Re: [PATCH] i2c: virtio: Fix the compiler warning when CONFIG_ACPI is not set

From: Stephen Rothwell
Date: Wed Aug 18 2021 - 23:06:59 EST


Hi Jie,

On Thu, 19 Aug 2021 08:48:41 +0800 Jie Deng <jie.deng@xxxxxxxxx> wrote:
>
> Fix the compiler warning "drivers/i2c/busses/i2c-virtio.c:208:17:
> warning: unused variable 'pdev' [-Wunused-variable]" when CONFIG_ACPI
> is not set.
>
> Fixes: 8fb12751ac78 ("i2c: virtio: add a virtio i2c frontend driver")

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

> Signed-off-by: Jie Deng <jie.deng@xxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-virtio.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-virtio.c b/drivers/i2c/busses/i2c-virtio.c
> index d3e60d9..964c601 100644
> --- a/drivers/i2c/busses/i2c-virtio.c
> +++ b/drivers/i2c/busses/i2c-virtio.c
> @@ -205,7 +205,6 @@ static const struct i2c_adapter_quirks virtio_i2c_quirks = {
>
> static int virtio_i2c_probe(struct virtio_device *vdev)
> {
> - struct device *pdev = vdev->dev.parent;
> struct virtio_i2c *vi;
> int ret;
>
> @@ -234,7 +233,7 @@ static int virtio_i2c_probe(struct virtio_device *vdev)
> * Setup ACPI node for controlled devices which will be probed through
> * ACPI.
> */
> - ACPI_COMPANION_SET(&vi->adap.dev, ACPI_COMPANION(pdev));
> + ACPI_COMPANION_SET(&vi->adap.dev, ACPI_COMPANION(vdev->dev.parent));
>
> ret = i2c_add_adapter(&vi->adap);
> if (ret)

Looks good to me.

--
Cheers,
Stephen Rothwell

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