Commit a5032bfd authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown

ACPI: EC: Always parse EC device

If ECDT info is not valid, we have last chance to configure
EC driver properly at this point, don't miss it.

http://bugzilla.kernel.org/show_bug.cgi?id=12461Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 8e0ee43b
...@@ -755,6 +755,10 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) ...@@ -755,6 +755,10 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
unsigned long long tmp = 0; unsigned long long tmp = 0;
struct acpi_ec *ec = context; struct acpi_ec *ec = context;
/* clear addr values, ec_parse_io_ports depend on it */
ec->command_addr = ec->data_addr = 0;
status = acpi_walk_resources(handle, METHOD_NAME__CRS, status = acpi_walk_resources(handle, METHOD_NAME__CRS,
ec_parse_io_ports, ec); ec_parse_io_ports, ec);
if (ACPI_FAILURE(status)) if (ACPI_FAILURE(status))
...@@ -804,12 +808,12 @@ static int acpi_ec_add(struct acpi_device *device) ...@@ -804,12 +808,12 @@ static int acpi_ec_add(struct acpi_device *device)
ec = make_acpi_ec(); ec = make_acpi_ec();
if (!ec) if (!ec)
return -ENOMEM; return -ENOMEM;
}
if (ec_parse_device(device->handle, 0, ec, NULL) != if (ec_parse_device(device->handle, 0, ec, NULL) !=
AE_CTRL_TERMINATE) { AE_CTRL_TERMINATE) {
kfree(ec); kfree(ec);
return -EINVAL; return -EINVAL;
} }
}
ec->handle = device->handle; ec->handle = device->handle;
...@@ -986,12 +990,12 @@ int __init acpi_ec_ecdt_probe(void) ...@@ -986,12 +990,12 @@ int __init acpi_ec_ecdt_probe(void)
boot_ec->handle = ACPI_ROOT_OBJECT; boot_ec->handle = ACPI_ROOT_OBJECT;
acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle); acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);
/* Don't trust ECDT, which comes from ASUSTek */ /* Don't trust ECDT, which comes from ASUSTek */
if (!dmi_name_in_vendors("ASUS")) if (!dmi_name_in_vendors("ASUS") && EC_FLAGS_MSI == 0)
goto install; goto install;
saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL); saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
if (!saved_ec) if (!saved_ec)
return -ENOMEM; return -ENOMEM;
memcpy(saved_ec, boot_ec, sizeof(*saved_ec)); memcpy(saved_ec, boot_ec, sizeof(struct acpi_ec));
/* fall through */ /* fall through */
} }
/* This workaround is needed only on some broken machines, /* This workaround is needed only on some broken machines,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment