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[v2,4/4] PCI: cadence: Fix to read 32-bit Vendor ID/Device ID property from DT

Message ID 20200417114322.31111-5-kishon@ti.com
State New
Headers show
Series [v2,1/4] dt-bindings: PCI: cadence: Deprecate inbound/outbound specific bindings | expand

Commit Message

Kishon Vijay Abraham I April 17, 2020, 11:43 a.m. UTC
The PCI Bus Binding specification (IEEE Std 1275-1994 Revision 2.1 [1])
defines both Vendor ID and Device ID to be 32-bits. Fix
pcie-cadence-host.c driver to read 32-bit Vendor ID and Device ID
properties from device tree.

[1] -> https://www.devicetree.org/open-firmware/bindings/pci/pci2_1.pdf

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/controller/cadence/pcie-cadence-host.c | 4 ++--
 drivers/pci/controller/cadence/pcie-cadence.h      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 8f72967f298f..31e67c9c88cf 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -229,10 +229,10 @@  int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
 	}
 
 	rc->vendor_id = 0xffff;
-	of_property_read_u16(np, "vendor-id", &rc->vendor_id);
+	of_property_read_u32(np, "vendor-id", &rc->vendor_id);
 
 	rc->device_id = 0xffff;
-	of_property_read_u16(np, "device-id", &rc->device_id);
+	of_property_read_u32(np, "device-id", &rc->device_id);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "reg");
 	pcie->reg_base = devm_ioremap_resource(dev, res);
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index 6bd89a21bb1c..df14ad002fe9 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -262,8 +262,8 @@  struct cdns_pcie_rc {
 	struct resource		*bus_range;
 	void __iomem		*cfg_base;
 	u32			no_bar_nbits;
-	u16			vendor_id;
-	u16			device_id;
+	u32			vendor_id;
+	u32			device_id;
 };
 
 /**