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| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-06-12 16:15:55 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-06-13 11:28:54 +0200 |
| commit | 0e6b6dedf16800df0ff73ffe2bb5066514db29c2 (patch) | |
| tree | b8b725b4529e0eaf7bd072435ed348a1529dcb89 /drivers/acpi/ec.c | |
| parent | Linux 6.10-rc3 (diff) | |
| download | wireguard-linux-0e6b6dedf16800df0ff73ffe2bb5066514db29c2.tar.xz wireguard-linux-0e6b6dedf16800df0ff73ffe2bb5066514db29c2.zip | |
ACPI: EC: Evaluate orphan _REG under EC device
After starting to install the EC address space handler at the ACPI
namespace root, if there is an "orphan" _REG method in the EC device's
scope, it will not be evaluated any more. This breaks EC operation
regions on some systems, like Asus gu605.
To address this, use a wrapper around an existing ACPICA function to
look for an "orphan" _REG method in the EC device scope and evaluate
it if present.
Fixes: 60fa6ae6e6d0 ("ACPI: EC: Install address space handler at the namespace root")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218945
Reported-by: VitaliiT <vitaly.torshyn@gmail.com>
Tested-by: VitaliiT <vitaly.torshyn@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 68dd17f96f63..299ec653388c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1507,6 +1507,9 @@ static int ec_install_handlers(struct acpi_ec *ec, struct acpi_device *device, if (call_reg && !test_bit(EC_FLAGS_EC_REG_CALLED, &ec->flags)) { acpi_execute_reg_methods(scope_handle, ACPI_ADR_SPACE_EC); + if (scope_handle != ec->handle) + acpi_execute_orphan_reg_method(ec->handle, ACPI_ADR_SPACE_EC); + set_bit(EC_FLAGS_EC_REG_CALLED, &ec->flags); } |