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MIPS: Lemote 2F: Suspend CS5536 MFGPT Timer

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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>
This commit is contained in:
Wu Zhangjin 2009-11-24 21:48:36 +08:00 committed by Ralf Baechle
parent 59d4a91416
commit c47a48d83a
1 changed files with 11 additions and 0 deletions
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11
arch/mips/loongson/lemote-2f/pm.c
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@ -22,6 +22,7 @@
#include <loongson.h> #include <loongson.h>
#include <cs5536/cs5536_mfgpt.h>
#include "ec_kb3310b.h" #include "ec_kb3310b.h"
#define I8042_KBD_IRQ 1 #define I8042_KBD_IRQ 1
@ -136,3 +137,13 @@ int wakeup_loongson(void)
return 0; return 0;
} }
void __weak mach_suspend(void)
{
disable_mfgpt0_counter();
}
void __weak mach_resume(void)
{
enable_mfgpt0_counter();
}