Changeset 153cc76a in mainline for uspace/drv/bus/usb/uhci/utils/malloc32.h

Timestamp:

2011-12-23T16:42:22Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7e1b130

Parents:

4291215 (diff), 2f0dd2a (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Mainline changes.

File:

• uspace/drv/bus/usb/uhci/utils/malloc32.h (modified) (2 diffs)

uspace/drv/bus/usb/uhci/utils/malloc32.h

@@ -54 +54 @@
         if (addr == NULL)
                 return 0;
-
+        
         uintptr_t result;
         const int ret = as_get_physical_mapping(addr, &result);
         if (ret != EOK)
                 return 0;
-        return (result | ((uintptr_t)addr & 0xfff));
+        
+        return result;
 }
 /*----------------------------------------------------------------------------*/
@@ -97 +98 @@
 static inline void * get_page(void)
 {
-        void *free_address = as_get_mappable_page(UHCI_REQUIRED_PAGE_SIZE);
-        if (free_address == 0)
+        void *address = as_area_create((void *) -1, UHCI_REQUIRED_PAGE_SIZE,
+            AS_AREA_READ | AS_AREA_WRITE);
+        if (address == (void *) -1)
                 return NULL;
-        void *address = as_area_create(free_address, UHCI_REQUIRED_PAGE_SIZE,
-                  AS_AREA_READ | AS_AREA_WRITE);
-        if (address != free_address)
-                return NULL;
+        
         return address;
 }