From: David S. Miller Date: Thu, 22 Sep 2005 20:03:36 +0000 (-0700) Subject: [SPARC64]: Kill readjust_prom_translations() X-Git-Tag: v2.6.14-rc3~100^2~9 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=40fd3533c93f0062b6d1d8540961ef70fc8ab750;p=linux-2.6-omap-h63xx.git [SPARC64]: Kill readjust_prom_translations() Testing shows that the prom_unmap() calls do absolutely nothing. Signed-off-by: David S. Miller --- diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 92d09580295..ec47de494c1 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -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();