| Message ID | 20241204150145.800408-2-maz@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | PCI: Convert the Apple controller to host bridge hooks | expand |
On Wed, Dec 04, 2024 at 03:01:44PM +0000, Marc Zyngier wrote: > In order to let host controller drivers using the host-generic > infrastructure use the {en,dis}able_device() callbacks that can > be used to configure sideband RID mapping hardware, provide these > two callbacks as part of the pci_ecap_ops structure. > > Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> > --- > drivers/pci/controller/pci-host-common.c | 2 ++ > include/linux/pci-ecam.h | 4 ++++ > 2 files changed, 6 insertions(+) > > diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c > index cf5f59a745b37..f441bfd6f96a8 100644 > --- a/drivers/pci/controller/pci-host-common.c > +++ b/drivers/pci/controller/pci-host-common.c > @@ -75,6 +75,8 @@ int pci_host_common_probe(struct platform_device *pdev) > > bridge->sysdata = cfg; > bridge->ops = (struct pci_ops *)&ops->pci_ops; > + bridge->enable_device = ops->enable_device; > + bridge->disable_device = ops->disable_device; > bridge->msi_domain = true; > > return pci_host_probe(bridge); > diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h > index 3a4860bd27586..3a10f8cfc3ad5 100644 > --- a/include/linux/pci-ecam.h > +++ b/include/linux/pci-ecam.h > @@ -45,6 +45,10 @@ struct pci_ecam_ops { > unsigned int bus_shift; > struct pci_ops pci_ops; > int (*init)(struct pci_config_window *); > + int (*enable_device)(struct pci_host_bridge *, > + struct pci_dev *); > + void (*disable_device)(struct pci_host_bridge *, > + struct pci_dev *); > }; > > /* > -- > 2.39.2 >
diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index cf5f59a745b37..f441bfd6f96a8 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -75,6 +75,8 @@ int pci_host_common_probe(struct platform_device *pdev) bridge->sysdata = cfg; bridge->ops = (struct pci_ops *)&ops->pci_ops; + bridge->enable_device = ops->enable_device; + bridge->disable_device = ops->disable_device; bridge->msi_domain = true; return pci_host_probe(bridge); diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 3a4860bd27586..3a10f8cfc3ad5 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -45,6 +45,10 @@ struct pci_ecam_ops { unsigned int bus_shift; struct pci_ops pci_ops; int (*init)(struct pci_config_window *); + int (*enable_device)(struct pci_host_bridge *, + struct pci_dev *); + void (*disable_device)(struct pci_host_bridge *, + struct pci_dev *); }; /*
In order to let host controller drivers using the host-generic infrastructure use the {en,dis}able_device() callbacks that can be used to configure sideband RID mapping hardware, provide these two callbacks as part of the pci_ecap_ops structure. Signed-off-by: Marc Zyngier <maz@kernel.org> --- drivers/pci/controller/pci-host-common.c | 2 ++ include/linux/pci-ecam.h | 4 ++++ 2 files changed, 6 insertions(+)