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path: root/drivers/pnp/pnpacpi
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Diffstat (limited to 'drivers/pnp/pnpacpi')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index dd61e09029b..ae3819ad7cf 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -444,6 +444,7 @@ pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
struct acpipnp_parse_option_s {
struct pnp_option *option;
+ struct pnp_option *option_independent;
struct pnp_dev *dev;
};
@@ -507,7 +508,14 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
parse_data->option = option;
break;
case ACPI_RSTYPE_END_DPF:
- return AE_CTRL_TERMINATE;
+ /*only one EndDependentFn is allowed*/
+ if (!parse_data->option_independent) {
+ pnp_warn("PnPACPI: more than one EndDependentFn");
+ return AE_ERROR;
+ }
+ parse_data->option = parse_data->option_independent;
+ parse_data->option_independent = NULL;
+ break;
default:
pnp_warn("PnPACPI: unknown resource type %d", res->id);
return AE_ERROR;
@@ -525,6 +533,7 @@ acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
parse_data.option = pnp_register_independent_option(dev);
if (!parse_data.option)
return AE_ERROR;
+ parse_data.option_independent = parse_data.option;
parse_data.dev = dev;
status = acpi_walk_resources(handle, METHOD_NAME__PRS,
pnpacpi_option_resource, &parse_data);