On Fri, Jul 23, 2021 at 7:44 AM Jie Deng <jie.deng@xxxxxxxxx> wrote:
> +
> + ret = virtio_i2c_setup_vqs(vi);
> + if (ret)
> + return ret;
> +
> + vi->adap.owner = THIS_MODULE;
> + snprintf(vi->adap.name, sizeof(vi->adap.name),
> + "i2c_virtio at virtio bus %d", vdev->index);
> + vi->adap.algo = &virtio_algorithm;
> + vi->adap.quirks = &virtio_i2c_quirks;
> + vi->adap.dev.parent = &vdev->dev;
> + i2c_set_adapdata(&vi->adap, vi);
> +
> + /*
> + * Setup ACPI node for controlled devices which will be probed through
> + * ACPI.
> + */
> + ACPI_COMPANION_SET(&vi->adap.dev, ACPI_COMPANION(pdev));
Since there is now a generic way for virtio drivers to link up with OF
device nodes, maybe this should be handled the same way in the
virtio core rather than the driver?
> index 70a8057a..99aa27b 100644
> --- a/include/uapi/linux/virtio_ids.h
> +++ b/include/uapi/linux/virtio_ids.h
> @@ -55,6 +55,7 @@
> #define VIRTIO_ID_FS 26 /* virtio filesystem */
> #define VIRTIO_ID_PMEM 27 /* virtio pmem */
> #define VIRTIO_ID_MAC80211_HWSIM 29 /* virtio mac80211-hwsim */
> +#define VIRTIO_ID_I2C_ADAPTER 34 /* virtio i2c adapter */
> #define VIRTIO_ID_BT 40 /* virtio bluetooth */
This will now conflict with Viresh's patch that adds all the other IDs.
Not sure if there is anything to be done about that.
Arnd
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