i2c: xlp9xx: ACPI support for I2C clients

The ACPI companion of the adapter has to be set for I2C controller
code to read and attach the slave devices described in the ACPI table
with the I2CSerialBus resource descriptor. Used ACPI_COMPANION_SET
macro to set this.

Signed-off-by: Tanmay Jagdale <tanmay.jagdale@broadcom.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-xlp9xx.c b/drivers/i2c/busses/i2c-xlp9xx.c
index e29ff37a43bd615bba54a39402c78d5574af0d92..84a8b2eccffb2d0d35991ff278409c09ca424e72 100644 (file)
--- a/drivers/i2c/busses/i2c-xlp9xx.c
+++ b/drivers/i2c/busses/i2c-xlp9xx.c
@@ -393,6 +393,7 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev)
        init_completion(&priv->msg_complete);
        priv->adapter.dev.parent = &pdev->dev;
        priv->adapter.algo = &xlp9xx_i2c_algo;
+       ACPI_COMPANION_SET(&priv->adapter.dev, ACPI_COMPANION(&pdev->dev));
        priv->adapter.dev.of_node = pdev->dev.of_node;
        priv->dev = &pdev->dev;