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| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-01-01 14:12:55 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-01-01 14:12:55 -0500 |
| commit | c04209a7948b95e8c52084e8595e74e9428653d3 (patch) | |
| tree | 8a7bed4071550e333f1a5e81558fc55a470cd554 /drivers/acpi/scan.c | |
| parent | e697789d64f8748cb219d7f5c413c512953802cc (diff) | |
| download | op-kernel-dev-c04209a7948b95e8c52084e8595e74e9428653d3.zip op-kernel-dev-c04209a7948b95e8c52084e8595e74e9428653d3.tar.gz | |
ACPI: EC: Enable boot EC before bus_scan
Some _STA methods called during bus_scan() might require EC region handler,
which might be enabled later in the scan.
Enable it explicitly before scan to avoid errors.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9627
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 5b4d462..cbfe9ae 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1449,6 +1449,8 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) return result; } +int __init acpi_boot_ec_enable(void); + static int __init acpi_scan_init(void) { int result; @@ -1480,6 +1482,10 @@ static int __init acpi_scan_init(void) * Enumerate devices in the ACPI namespace. */ result = acpi_bus_scan_fixed(acpi_root); + + /* EC region might be needed at bus_scan, so enable it now */ + acpi_boot_ec_enable(); + if (!result) result = acpi_bus_scan(acpi_root, &ops); |
