X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fresource.c;h=74af2d7cb5a135ffa1da4c52ce9af026c527044d;hb=15895b932b8a047a1db7006a4f9ca74485d5a826;hp=82aea814d409731e7804d6e553330465d6ab72d9;hpb=4f02f8220562591322c118d07a32bebf705318b7;p=linux-2.6

diff --git a/kernel/resource.c b/kernel/resource.c
index 82aea814d4..74af2d7cb5 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -131,14 +131,8 @@ static const struct file_operations proc_iomem_operations = {
 
 static int __init ioresources_init(void)
 {
-	struct proc_dir_entry *entry;
-
-	entry = create_proc_entry("ioports", 0, NULL);
-	if (entry)
-		entry->proc_fops = &proc_ioports_operations;
-	entry = create_proc_entry("iomem", 0, NULL);
-	if (entry)
-		entry->proc_fops = &proc_iomem_operations;
+	proc_create("ioports", 0, NULL, &proc_ioports_operations);
+	proc_create("iomem", 0, NULL, &proc_iomem_operations);
 	return 0;
 }
 __initcall(ioresources_init);
@@ -486,6 +480,24 @@ int adjust_resource(struct resource *res, resource_size_t start, resource_size_t
 
 EXPORT_SYMBOL(adjust_resource);
 
+/**
+ * resource_alignment - calculate resource's alignment
+ * @res: resource pointer
+ *
+ * Returns alignment on success, 0 (invalid alignment) on failure.
+ */
+resource_size_t resource_alignment(struct resource *res)
+{
+	switch (res->flags & (IORESOURCE_SIZEALIGN | IORESOURCE_STARTALIGN)) {
+	case IORESOURCE_SIZEALIGN:
+		return res->end - res->start + 1;
+	case IORESOURCE_STARTALIGN:
+		return res->start;
+	default:
+		return 0;
+	}
+}
+
 /*
  * This is compatibility stuff for IO resources.
  *