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path: root/drivers/pnp/pnpacpi/rsparser.c
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Diffstat (limited to 'drivers/pnp/pnpacpi/rsparser.c')
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index a512908bf4e3..0201c8adfda7 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -339,16 +339,24 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
return AE_OK;
}
-acpi_status pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
+int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
{
acpi_handle handle = dev->data;
+ acpi_status status;
dev_dbg(&dev->dev, "parse allocated resources\n");
pnp_init_resources(dev);
- return acpi_walk_resources(handle, METHOD_NAME__CRS,
- pnpacpi_allocated_resource, dev);
+ status = acpi_walk_resources(handle, METHOD_NAME__CRS,
+ pnpacpi_allocated_resource, dev);
+
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND)
+ dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
+ return -EPERM;
+ }
+ return 0;
}
static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
@@ -670,7 +678,7 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
return AE_OK;
}
-acpi_status __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
+int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
{
acpi_handle handle = dev->data;
acpi_status status;
@@ -680,13 +688,19 @@ acpi_status __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
parse_data.option = pnp_register_independent_option(dev);
if (!parse_data.option)
- return AE_ERROR;
+ return -ENOMEM;
+
parse_data.option_independent = parse_data.option;
parse_data.dev = dev;
status = acpi_walk_resources(handle, METHOD_NAME__PRS,
pnpacpi_option_resource, &parse_data);
- return status;
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND)
+ dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
+ return -EPERM;
+ }
+ return 0;
}
static int pnpacpi_supported_resource(struct acpi_resource *res)
@@ -745,7 +759,7 @@ int pnpacpi_build_resource_template(struct pnp_dev *dev,
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
pnpacpi_count_resources, &res_cnt);
if (ACPI_FAILURE(status)) {
- dev_err(&dev->dev, "can't evaluate _CRS\n");
+ dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
return -EINVAL;
}
if (!res_cnt)
@@ -760,7 +774,7 @@ int pnpacpi_build_resource_template(struct pnp_dev *dev,
pnpacpi_type_resources, &resource);
if (ACPI_FAILURE(status)) {
kfree(buffer->pointer);
- dev_err(&dev->dev, "can't evaluate _CRS\n");
+ dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
return -EINVAL;
}
/* resource will pointer the end resource now */