summaryrefslogtreecommitdiff
path: root/arch/mips/mm/c-r4k.c
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2014-05-28 19:00:14 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-05-29 15:08:23 +0200
commit2e2d663d2dd64ffe9855be0b35aa221c9b8139f2 (patch)
tree508667aa6fbab564e7875d3953671265d0176e69 /arch/mips/mm/c-r4k.c
parent5ec79bf919ddb53fd98893b7217897c839aa19cc (diff)
parent322014531e1fac4674b8eef67e4f80aca1e9f003 (diff)
Merge branch 'wip-mips-pm' of https://github.com/paulburton/linux into mips-for-linux-next
Diffstat (limited to 'arch/mips/mm/c-r4k.c')
-rw-r--r--arch/mips/mm/c-r4k.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 5c2128283ba6..587a14874f98 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -7,6 +7,7 @@
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Ralf Baechle (ralf@gnu.org)
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
+#include <linux/cpu_pm.h>
#include <linux/hardirq.h>
#include <linux/init.h>
#include <linux/highmem.h>
@@ -1643,3 +1644,26 @@ void r4k_cache_init(void)
coherency_setup();
board_cache_error_setup = r4k_cache_error_setup;
}
+
+static int r4k_cache_pm_notifier(struct notifier_block *self, unsigned long cmd,
+ void *v)
+{
+ switch (cmd) {
+ case CPU_PM_ENTER_FAILED:
+ case CPU_PM_EXIT:
+ coherency_setup();
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block r4k_cache_pm_notifier_block = {
+ .notifier_call = r4k_cache_pm_notifier,
+};
+
+int __init r4k_cache_init_pm(void)
+{
+ return cpu_pm_register_notifier(&r4k_cache_pm_notifier_block);
+}
+arch_initcall(r4k_cache_init_pm);