openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: 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>
This commit is contained in:
Ard Biesheuvel 2019-04-30 11:47:34 +02:00 committed by Wolfram Sang
parent fb31fbef9c
commit 95e0cf3cae
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/i2c/busses/i2c-synquacer.c
View File

@ -597,6 +597,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
i2c->adapter = synquacer_i2c_ops; i2c->adapter = synquacer_i2c_ops;
i2c_set_adapdata(&i2c->adapter, i2c); i2c_set_adapdata(&i2c->adapter, i2c);
i2c->adapter.dev.parent = &pdev->dev; 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; i2c->adapter.nr = pdev->id;
init_completion(&i2c->completion); init_completion(&i2c->completion);