i2c: synquacer: fix enumeration of slave devices

The I2C host driver for SynQuacer fails to populate the of_node and ACPI companion fields of the struct i2c_adapter it instantiates, resulting in enumeration of the subordinate I2C bus to fail. Fixes: 0d676a6 ("i2c: add support for Socionext SynQuacer I2C controller") Cc: <[email protected]> # v4.19+ Signed-off-by: Ard Biesheuvel <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
josf · May 2, 2019 · 95e0cf3 · 95e0cf3
1 parent fb31fbe
commit 95e0cf3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
@@ -597,6 +597,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
 	i2c->adapter = synquacer_i2c_ops;
 	i2c_set_adapdata(&i2c->adapter, i2c);
 	i2c->adapter.dev.parent = &pdev->dev;
+	i2c->adapter.dev.of_node = pdev->dev.of_node;
+	ACPI_COMPANION_SET(&i2c->adapter.dev, ACPI_COMPANION(&pdev->dev));
 	i2c->adapter.nr = pdev->id;
 	init_completion(&i2c->completion);