[PATCH v1 19/25] PCI: rcar Gen2: Request host bridge window resources

Bjorn Helgaas
2016-06-06T23:07:06Z

Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/pci/host/pci-rcar-gen2.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 9980a4b..617a6b2 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -194,6 +194,7 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
struct rcar_pci_priv *priv = sys->private_data;
void __iomem *reg = priv->reg;
u32 val;
+ int ret;

pm_runtime_enable(priv->dev);
pm_runtime_get_sync(priv->dev);
@@ -275,6 +276,9 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
/* Add PCI resources */
pci_add_resource(&sys->resources, &priv->io_res);
pci_add_resource(&sys->resources, &priv->mem_res);
+ ret = devm_request_pci_bus_resources(priv->dev, &sys->resources);
+ if (ret < 0)
+ return ret;

/* Setup bus number based on platform device id / of bus-range */
sys->busnr = priv->busnr;