diff mbox series

[v2,08/11] PCI: mvebu: Properly initialize vendor, device and revision of emulated bridge

Message ID 20220104153529.31647-9-pali@kernel.org
State New
Headers show
Series PCI: Small improvements for pci-bridge-emul and mvebu | expand

Commit Message

Pali Rohár Jan. 4, 2022, 3:35 p.m. UTC 
With this change also PCI vendor id is read from mvebu registers.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 drivers/pci/controller/pci-mvebu.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c
index 551f55af5226..94ef00b6d697 100644
--- a/drivers/pci/controller/pci-mvebu.c
+++ b/drivers/pci/controller/pci-mvebu.c
@@ -712,13 +712,14 @@  static int mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port)
 {
 	unsigned int bridge_flags = PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD;
 	struct pci_bridge_emul *bridge = &port->bridge;
+	u32 dev_id = mvebu_readl(port, PCIE_DEV_ID_OFF);
+	u32 dev_rev = mvebu_readl(port, PCIE_DEV_REV_OFF);
 	u32 pcie_cap = mvebu_readl(port, PCIE_CAP_PCIEXP);
 	u8 pcie_cap_ver = ((pcie_cap >> 16) & PCI_EXP_FLAGS_VERS);
 
-	bridge->conf.vendor = PCI_VENDOR_ID_MARVELL;
-	bridge->conf.device = mvebu_readl(port, PCIE_DEV_ID_OFF) >> 16;
-	bridge->conf.class_revision =
-		mvebu_readl(port, PCIE_DEV_REV_OFF) & 0xff;
+	bridge->conf.vendor = cpu_to_le16(dev_id & 0xffff);
+	bridge->conf.device = cpu_to_le16(dev_id >> 16);
+	bridge->conf.class_revision = cpu_to_le32(dev_rev & 0xff);
 
 	if (mvebu_has_ioport(port)) {
 		/* We support 32 bits I/O addressing */