X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fresource.c;h=74af2d7cb5a135ffa1da4c52ce9af026c527044d;hb=535e49f48e2fc95a6de8efb366ca8af35d424642;hp=2eb553d9b517153d8d938b34d60718b948b6bac0;hpb=058250a0d5886b4d96a195ecc7e3a75e2df5e4b1;p=pandora-kernel.git diff --git a/kernel/resource.c b/kernel/resource.c index 2eb553d9b517..74af2d7cb5a1 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); @@ -228,7 +222,7 @@ int release_resource(struct resource *old) EXPORT_SYMBOL(release_resource); -#ifdef CONFIG_MEMORY_HOTPLUG +#if defined(CONFIG_MEMORY_HOTPLUG) && !defined(CONFIG_ARCH_HAS_WALK_MEMORY) /* * Finds the lowest memory reosurce exists within [res->start.res->end) * the caller must specify res->start, res->end, res->flags. @@ -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. *