PNP: add detail to debug resource dump

In the debug resource dump, decode the flags and indicate when
a resource is disabled or has been automatically assigned.

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

1 files changed, 26 insertions, 8 deletions

diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 95b076c18c07..7f594ccf4958 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -63,28 +63,46 @@ void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
         for (i = 0; i < PNP_MAX_IRQ; i++) {
                 res = pnp_get_resource(dev, IORESOURCE_IRQ, i);
                 if (res && !(res->flags & IORESOURCE_UNSET))
-                        dev_dbg(&dev->dev, "  irq %lld flags %#lx\n",
-                                (unsigned long long) res->start, res->flags);
+                        dev_dbg(&dev->dev, "  irq %lld flags %#lx%s%s\n",
+                                (unsigned long long) res->start, res->flags,
+                                res->flags & IORESOURCE_DISABLED ?
+                                        " DISABLED" : "",
+                                res->flags & IORESOURCE_AUTO ?
+                                        " AUTO" : "");
         }
         for (i = 0; i < PNP_MAX_DMA; i++) {
                 res = pnp_get_resource(dev, IORESOURCE_DMA, i);
                 if (res && !(res->flags & IORESOURCE_UNSET))
-                        dev_dbg(&dev->dev, "  dma %lld flags %#lx\n",
-                                (unsigned long long) res->start, res->flags);
+                        dev_dbg(&dev->dev, "  dma %lld flags %#lx%s%s\n",
+                                (unsigned long long) res->start, res->flags,
+                                res->flags & IORESOURCE_DISABLED ?
+                                        " DISABLED" : "",
+                                res->flags & IORESOURCE_AUTO ?
+                                        " AUTO" : "");
         }
         for (i = 0; i < PNP_MAX_PORT; i++) {
                 res = pnp_get_resource(dev, IORESOURCE_IO, i);
                 if (res && !(res->flags & IORESOURCE_UNSET))
-                        dev_dbg(&dev->dev, "  io  %#llx-%#llx flags %#lx\n",
+                        dev_dbg(&dev->dev, "  io  %#llx-%#llx flags %#lx"
+                                "%s%s\n",
                                 (unsigned long long) res->start,
-                                (unsigned long long) res->end, res->flags);
+                                (unsigned long long) res->end, res->flags,
+                                res->flags & IORESOURCE_DISABLED ?
+                                        " DISABLED" : "",
+                                res->flags & IORESOURCE_AUTO ?
+                                        " AUTO" : "");
         }
         for (i = 0; i < PNP_MAX_MEM; i++) {
                 res = pnp_get_resource(dev, IORESOURCE_MEM, i);
                 if (res && !(res->flags & IORESOURCE_UNSET))
-                        dev_dbg(&dev->dev, "  mem %#llx-%#llx flags %#lx\n",
+                        dev_dbg(&dev->dev, "  mem %#llx-%#llx flags %#lx"
+                                "%s%s\n",
                                 (unsigned long long) res->start,
-                                (unsigned long long) res->end, res->flags);
+                                (unsigned long long) res->end, res->flags,
+                                res->flags & IORESOURCE_DISABLED ?
+                                        " DISABLED" : "",
+                                res->flags & IORESOURCE_AUTO ?
+                                        " AUTO" : "");
         }
 #endif
 }