Commit 8edcfcbb authored by Paul Mundt's avatar Paul Mundt

sh: Bail from kmap_coherent_init() if we have no dcache aliases.

This kills off the ifdef from kmap_coherent_init() and just bails if
there are no cache aliases. This permits the kmap coherent code to be
used on other CPUs.
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent d2dcd910
......@@ -22,13 +22,14 @@ static pte_t *kmap_coherent_pte;
void __init kmap_coherent_init(void)
{
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
unsigned long vaddr;
if (!boot_cpu_data.dcache.n_aliases)
return;
/* cache the first coherent kmap pte */
vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
#endif
}
static void *kmap_coherent(struct page *page, unsigned long addr)
......
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