PNP: add debug when assigning PNP resources
This patch adds code to dump PNP resources before and after
assigning resources and before writing them to the device.
This is enabled by CONFIG_PNP_DEBUG=y.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index e848b79..3aeb154 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -51,3 +51,40 @@
str[6] = hex_asc((id >> 0) & 0xf);
str[7] = '\0';
}
+
+void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
+{
+#ifdef DEBUG
+ struct resource *res;
+ int i;
+
+ dev_dbg(&dev->dev, "current resources: %s\n", desc);
+
+ for (i = 0; i < PNP_MAX_IRQ; i++) {
+ res = &dev->res.irq_resource[i];
+ if (!(res->flags & IORESOURCE_UNSET))
+ dev_dbg(&dev->dev, " irq %lld flags %#lx\n",
+ (unsigned long long) res->start, res->flags);
+ }
+ for (i = 0; i < PNP_MAX_DMA; i++) {
+ res = &dev->res.dma_resource[i];
+ if (!(res->flags & IORESOURCE_UNSET))
+ dev_dbg(&dev->dev, " dma %lld flags %#lx\n",
+ (unsigned long long) res->start, res->flags);
+ }
+ for (i = 0; i < PNP_MAX_PORT; i++) {
+ res = &dev->res.port_resource[i];
+ if (!(res->flags & IORESOURCE_UNSET))
+ dev_dbg(&dev->dev, " io %#llx-%#llx flags %#lx\n",
+ (unsigned long long) res->start,
+ (unsigned long long) res->end, res->flags);
+ }
+ for (i = 0; i < PNP_MAX_MEM; i++) {
+ res = &dev->res.mem_resource[i];
+ if (!(res->flags & IORESOURCE_UNSET))
+ dev_dbg(&dev->dev, " mem %#llx-%#llx flags %#lx\n",
+ (unsigned long long) res->start,
+ (unsigned long long) res->end, res->flags);
+ }
+#endif
+}