Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

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

arch/sh/mm/pg-mmu.c

+3 −2
Original line number Diff line number Diff line
@@ -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)