commit d948a8daa059cf5b3e7f002e7b92acf00fc70c49
author Bjorn Helgaas <bjorn.helgaas@hp.com> Mon Apr 28 16:34:13 2008 -0600
committer Len Brown <len.brown@intel.com> Tue Apr 29 03:22:23 2008 -0400
tree a7fed0c0d5f4b599a6999f58619e2d8df1e68852
parent af11cb2d521f9d7e10c565bafe8f2358772baa65

PNP: factor pnp_init_resource_table() and pnp_clean_resource_table()

Move the common part of pnp_init_resource_table() and
pnp_clean_resource_table() into a new pnp_init_resource().
This reduces a little code duplication and will be
useful later to initialize an individual resource.

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

drivers/pnp/base.h

diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 0c5cb1d..eb43fc6 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -18,3 +18,5 @@
 int pnp_check_dma(struct pnp_dev * dev, int idx);
 
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
+
+void pnp_init_resource(struct resource *res);

drivers/pnp/manager.c

diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index d407c07..8267efd 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -234,42 +234,52 @@
 	dev_dbg(&dev->dev, "  disable dma %d\n", idx);
 }
 
+void pnp_init_resource(struct resource *res)
+{
+	unsigned long type;
+
+	type = res->flags & (IORESOURCE_IO  | IORESOURCE_MEM |
+			     IORESOURCE_IRQ | IORESOURCE_DMA);
+
+	res->name = NULL;
+	res->flags = type | IORESOURCE_AUTO | IORESOURCE_UNSET;
+	if (type == IORESOURCE_IRQ || type == IORESOURCE_DMA) {
+		res->start = -1;
+		res->end = -1;
+	} else {
+		res->start = 0;
+		res->end = 0;
+	}
+}
+
 /**
  * pnp_init_resources - Resets a resource table to default values.
  * @table: pointer to the desired resource table
  */
 void pnp_init_resources(struct pnp_dev *dev)
 {
-	struct pnp_resource_table *table = &dev->res;
+	struct resource *res;
 	int idx;
 
 	for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
-		table->irq_resource[idx].name = NULL;
-		table->irq_resource[idx].start = -1;
-		table->irq_resource[idx].end = -1;
-		table->irq_resource[idx].flags =
-		    IORESOURCE_IRQ | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.irq_resource[idx];
+		res->flags = IORESOURCE_IRQ;
+		pnp_init_resource(res);
 	}
 	for (idx = 0; idx < PNP_MAX_DMA; idx++) {
-		table->dma_resource[idx].name = NULL;
-		table->dma_resource[idx].start = -1;
-		table->dma_resource[idx].end = -1;
-		table->dma_resource[idx].flags =
-		    IORESOURCE_DMA | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.dma_resource[idx];
+		res->flags = IORESOURCE_DMA;
+		pnp_init_resource(res);
 	}
 	for (idx = 0; idx < PNP_MAX_PORT; idx++) {
-		table->port_resource[idx].name = NULL;
-		table->port_resource[idx].start = 0;
-		table->port_resource[idx].end = 0;
-		table->port_resource[idx].flags =
-		    IORESOURCE_IO | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.port_resource[idx];
+		res->flags = IORESOURCE_IO;
+		pnp_init_resource(res);
 	}
 	for (idx = 0; idx < PNP_MAX_MEM; idx++) {
-		table->mem_resource[idx].name = NULL;
-		table->mem_resource[idx].start = 0;
-		table->mem_resource[idx].end = 0;
-		table->mem_resource[idx].flags =
-		    IORESOURCE_MEM | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.mem_resource[idx];
+		res->flags = IORESOURCE_MEM;
+		pnp_init_resource(res);
 	}
 }
 
@@ -279,40 +289,36 @@
  */
 static void pnp_clean_resource_table(struct pnp_dev *dev)
 {
-	struct pnp_resource_table *res = &dev->res;
+	struct resource *res;
 	int idx;
 
 	for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
-		if (!(res->irq_resource[idx].flags & IORESOURCE_AUTO))
-			continue;
-		res->irq_resource[idx].start = -1;
-		res->irq_resource[idx].end = -1;
-		res->irq_resource[idx].flags =
-		    IORESOURCE_IRQ | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.irq_resource[idx];
+		if (res->flags & IORESOURCE_AUTO) {
+			res->flags = IORESOURCE_IRQ;
+			pnp_init_resource(res);
+		}
 	}
 	for (idx = 0; idx < PNP_MAX_DMA; idx++) {
-		if (!(res->dma_resource[idx].flags & IORESOURCE_AUTO))
-			continue;
-		res->dma_resource[idx].start = -1;
-		res->dma_resource[idx].end = -1;
-		res->dma_resource[idx].flags =
-		    IORESOURCE_DMA | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.dma_resource[idx];
+		if (res->flags & IORESOURCE_AUTO) {
+			res->flags = IORESOURCE_DMA;
+			pnp_init_resource(res);
+		}
 	}
 	for (idx = 0; idx < PNP_MAX_PORT; idx++) {
-		if (!(res->port_resource[idx].flags & IORESOURCE_AUTO))
-			continue;
-		res->port_resource[idx].start = 0;
-		res->port_resource[idx].end = 0;
-		res->port_resource[idx].flags =
-		    IORESOURCE_IO | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.port_resource[idx];
+		if (res->flags & IORESOURCE_AUTO) {
+			res->flags = IORESOURCE_IO;
+			pnp_init_resource(res);
+		}
 	}
 	for (idx = 0; idx < PNP_MAX_MEM; idx++) {
-		if (!(res->mem_resource[idx].flags & IORESOURCE_AUTO))
-			continue;
-		res->mem_resource[idx].start = 0;
-		res->mem_resource[idx].end = 0;
-		res->mem_resource[idx].flags =
-		    IORESOURCE_MEM | IORESOURCE_AUTO | IORESOURCE_UNSET;
+		res = &dev->res.mem_resource[idx];
+		if (res->flags & IORESOURCE_AUTO) {
+			res->flags = IORESOURCE_MEM;
+			pnp_init_resource(res);
+		}
 	}
 }