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i2c: synquacer: fix enumeration of slave devices

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commit 95e0cf3cae upstream.

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: 0d676a6c43 ("i2c: add support for Socionext SynQuacer I2C controller")
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel
2019-04-30 11:47:34 +02:00
committed by Greg Kroah-Hartman
parent ec30811209
commit d1493c5cbb
1 changed files with 2 additions and 0 deletions
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2
drivers/i2c/busses/i2c-synquacer.c
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@@ -602,6 +602,8 @@ 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);