Merge remote-tracking branch 'tip/auto-latest'

[karo-tx-linux.git] / kernel / memremap.c

diff --git a/kernel/memremap.c b/kernel/memremap.c
index 57cb5f98fbd6be21c941729831072ed87cad8542..f80167d6a66d00e1151462df65886965ec4cb357 100644 (file)
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -47,7 +47,7 @@ static void *try_ram_remap(resource_size_t offset, size_t size)
  * being mapped does not have i/o side effects and the __iomem
  * annotation is not applicable.
  *
- * MEMREMAP_WB - matches the default mapping for "System RAM" on
+ * MEMREMAP_WB - matches the default mapping for System RAM on
  * the architecture.  This is usually a read-allocate write-back cache.
  * Morever, if MEMREMAP_WB is specified and the requested remap region is RAM
  * memremap() will bypass establishing a new mapping and instead return
@@ -56,11 +56,12 @@ static void *try_ram_remap(resource_size_t offset, size_t size)
  * MEMREMAP_WT - establish a mapping whereby writes either bypass the
  * cache or are written through to memory and never exist in a
  * cache-dirty state with respect to program visibility.  Attempts to
- * map "System RAM" with this mapping type will fail.
+ * map System RAM with this mapping type will fail.
  */
 void *memremap(resource_size_t offset, size_t size, unsigned long flags)
 {
-       int is_ram = region_intersects(offset, size, "System RAM");
+       int is_ram = region_intersects(offset, size,
+                                      IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE);
        void *addr = NULL;
 
        if (is_ram == REGION_MIXED) {
@@ -76,7 +77,7 @@ void *memremap(resource_size_t offset, size_t size, unsigned long flags)
                 * MEMREMAP_WB is special in that it can be satisifed
                 * from the direct map.  Some archs depend on the
                 * capability of memremap() to autodetect cases where
-                * the requested range is potentially in "System RAM"
+                * the requested range is potentially in System RAM.
                 */
                if (is_ram == REGION_INTERSECTS)
                        addr = try_ram_remap(offset, size);
@@ -88,7 +89,7 @@ void *memremap(resource_size_t offset, size_t size, unsigned long flags)
         * If we don't have a mapping yet and more request flags are
         * pending then we will be attempting to establish a new virtual
         * address mapping.  Enforce that this mapping is not aliasing
-        * "System RAM"
+        * System RAM.
         */
        if (!addr && is_ram == REGION_INTERSECTS && flags) {
                WARN_ONCE(1, "memremap attempted on ram %pa size: %#lx\n",
@@ -270,7 +271,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
                struct percpu_ref *ref, struct vmem_altmap *altmap)
 {
        int is_ram = region_intersects(res->start, resource_size(res),
-                       "System RAM");
+                                      IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE);
        resource_size_t key, align_start, align_size, align_end;
        struct dev_pagemap *pgmap;
        struct page_map *page_map;