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[SPARC64]: Kill readjust_prom_translations()

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Testing shows that the prom_unmap() calls do absolutely
nothing.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-09-22 13:03:36 -07:00
parent 2bdb3cb265
commit 40fd3533c9
1 changed files with 0 additions and 35 deletions
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35
arch/sparc64/mm/init.c
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@ -619,39 +619,6 @@ static void remap_kernel(void)
}
}
static void readjust_prom_translations(void)
{
int nents, i;
nents = read_obp_translations();
for (i = 0; i < nents; i++) {
unsigned long vaddr = prom_trans[i].virt;
unsigned long size = prom_trans[i].size;
if (vaddr < 0xf0000000UL) {
unsigned long avoid_start = (unsigned long) KERNBASE;
unsigned long avoid_end = avoid_start + (4 * 1024 * 1024);
if (bigkernel)
avoid_end += (4 * 1024 * 1024);
if (vaddr < avoid_start) {
unsigned long top = vaddr + size;
if (top > avoid_start)
top = avoid_start;
prom_unmap(top - vaddr, vaddr);
}
if ((vaddr + size) > avoid_end) {
unsigned long bottom = vaddr;
if (bottom < avoid_end)
bottom = avoid_end;
prom_unmap((vaddr + size) - bottom, bottom);
}
}
}
}
static void inherit_prom_mappings(void)
{
int n;
@ -663,8 +630,6 @@ static void inherit_prom_mappings(void)
prom_printf("Remapping the kernel... ");
remap_kernel();
readjust_prom_translations();
prom_printf("done.\n");
register_prom_callbacks();