X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpnp%2Fmanager.c;h=6fff109bdab606e98eb188f70a4b4a1dcafe6415;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=65ecef7385373248708d3dc001d442d5965ae0c1;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index 65ecef738..6fff109bd 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -11,14 +11,9 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-
-#ifdef CONFIG_PNP_DEBUG
-	#define DEBUG
-#else
-	#undef DEBUG
-#endif
-
 #include <linux/pnp.h>
+#include <linux/slab.h>
+#include <linux/bitmap.h>
 #include "base.h"
 
 DECLARE_MUTEX(pnp_res_mutex);
@@ -390,6 +385,7 @@ fail:
  * pnp_manual_config_dev - Disables Auto Config and Manually sets the resource table
  * @dev: pointer to the desired device
  * @res: pointer to the new resource config
+ * @mode: 0 or PNP_CONFIG_FORCE
  *
  * This function can be used by drivers that want to manually set thier resources.
  */
@@ -473,6 +469,53 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
 	return -EBUSY;
 }
 
+/**
+ * pnp_start_dev - low-level start of the PnP device
+ * @dev: pointer to the desired device
+ *
+ * assumes that resources have alread been allocated
+ */
+
+int pnp_start_dev(struct pnp_dev *dev)
+{
+	if (!pnp_can_write(dev)) {
+		pnp_info("Device %s does not support activation.", dev->dev.bus_id);
+		return -EINVAL;
+	}
+
+	if (dev->protocol->set(dev, &dev->res)<0) {
+		pnp_err("Failed to activate device %s.", dev->dev.bus_id);
+		return -EIO;
+	}
+
+	pnp_info("Device %s activated.", dev->dev.bus_id);
+
+	return 0;
+}
+
+/**
+ * pnp_stop_dev - low-level disable of the PnP device
+ * @dev: pointer to the desired device
+ *
+ * does not free resources
+ */
+
+int pnp_stop_dev(struct pnp_dev *dev)
+{
+	if (!pnp_can_disable(dev)) {
+		pnp_info("Device %s does not support disabling.", dev->dev.bus_id);
+		return -EINVAL;
+	}
+	if (dev->protocol->disable(dev)<0) {
+		pnp_err("Failed to disable device %s.", dev->dev.bus_id);
+		return -EIO;
+	}
+
+	pnp_info("Device %s disabled.", dev->dev.bus_id);
+
+	return 0;
+}
+
 /**
  * pnp_activate_dev - activates a PnP device for use
  * @dev: pointer to the desired device
@@ -481,6 +524,8 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
  */
 int pnp_activate_dev(struct pnp_dev *dev)
 {
+	int error;
+
 	if (!dev)
 		return -EINVAL;
 	if (dev->active) {
@@ -491,18 +536,11 @@ int pnp_activate_dev(struct pnp_dev *dev)
 	if (pnp_auto_config_dev(dev))
 		return -EBUSY;
 
-	if (!pnp_can_write(dev)) {
-		pnp_info("Device %s does not supported activation.", dev->dev.bus_id);
-		return -EINVAL;
-	}
-
-	if (dev->protocol->set(dev, &dev->res)<0) {
-		pnp_err("Failed to activate device %s.", dev->dev.bus_id);
-		return -EIO;
-	}
+	error = pnp_start_dev(dev);
+	if (error)
+		return error;
 
 	dev->active = 1;
-	pnp_info("Device %s activated.", dev->dev.bus_id);
 
 	return 1;
 }
@@ -515,23 +553,19 @@ int pnp_activate_dev(struct pnp_dev *dev)
  */
 int pnp_disable_dev(struct pnp_dev *dev)
 {
+	int error;
+
         if (!dev)
                 return -EINVAL;
 	if (!dev->active) {
 		return 0; /* the device is already disabled */
 	}
 
-	if (!pnp_can_disable(dev)) {
-		pnp_info("Device %s does not supported disabling.", dev->dev.bus_id);
-		return -EINVAL;
-	}
-	if (dev->protocol->disable(dev)<0) {
-		pnp_err("Failed to disable device %s.", dev->dev.bus_id);
-		return -EIO;
-	}
+	error = pnp_stop_dev(dev);
+	if (error)
+		return error;
 
 	dev->active = 0;
-	pnp_info("Device %s disabled.", dev->dev.bus_id);
 
 	/* release the resources so that other devices can use them */
 	down(&pnp_res_mutex);
@@ -559,7 +593,11 @@ void pnp_resource_change(struct resource *resource, unsigned long start, unsigne
 
 
 EXPORT_SYMBOL(pnp_manual_config_dev);
+#if 0
 EXPORT_SYMBOL(pnp_auto_config_dev);
+#endif
+EXPORT_SYMBOL(pnp_start_dev);
+EXPORT_SYMBOL(pnp_stop_dev);
 EXPORT_SYMBOL(pnp_activate_dev);
 EXPORT_SYMBOL(pnp_disable_dev);
 EXPORT_SYMBOL(pnp_resource_change);