---

yaml --- r: 95568 b: refs/heads/master c: b90eca0 h: refs/heads/master v: v3
git-mirror · Apr 29, 2008 · cac13a7 · cac13a7
1 parent fc57271
commit cac13a7
Show file tree

Hide file tree

Showing 3 changed files with 29 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d948a8daa059cf5b3e7f002e7b92acf00fc70c49
+refs/heads/master: b90eca0a61ebd010036242e29610bc6a909e3f19
diff --git a/trunk/drivers/pnp/resource.c b/trunk/drivers/pnp/resource.c
@@ -487,6 +487,33 @@ int pnp_check_dma(struct pnp_dev *dev, int idx)
 #endif
 }
 
+struct resource *pnp_get_resource(struct pnp_dev *dev,
+				  unsigned int type, unsigned int num)
+{
+	struct pnp_resource_table *res = &dev->res;
+
+	switch (type) {
+	case IORESOURCE_IO:
+		if (num >= PNP_MAX_PORT)
+			return NULL;
+		return &res->port_resource[num];
+	case IORESOURCE_MEM:
+		if (num >= PNP_MAX_MEM)
+			return NULL;
+		return &res->mem_resource[num];
+	case IORESOURCE_IRQ:
+		if (num >= PNP_MAX_IRQ)
+			return NULL;
+		return &res->irq_resource[num];
+	case IORESOURCE_DMA:
+		if (num >= PNP_MAX_DMA)
+			return NULL;
+		return &res->dma_resource[num];
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(pnp_get_resource);
+
 /* format is: pnp_reserve_irq=irq1[,irq2] .... */
 static int __init pnp_setup_reserve_irq(char *str)
 {

diff --git a/trunk/include/linux/pnp.h b/trunk/include/linux/pnp.h
@@ -25,6 +25,7 @@ struct pnp_dev;
 /*
  * Resource Management
  */
+struct resource *pnp_get_resource(struct pnp_dev *, unsigned int, unsigned int);
 
 /* Use these instead of directly reading pnp_dev to get resource information */
 #define pnp_port_start(dev,bar)   ((dev)->res.port_resource[(bar)].start)