HP_ACCEL
config HP_WMI
tristate "HP WMI extras"
default m
+ depends on ACPI_EC
depends on ACPI_WMI
depends on INPUT
depends on RFKILL || RFKILL = n
diff --git a/drivers/platform/x86/intel/Kconfig b/drivers/platform/x86/intel/Kconfig
index ad50bbabec61..eb698dcb9af9 100644
--- a/drivers/platform/x86/intel/Kconfig
+++ b/drivers/platform/x86/intel/Kconfig
@@ -62,7 +62,7 @@ config INTEL_INT0002_VGPIO
config INTEL_OAKTRAIL
tristate "Intel Oaktrail Platform Extras"
- depends on ACPI
+ depends on ACPI_EC
depends on ACPI_VIDEO || ACPI_VIDEO=n
depends on RFKILL && BACKLIGHT_CLASS_DEVICE && ACPI
help
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4d5ee84c468b..7dd24acd9ffe 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1164,8 +1164,6 @@ int acpi_subsys_suspend_noirq(struct device *dev);
int acpi_subsys_suspend(struct device *dev);
int acpi_subsys_freeze(struct device *dev);
int acpi_subsys_poweroff(struct device *dev);
-void acpi_ec_mark_gpe_for_wake(void);
-void acpi_ec_set_gpe_wake_mask(u8 action);
int acpi_subsys_restore_early(struct device *dev);
#else
static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
@@ -1176,6 +1174,12 @@ static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
+#endif
+
+#if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
+void acpi_ec_mark_gpe_for_wake(void);
+void acpi_ec_set_gpe_wake_mask(u8 action);
+#else
static inline void acpi_ec_mark_gpe_for_wake(void) {}
static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
#endif