Re: [PATCH-for-5.1 v3 17/24] hw/microblaze/xlnx-zynqmp-pmu: Move some code from realize() to init()

[Alistair Francis <alistair23@gmail.com>]

On Sun, Apr 12, 2020 at 3:44 PM Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> Coccinelle reported:
>
>   $ spatch ... --timeout 60 --sp-file \
>     scripts/coccinelle/simplify-init-realize-error_propagate.cocci
>   HANDLING: ./hw/microblaze/xlnx-zynqmp-pmu.c
>   >>> possible moves from xlnx_zynqmp_pmu_soc_init() to xlnx_zynqmp_pmu_soc_realize() in ./hw/microblaze/xlnx-zynqmp-pmu.c:79
>
> Move the calls using &error_abort which don't depend on input
> updated before realize() to init().
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
> v3: Typo 'depend of' -> 'depend on' (eblake)
> ---
>  hw/microblaze/xlnx-zynqmp-pmu.c | 46 ++++++++++++++++-----------------
>  1 file changed, 23 insertions(+), 23 deletions(-)
>
> diff --git a/hw/microblaze/xlnx-zynqmp-pmu.c b/hw/microblaze/xlnx-zynqmp-pmu.c
> index 028f31894d..2aa602cf85 100644
> --- a/hw/microblaze/xlnx-zynqmp-pmu.c
> +++ b/hw/microblaze/xlnx-zynqmp-pmu.c
> @@ -63,24 +63,6 @@ static void xlnx_zynqmp_pmu_soc_init(Object *obj)
>
>      object_initialize_child(obj, "pmu-cpu", &s->cpu, sizeof(s->cpu),
>                              TYPE_MICROBLAZE_CPU, &error_abort, NULL);
> -
> -    sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
> -                          TYPE_XLNX_PMU_IO_INTC);
> -
> -    /* Create the IPI device */
> -    for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
> -        char *name = g_strdup_printf("ipi%d", i);
> -        sysbus_init_child_obj(obj, name, &s->ipi[i],
> -                              sizeof(XlnxZynqMPIPI), TYPE_XLNX_ZYNQMP_IPI);
> -        g_free(name);
> -    }
> -}
> -
> -static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
> -{
> -    XlnxZynqMPPMUSoCState *s = XLNX_ZYNQMP_PMU_SOC(dev);
> -    Error *err = NULL;
> -
>      object_property_set_uint(OBJECT(&s->cpu), XLNX_ZYNQMP_PMU_ROM_ADDR,
>                               "base-vectors", &error_abort);
>      object_property_set_bool(OBJECT(&s->cpu), true, "use-stack-protection",
> @@ -99,18 +81,36 @@ static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
>      object_property_set_str(OBJECT(&s->cpu), "8.40.b", "version",
>                              &error_abort);
>      object_property_set_uint(OBJECT(&s->cpu), 0, "pvr", &error_abort);
> -    object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
> -    if (err) {
> -        error_propagate(errp, err);
> -        return;
> -    }
>
> +    sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
> +                          TYPE_XLNX_PMU_IO_INTC);
>      object_property_set_uint(OBJECT(&s->intc), 0x10, "intc-intr-size",
>                               &error_abort);
>      object_property_set_uint(OBJECT(&s->intc), 0x0, "intc-level-edge",
>                               &error_abort);
>      object_property_set_uint(OBJECT(&s->intc), 0xffff, "intc-positive",
>                               &error_abort);
> +
> +    /* Create the IPI device */
> +    for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
> +        char *name = g_strdup_printf("ipi%d", i);
> +        sysbus_init_child_obj(obj, name, &s->ipi[i],
> +                              sizeof(XlnxZynqMPIPI), TYPE_XLNX_ZYNQMP_IPI);
> +        g_free(name);
> +    }
> +}
> +
> +static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
> +{
> +    XlnxZynqMPPMUSoCState *s = XLNX_ZYNQMP_PMU_SOC(dev);
> +    Error *err = NULL;
> +
> +    object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
> +    if (err) {
> +        error_propagate(errp, err);
> +        return;
> +    }
> +
>      object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
>      if (err) {
>          error_propagate(errp, err);
> --
> 2.21.1
>
>