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path: root/drivers/i2c/i2c-core-acpi.c
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Diffstat (limited to 'drivers/i2c/i2c-core-acpi.c')
-rw-r--r--drivers/i2c/i2c-core-acpi.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 92c1cc07ed46..c87ce2276007 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -144,9 +144,12 @@ static int i2c_acpi_do_lookup(struct acpi_device *adev,
struct list_head resource_list;
int ret;
- if (acpi_bus_get_status(adev) || !adev->status.present)
+ if (acpi_bus_get_status(adev))
return -EINVAL;
+ if (!acpi_dev_ready_for_enumeration(adev))
+ return -ENODEV;
+
if (acpi_match_device_ids(adev, i2c_acpi_ignored_device_ids) == 0)
return -ENODEV;
@@ -473,8 +476,8 @@ struct notifier_block i2c_acpi_notifier = {
};
/**
- * i2c_acpi_new_device - Create i2c-client for the Nth I2cSerialBus resource
- * @dev: Device owning the ACPI resources to get the client from
+ * i2c_acpi_new_device_by_fwnode - Create i2c-client for the Nth I2cSerialBus resource
+ * @fwnode: fwnode with the ACPI resources to get the client from
* @index: Index of ACPI resource to get
* @info: describes the I2C device; note this is modified (addr gets set)
* Context: can sleep
@@ -490,15 +493,20 @@ struct notifier_block i2c_acpi_notifier = {
* Returns a pointer to the new i2c-client, or error pointer in case of failure.
* Specifically, -EPROBE_DEFER is returned if the adapter is not found.
*/
-struct i2c_client *i2c_acpi_new_device(struct device *dev, int index,
- struct i2c_board_info *info)
+struct i2c_client *i2c_acpi_new_device_by_fwnode(struct fwnode_handle *fwnode,
+ int index,
+ struct i2c_board_info *info)
{
- struct acpi_device *adev = ACPI_COMPANION(dev);
struct i2c_acpi_lookup lookup;
struct i2c_adapter *adapter;
+ struct acpi_device *adev;
LIST_HEAD(resource_list);
int ret;
+ adev = to_acpi_device_node(fwnode);
+ if (!adev)
+ return ERR_PTR(-ENODEV);
+
memset(&lookup, 0, sizeof(lookup));
lookup.info = info;
lookup.device_handle = acpi_device_handle(adev);
@@ -520,7 +528,7 @@ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index,
return i2c_new_client_device(adapter, info);
}
-EXPORT_SYMBOL_GPL(i2c_acpi_new_device);
+EXPORT_SYMBOL_GPL(i2c_acpi_new_device_by_fwnode);
bool i2c_acpi_waive_d0_probe(struct device *dev)
{