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ACPI: remove CONFIG_ACPI_EC

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Remove CONFIG_ACPI_EC.  It was always set the same as CONFIG_ACPI,
and it had no menu label, so there was no way to set it to anything
other than "y".

Per section 6.5.4 of the ACPI 3.0b specification,

    OSPM must make Embedded Controller operation regions, accessed
    via the Embedded Controllers described in ECDT, available before
    executing any control method.

The ECDT table is optional, but if it is present, the above text
means that the EC it describes is a required part of the ACPI
subsystem, so CONFIG_ACPI_EC=n wouldn't make sense.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2008-11-05 16:18:03 -07:00 • committed by Len Brown
commit 8950d89aca
7 changed files with 6 additions and 21 deletions
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4
include/linux/acpi.h
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@ -163,8 +163,6 @@ struct acpi_pci_driver {
int acpi_pci_register_driver(struct acpi_pci_driver *driver);
void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
#ifdef CONFIG_ACPI_EC
extern int ec_read(u8 addr, u8 *val);
extern int ec_write(u8 addr, u8 val);
extern int ec_transaction(u8 command,
@ -172,8 +170,6 @@ extern int ec_transaction(u8 command,
u8 *rdata, unsigned rdata_len,
int force_poll);
#endif /*CONFIG_ACPI_EC*/
#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
typedef void (*wmi_notify_handler) (u32 value, void *context);