On Tue, Jul 28, 2015 at 10:44:02AM +0100, Graeme Gregory wrote:
> Added the match table and pointers for ACPI probing to the driver.
>
> This uses the same identifier for virt devices as being used for qemu
> ARM64 ACPI support.
>
> http://git.linaro.org/people/shannon.zhao/qemu.git/commit/d0bf1955a3ecbab4b51d46f8c5dda02b7e14a17e
>
> Signed-off-by: Graeme Gregory <graeme.greg...@linaro.org>
> ---
> drivers/virtio/virtio_mmio.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
> index 10189b5..f499d9d 100644
> --- a/drivers/virtio/virtio_mmio.c
> +++ b/drivers/virtio/virtio_mmio.c
> @@ -58,6 +58,7 @@
>
> #define pr_fmt(fmt) "virtio-mmio: " fmt
>
> +#include <linux/acpi.h>
> #include <linux/highmem.h>
> #include <linux/interrupt.h>
> #include <linux/io.h>
> @@ -732,12 +733,21 @@ static struct of_device_id virtio_mmio_match[] = {
> };
> MODULE_DEVICE_TABLE(of, virtio_mmio_match);
>
> +#ifdef CONFIG_ACPI
> +static const struct acpi_device_id virtio_mmio_acpi_match[] = {
> + { "LNRO0005", },
> + { }
> +};
Hmm - we have reserved QEMUXXXX in ASWG explicitly for this purpose.
Pater - do you think it's a good idea to change this before QEMU 2.4
is released?
> +MODULE_DEVICE_TABLE(acpi, virtio_mmio_acpi_match);
> +#endif
> +
> static struct platform_driver virtio_mmio_driver = {
> .probe = virtio_mmio_probe,
> .remove = virtio_mmio_remove,
> .driver = {
> .name = "virtio-mmio",
> .of_match_table = virtio_mmio_match,
> + .acpi_match_table = ACPI_PTR(virtio_mmio_acpi_match),
> },
> };
>
> --
> 2.1.4
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