PNPACPI: add window support

Add support for resource windows.  This is for bridge resources, i.e.,
regions where a bridge forwards transactions from the primary to the
secondary side.  This does not add support for *setting* windows via
the /proc interface.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 68b0c04987e4..ba437b704de8 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -278,9 +278,11 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
                 switch (pnp_resource_type(res)) {
                 case IORESOURCE_IO:
                 case IORESOURCE_MEM:
-                        pnp_printf(buffer, " %#llx-%#llx\n",
+                        pnp_printf(buffer, " %#llx-%#llx%s\n",
                                    (unsigned long long) res->start,
-                                   (unsigned long long) res->end);
+                                   (unsigned long long) res->end,
+                                   res->flags & IORESOURCE_WINDOW ?
+                                        " window" : "");
                         break;
                 case IORESOURCE_IRQ:
                 case IORESOURCE_DMA: