UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

staging: gma500: kill some more #if 0 bits 

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2011-04-01 18:41:12 +01:00 committed by Greg Kroah-Hartman
parent b0e2326ca7
commit 0c6b262753
1 changed files with 0 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/staging/gma500/psb_mmu.c
View File

@ -444,67 +444,6 @@ static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt,
pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
}
#if 0
static uint32_t psb_mmu_check_pte_locked(struct psb_mmu_pd *pd,
uint32_t mmu_offset)
{
uint32_t *v;
uint32_t pfn;
v = kmap_atomic(pd->p, KM_USER0);
if (!v) {
printk(KERN_INFO "Could not kmap pde page.\n");
return 0;
}
pfn = v[psb_mmu_pd_index(mmu_offset)];
/* printk(KERN_INFO "pde is 0x%08x\n",pfn); */
kunmap_atomic(v, KM_USER0);
if (((pfn & 0x0F) != PSB_PTE_VALID)) {
printk(KERN_INFO "Strange pde at 0x%08x: 0x%08x.\n",
mmu_offset, pfn);
}
v = ioremap(pfn & 0xFFFFF000, 4096);
if (!v) {
printk(KERN_INFO "Could not kmap pte page.\n");
return 0;
}
pfn = v[psb_mmu_pt_index(mmu_offset)];
/* printk(KERN_INFO "pte is 0x%08x\n",pfn); */
iounmap(v);
if (((pfn & 0x0F) != PSB_PTE_VALID)) {
printk(KERN_INFO "Strange pte at 0x%08x: 0x%08x.\n",
mmu_offset, pfn);
}
return pfn >> PAGE_SHIFT;
}
static void psb_mmu_check_mirrored_gtt(struct psb_mmu_pd *pd,
uint32_t mmu_offset,
uint32_t gtt_pages)
{
uint32_t start;
uint32_t next;
printk(KERN_INFO "Checking mirrored gtt 0x%08x %d\n",
mmu_offset, gtt_pages);
down_read(&pd->driver->sem);
start = psb_mmu_check_pte_locked(pd, mmu_offset);
mmu_offset += PAGE_SIZE;
gtt_pages -= 1;
while (gtt_pages--) {
next = psb_mmu_check_pte_locked(pd, mmu_offset);
if (next != start + 1) {
printk(KERN_INFO
"Ptes out of order: 0x%08x, 0x%08x.\n",
start, next);
}
start = next;
mmu_offset += PAGE_SIZE;
}
up_read(&pd->driver->sem);
}
#endif
void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
uint32_t mmu_offset, uint32_t gtt_start,