X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpnp%2Fpnpbios%2Fcore.c;h=95738dbd5d4555cec6428595b06ce72cd32aa8be;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=b154b3f52cbe3cadcdf73f7e2a1a2a23f137ea34;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index b154b3f52..95738dbd5 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -61,6 +61,7 @@
 #include <linux/dmi.h>
 #include <linux/delay.h>
 #include <linux/acpi.h>
+#include <linux/freezer.h>
 
 #include <asm/page.h>
 #include <asm/desc.h>
@@ -108,10 +109,10 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info)
 	if (!current->fs->root) {
 		return -EAGAIN;
 	}
-	if (!(envp = (char **) kcalloc (20, sizeof (char *), GFP_KERNEL))) {
+	if (!(envp = kcalloc(20, sizeof (char *), GFP_KERNEL))) {
 		return -ENOMEM;
 	}
-	if (!(buf = kcalloc (1, 256, GFP_KERNEL))) {
+	if (!(buf = kzalloc(256, GFP_KERNEL))) {
 		kfree (envp);
 		return -ENOMEM;
 	}
@@ -219,7 +220,7 @@ static int pnpbios_get_resources(struct pnp_dev * dev, struct pnp_resource_table
 	if(!pnpbios_is_dynamic(dev))
 		return -EPERM;
 
-	node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return -1;
 	if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) {
@@ -242,7 +243,7 @@ static int pnpbios_set_resources(struct pnp_dev * dev, struct pnp_resource_table
 	if (!pnpbios_is_dynamic(dev))
 		return -EPERM;
 
-	node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return -1;
 	if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) {
@@ -293,7 +294,7 @@ static int pnpbios_disable_resources(struct pnp_dev *dev)
 	if(dev->flags & PNPBIOS_NO_DISABLE || !pnpbios_is_dynamic(dev))
 		return -EPERM;
 
-	node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return -ENOMEM;
 
@@ -335,7 +336,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
 	}
 
 	/* set the initial values for the PnP device */
-	dev_id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL);
+	dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
 	if (!dev_id)
 		return -1;
 	pnpid32_to_pnpid(node->eisa_id,id);
@@ -346,7 +347,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
 	dev->flags = node->flags;
 	if (!(dev->flags & PNPBIOS_NO_CONFIG))
 		dev->capabilities |= PNP_CONFIGURABLE;
-	if (!(dev->flags & PNPBIOS_NO_DISABLE))
+	if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
 		dev->capabilities |= PNP_DISABLE;
 	dev->capabilities |= PNP_READ;
 	if (pnpbios_is_dynamic(dev))
@@ -373,7 +374,7 @@ static void __init build_devlist(void)
 	struct pnp_bios_node *node;
 	struct pnp_dev *dev;
 
-	node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return;
 
@@ -390,7 +391,7 @@ static void __init build_devlist(void)
 				break;
 		}
 		nodes_got++;
-		dev =  kcalloc(1, sizeof (struct pnp_dev), GFP_KERNEL);
+		dev =  kzalloc(sizeof (struct pnp_dev), GFP_KERNEL);
 		if (!dev)
 			break;
 		if(insert_device(dev,node)<0)
@@ -526,7 +527,12 @@ static int __init pnpbios_init(void)
 {
 	int ret;
 
-	if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table)) {
+#if defined(CONFIG_PPC_MERGE)
+	if (check_legacy_ioport(PNPBIOS_BASE))
+		return -ENODEV;
+#endif
+	if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table) ||
+	    paravirt_enabled()) {
 		printk(KERN_INFO "PnPBIOS: Disabled\n");
 		return -ENODEV;
 	}
@@ -575,6 +581,10 @@ subsys_initcall(pnpbios_init);
 
 static int __init pnpbios_thread_init(void)
 {
+#if defined(CONFIG_PPC_MERGE)
+	if (check_legacy_ioport(PNPBIOS_BASE))
+		return 0;
+#endif
 	if (pnpbios_disabled)
 		return 0;
 #ifdef CONFIG_HOTPLUG