sem2mutex: drivers/char/drm/

[safe/jmp/linux-2.6] / drivers / char / drm / drmP.h

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 307254d..71b8b32 100644 (file)
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -57,6 +57,7 @@
 #include <linux/smp_lock.h>    /* For (un)lock_kernel */
 #include <linux/mm.h>
 #include <linux/cdev.h>
+#include <linux/mutex.h>
 #if defined(__alpha__) || defined(__powerpc__)
 #include <asm/pgtable.h>       /* For pte_wrprotect */
 #endif
@@ -623,7 +624,7 @@ typedef struct drm_device {
        /** \name Locks */
        /*@{ */
        spinlock_t count_lock;          /**< For inuse, drm_device::open_count, drm_device::buf_use */
-       struct semaphore struct_sem;    /**< For others */
+       struct mutex struct_mutex;      /**< For others */
        /*@} */
 
        /** \name Usage Counters */
@@ -658,7 +659,7 @@ typedef struct drm_device {
        /*@{ */
        drm_ctx_list_t *ctxlist;        /**< Linked list of context handles */
        int ctx_count;                  /**< Number of context handles */
-       struct semaphore ctxlist_sem;   /**< For ctxlist */
+       struct mutex ctxlist_mutex;     /**< For ctxlist */
 
        drm_map_t **context_sareas;         /**< per-context SAREA's */
        int max_context;
@@ -767,6 +768,20 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
 
 #else
 #define drm_core_has_MTRR(dev) (0)
+
+#define DRM_MTRR_WC            0
+
+static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
+                              unsigned int flags)
+{
+       return 0;
+}
+
+static inline int drm_mtrr_del(int handle, unsigned long offset,
+                              unsigned long size, unsigned int flags)
+{
+       return 0;
+}
 #endif
 
 /******************************************************************/