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wrapper for ioremap_nocache() like for ioremap() (Paul Mundt)

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This commit is contained in:
Michel Daenzer 2002-02-02 17:03:51 +00:00
parent 44aa4d6297
commit 65d25572de
4 changed files with 54 additions and 0 deletions
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4
linux-core/drmP.h
View file

@ -180,6 +180,9 @@
#define DRM_IOREMAP(map) \
(map)->handle = DRM(ioremap)( (map)->offset, (map)->size )
#define DRM_IOREMAP_NOCACHE(map) \
(map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size)
#define DRM_IOREMAPFREE(map) \
do { \
if ( (map)->handle && (map)->size ) \
@ -622,6 +625,7 @@ extern unsigned long DRM(alloc_pages)(int order, int area);
extern void DRM(free_pages)(unsigned long address, int order,
int area);
extern void *DRM(ioremap)(unsigned long offset, unsigned long size);
extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size);
extern void DRM(ioremapfree)(void *pt, unsigned long size);
#if __REALLY_HAVE_AGP

23
linux-core/drm_memory.h
View file

@ -314,6 +314,29 @@ void *DRM(ioremap)(unsigned long offset, unsigned long size)
return pt;
}
void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Mapping 0 bytes at 0x%08lx\n", offset);
return NULL;
}
if (!(pt = ioremap_nocache(offset, size))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void DRM(ioremapfree)(void *pt, unsigned long size)
{
int alloc_count;

4
linux/drmP.h
View file

@ -180,6 +180,9 @@
#define DRM_IOREMAP(map) \
(map)->handle = DRM(ioremap)( (map)->offset, (map)->size )
#define DRM_IOREMAP_NOCACHE(map) \
(map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size)
#define DRM_IOREMAPFREE(map) \
do { \
if ( (map)->handle && (map)->size ) \
@ -622,6 +625,7 @@ extern unsigned long DRM(alloc_pages)(int order, int area);
extern void DRM(free_pages)(unsigned long address, int order,
int area);
extern void *DRM(ioremap)(unsigned long offset, unsigned long size);
extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size);
extern void DRM(ioremapfree)(void *pt, unsigned long size);
#if __REALLY_HAVE_AGP

23
linux/drm_memory.h
View file

@ -314,6 +314,29 @@ void *DRM(ioremap)(unsigned long offset, unsigned long size)
return pt;
}
void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Mapping 0 bytes at 0x%08lx\n", offset);
return NULL;
}
if (!(pt = ioremap_nocache(offset, size))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void DRM(ioremapfree)(void *pt, unsigned long size)
{
int alloc_count;