Re: [Qemu-devel] [PATCH-for-4.2 v10 07/11] hw/arm: Factor out powerdown notifier from GPIO

[Igor Mammedov <imammedo@redhat.com>]

On Wed, 4 Sep 2019 09:56:25 +0100
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> wrote:

> This is in preparation of using GED device for
> system_powerdown event. Make the powerdown notifier
> registration independent of create_gpio() fn.
> 
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> Reviewed-by: Eric Auger <eric.auger@redhat.com>

Reviewed-by: Igor Mammedov <imammedo@redhat.com>

> ---
>  hw/arm/virt.c         | 12 ++++--------
>  include/hw/arm/virt.h |  1 +
>  2 files changed, 5 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 95accc28f1..89ee37d7de 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -791,10 +791,6 @@ static void virt_powerdown_req(Notifier *n, void *opaque)
>      qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
>  }
>  
> -static Notifier virt_system_powerdown_notifier = {
> -    .notify = virt_powerdown_req
> -};
> -
>  static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
>  {
>      char *nodename;
> @@ -835,10 +831,6 @@ static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
>                            KEY_POWER);
>      qemu_fdt_setprop_cells(vms->fdt, "/gpio-keys/poweroff",
>                             "gpios", phandle, 3, 0);
> -
> -    /* connect powerdown request */
> -    qemu_register_powerdown_notifier(&virt_system_powerdown_notifier);
> -
>      g_free(nodename);
>  }
>  
> @@ -1730,6 +1722,10 @@ static void machvirt_init(MachineState *machine)
>          vms->acpi_dev = create_acpi_ged(vms, pic);
>      }
>  
> +     /* connect powerdown request */
> +     vms->powerdown_notifier.notify = virt_powerdown_req;
> +     qemu_register_powerdown_notifier(&vms->powerdown_notifier);
> +
>      /* Create mmio transports, so the user can create virtio backends
>       * (which will be automatically plugged in to the transports). If
>       * no backend is created the transport will just sit harmlessly idle.
> diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
> index 577ee49b4b..0b41083e9d 100644
> --- a/include/hw/arm/virt.h
> +++ b/include/hw/arm/virt.h
> @@ -137,6 +137,7 @@ typedef struct {
>      int psci_conduit;
>      hwaddr highest_gpa;
>      DeviceState *acpi_dev;
> +    Notifier powerdown_notifier;
>  } VirtMachineState;
>  
>  #define VIRT_ECAM_ID(high) (high ? VIRT_HIGH_PCIE_ECAM : VIRT_PCIE_ECAM)