[MIPS] Handle aliases in vmalloc correctly.
flush_cache_vmap / flush_cache_vunmap were calling flush_cache_all which -
having been deprecated - turned into a nop ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index b09d569..a9f7f1f 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -122,6 +122,16 @@
local_irq_restore(flags);
}
+static void tx39__flush_cache_vmap(void)
+{
+ tx39_blast_dcache();
+}
+
+static void tx39__flush_cache_vunmap(void)
+{
+ tx39_blast_dcache();
+}
+
static inline void tx39_flush_cache_all(void)
{
if (!cpu_has_dc_aliases)
@@ -344,6 +354,8 @@
switch (current_cpu_type()) {
case CPU_TX3912:
/* TX39/H core (writethru direct-map cache) */
+ __flush_cache_vmap = tx39__flush_cache_vmap;
+ __flush_cache_vunmap = tx39__flush_cache_vunmap;
flush_cache_all = tx39h_flush_icache_all;
__flush_cache_all = tx39h_flush_icache_all;
flush_cache_mm = (void *) tx39h_flush_icache_all;
@@ -369,6 +381,9 @@
write_c0_wired(0); /* set 8 on reset... */
/* board-dependent init code may set WBON */
+ __flush_cache_vmap = tx39__flush_cache_vmap;
+ __flush_cache_vunmap = tx39__flush_cache_vunmap;
+
flush_cache_all = tx39_flush_cache_all;
__flush_cache_all = tx39___flush_cache_all;
flush_cache_mm = tx39_flush_cache_mm;