@@ -35,7 +35,7 @@ void pci_update_resource(struct pci_dev *dev, int resno)
u32 new, check, mask;
int reg;
enum pci_bar_type type;
- struct resource *res = dev->resource + resno;
+ struct resource *res = pci_dev_resource_n(dev, resno);
/*
* Ignore resources for unimplemented BARs and unused resource slots
@@ -52,6 +52,21 @@ void pci_update_resource(struct pci_dev *dev, int resno)
if (res->flags & IORESOURCE_PCI_FIXED)
return;
+ if (resno >= PCI_NUM_RESOURCES) {
+ struct pci_dev_addon_resource *addon_res;
+
+ addon_res = to_pci_dev_addon_resource(res);
+ reg = addon_res->reg_addr;
+ if (addon_res->ops) {
+ addon_res->ops->write(dev, res, reg);
+ return;
+ }
+ } else
+ reg = pci_resource_bar(dev, resno, &type);
+
+ if (!reg)
+ return;
+
pcibios_resource_to_bus(dev, ®ion, res);
new = region.start | (res->flags & PCI_REGION_FLAG_MASK);
@@ -60,9 +75,6 @@ void pci_update_resource(struct pci_dev *dev, int resno)
else
mask = (u32)PCI_BASE_ADDRESS_MEM_MASK;
- reg = pci_resource_bar(dev, resno, &type);
- if (!reg)
- return;
if (type != pci_bar_unknown) {
if (!(res->flags & IORESOURCE_ROM_ENABLE))
return;
@@ -286,7 +298,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
if (!ret) {
res->flags &= ~IORESOURCE_STARTALIGN;
dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res);
- if (resno < PCI_BRIDGE_RESOURCES)
+ if (!is_pci_bridge_resource_idx(resno))
pci_update_resource(dev, resno);
}
return ret;
@@ -311,7 +323,7 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
if (!ret) {
res->flags &= ~IORESOURCE_STARTALIGN;
dev_info(&dev->dev, "BAR %d: reassigned %pR\n", resno, res);
- if (resno < PCI_BRIDGE_RESOURCES)
+ if (!is_pci_bridge_resource_idx(resno))
pci_update_resource(dev, resno);
}
return ret;
Extend pci_update_resource to check resno and call addon resources ops to update bar for it. Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- drivers/pci/setup-res.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-)