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PCI: cadence: Do not error if "cdns,max-outbound-regions" is not found

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Now that "cdns,max-outbound-regions" is made an optional property, do
not error out if "cdns,max-outbound-regions" device tree property is
not found.

Link: http://lore.kernel.org/r/20201105165331.GA55814@bogus
Link: https://lore.kernel.org/r/20201106151107.3987-3-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Kishon Vijay Abraham I 2020-11-06 20:41:07 +05:30 committed by Lorenzo Pieralisi
parent 4a2b9125c9
commit e87d17ca6a
2 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/pci/controller/cadence/pcie-cadence-ep.c
View File

@ -530,12 +530,9 @@ int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
}
pcie->mem_res = res;
ret = of_property_read_u32(np, "cdns,max-outbound-regions",
&ep->max_regions);
if (ret < 0) {
dev_err(dev, "missing \"cdns,max-outbound-regions\"\n");
return ret;
}
ep->max_regions = CDNS_PCIE_MAX_OB;
of_property_read_u32(np, "cdns,max-outbound-regions", &ep->max_regions);
ep->ob_addr = devm_kcalloc(dev,
ep->max_regions, sizeof(*ep->ob_addr),
GFP_KERNEL);

1
drivers/pci/controller/cadence/pcie-cadence.h
View File

@ -197,6 +197,7 @@ enum cdns_pcie_rp_bar {
};
#define CDNS_PCIE_RP_MAX_IB 0x3
#define CDNS_PCIE_MAX_OB 32
struct cdns_pcie_rp_ib_bar {
u64 size;