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authorWu Zhangjin <wuzhangjin@gmail.com>2009-11-24 14:48:36 +0100
committerRalf Baechle <ralf@linux-mips.org>2009-12-17 02:57:33 +0100
commitc47a48d83a7a82c86ff3e74bdcabeee8f6e6b730 (patch)
treefeae9101c62c105a1afe9b5826b1921bb50d581b /arch/mips
parentMIPS: Excite: move iodev_remove to .devexit.text (diff)
downloadlinux-c47a48d83a7a82c86ff3e74bdcabeee8f6e6b730.tar.xz
linux-c47a48d83a7a82c86ff3e74bdcabeee8f6e6b730.zip
MIPS: Lemote 2F: Suspend CS5536 MFGPT Timer
Before putting the Loongson 2F into wait mode, suspend the MFGPT Timer and after wake-up resume it. This may save some power. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/706/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/loongson/lemote-2f/pm.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c
index 81c06410aa76..d7af2e616592 100644
--- a/arch/mips/loongson/lemote-2f/pm.c
+++ b/arch/mips/loongson/lemote-2f/pm.c
@@ -22,6 +22,7 @@
#include <loongson.h>
+#include <cs5536/cs5536_mfgpt.h>
#include "ec_kb3310b.h"
#define I8042_KBD_IRQ 1
@@ -136,3 +137,13 @@ int wakeup_loongson(void)
return 0;
}
+
+void __weak mach_suspend(void)
+{
+ disable_mfgpt0_counter();
+}
+
+void __weak mach_resume(void)
+{
+ enable_mfgpt0_counter();
+}