diff options
| author | Kishon Vijay Abraham I | 2020-07-22 16:33:08 +0530 |
|---|---|---|
| committer | Lorenzo Pieralisi | 2020-07-27 15:46:16 +0100 |
| commit | c4c10c0125a705c606cb0cc85e18f13b490d026f (patch) | |
| tree | 409b8838f67b6233f3b0a91ac6a3906fcdda1f76 /drivers | |
| parent | 40d957e6f9eb3a8a585007b8b730340c829afbdb (diff) | |
PCI: cadence: Allow pci_host_bridge to have custom pci_ops
Certain platforms like TI's J721E allows only 32-bit configuration
space access. In such cases pci_generic_config_read and
pci_generic_config_write cannot be used. Add support in Cadence core
to let pci_host_bridge have custom pci_ops.
Link: https://lore.kernel.org/r/20200722110317.4744-7-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/controller/cadence/pcie-cadence-host.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c index 4e650c7a0032..f889914563fe 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-host.c +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c @@ -506,7 +506,8 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc) list_splice_init(&resources, &bridge->windows); bridge->dev.parent = dev; bridge->busnr = pcie->bus; - bridge->ops = &cdns_pcie_host_ops; + if (!bridge->ops) + bridge->ops = &cdns_pcie_host_ops; bridge->map_irq = of_irq_parse_and_map_pci; bridge->swizzle_irq = pci_common_swizzle; |