[PATCH 3/4] PCI: rcar-pcie: Set root bus nr to that provided in DT

Phil Edworthy
2015-10-02T10:29:10Z

On ARM64, setting the root bus number to -1 causes probe failure.
Moreover, we should use the bus number specified in the DT as we
could have multiple PCIe controllers with different bus ranges.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
---
drivers/pci/host/pcie-rcar.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 6057e31..8e583c2 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -362,7 +362,7 @@ static int rcar_pcie_setup(int nr, struct list_head *resource, struct rcar_pcie
struct resource *res;
int i;

- pcie->root_bus_nr = -1;
+ pcie->root_bus_nr = pcie->busn.start;

/* Setup PCI resources */
for (i = 0; i < RCAR_PCI_MAX_RESOURCES; i++) {
--
1.9.1