Re: [Qemu-devel] [PATCH v5 5/6] xlnx-zynqmp: Connect the SPI devices

[Paolo Bonzini <pbonzini@redhat.com>]

On 16/12/2015 22:45, Alistair Francis wrote:
> +
> +        /* Rename each SPI bus after the SPI device to allow the board
> +         * to access all of the busses from the SoC.
> +         */
> +        spi_bus = qdev_get_child_bus(DEVICE(&s->spi[i]), "spi0");
> +        snprintf(bus_name, 6, "spi%d", i);
> +        qdev_bus_rename(spi_bus, bus_name);
> +
> +        /* Add the SPI buses to the SoC child bus */
> +        /* FIXME: This causes the later buses to be duplicated in
> +         * the SPI devices printout when running qtre.
> +         */
> +        QLIST_INSERT_HEAD(&dev->child_bus, spi_bus, sibling);

Isn't the SPI bus accessible with something similar to spi[0-5]/spi0,
even without this hack?

In any case, I would prefer qdev_bus_rename to stay in xlnx-zynqmp.c.

Paolo