[v2] hw/qdev: Housekeeping around qdev_get_parent_bus()

[PATCH v2 5/9] hw/pci: Replace dev->parent_bus by qdev_get_parent_bus(dev)

Philippe Mathieu-Daudé posted 9 patches 2 years, 12 months ago

Diff against v1
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Maintainers: Gerd Hoffmann <kraxel@redhat.com>, John Snow <jsnow@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Paolo Bonzini <pbonzini@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Fam Zheng <fam@euphon.net>, "Gonglei (Arei)" <arei.gonglei@huawei.com>

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[PATCH v2 5/9] hw/pci: Replace dev->parent_bus by qdev_get_parent_bus(dev)

Posted by Philippe Mathieu-Daudé 2 years, 12 months ago

DeviceState::parent_bus is an internal field and should be
accessed by the qdev_get_parent_bus() helper.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/pci-bridge/pci_expander_bridge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index e752a21292..8c0649c071 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -151,7 +151,7 @@ static char *pxb_host_ofw_unit_address(const SysBusDevice *dev)
     assert(position >= 0);
 
     pxb_dev_base = DEVICE(pxb_dev);
-    main_host = PCI_HOST_BRIDGE(pxb_dev_base->parent_bus->parent);
+    main_host = PCI_HOST_BRIDGE(qdev_get_parent_bus(pxb_dev_base)->parent);
     main_host_sbd = SYS_BUS_DEVICE(main_host);
 
     if (main_host_sbd->num_mmio > 0) {
-- 
2.38.1

Re: [PATCH v2 5/9] hw/pci: Replace dev->parent_bus by qdev_get_parent_bus(dev)

Posted by Michael S. Tsirkin 2 years, 12 months ago

On Mon, Feb 13, 2023 at 08:04:19AM +0100, Philippe Mathieu-Daudé wrote:
> DeviceState::parent_bus is an internal field and should be
> accessed by the qdev_get_parent_bus() helper.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Acked-by: Michael S. Tsirkin <mst@redhat.com>

> ---
>  hw/pci-bridge/pci_expander_bridge.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
> index e752a21292..8c0649c071 100644
> --- a/hw/pci-bridge/pci_expander_bridge.c
> +++ b/hw/pci-bridge/pci_expander_bridge.c
> @@ -151,7 +151,7 @@ static char *pxb_host_ofw_unit_address(const SysBusDevice *dev)
>      assert(position >= 0);
>  
>      pxb_dev_base = DEVICE(pxb_dev);
> -    main_host = PCI_HOST_BRIDGE(pxb_dev_base->parent_bus->parent);
> +    main_host = PCI_HOST_BRIDGE(qdev_get_parent_bus(pxb_dev_base)->parent);
>      main_host_sbd = SYS_BUS_DEVICE(main_host);
>  
>      if (main_host_sbd->num_mmio > 0) {
> -- 
> 2.38.1