[PATCH] [loongson] Lemote-2F: Suspend CS5536 MFGPT Timer

[PATCH] [loongson] Lemote-2F: Suspend CS5536 MFGPT Timer

[Wu Zhangjin]

From: Wu Zhangjin <wuzhangjin@gmail.com>

Before putting loongson2f 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>
---
 arch/mips/loongson/lemote-2f/pm.c |   11 +++++++++++
 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 81c0641..d7af2e6 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();
+}
-- 
1.6.2.1

Re: [PATCH] [loongson] Lemote-2F: Suspend CS5536 MFGPT Timer

[Ralf Baechle]

On Tue, Nov 24, 2009 at 09:48:36PM +0800, Wu Zhangjin wrote:

> From: Wu Zhangjin <wuzhangjin@gmail.com>
> 
> Before putting loongson2f into wait mode, suspend the MFGPT Timer, and
> after wake-up, resume it. This may save some power.

Thanks, queued for 2.6.33.

  Ralf