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authorSteven Miao <realmz6@gmail.com>2012-05-17 17:38:09 +0800
committerBob Liu <lliubbo@gmail.com>2012-05-21 14:54:55 +0800
commit5a84775e999a5579e10f7297776c71b0be2ebd74 (patch)
tree0c730544b7e57c5ecc418771527677392d7ead1c /arch/blackfin
parent1d3dbda6ed0216971291a48531e7b2578ddf7642 (diff)
downloadop-kernel-dev-5a84775e999a5579e10f7297776c71b0be2ebd74.zip
op-kernel-dev-5a84775e999a5579e10f7297776c71b0be2ebd74.tar.gz
blackfin: mach-bf609: pm: cleanup bfin_deepsleep
In bfin_deepsleep(), using register instead of local variable and remove unused dpmc register read. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-bf609/pm.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/blackfin/mach-bf609/pm.c b/arch/blackfin/mach-bf609/pm.c
index 849d77e..df3b9b9 100644
--- a/arch/blackfin/mach-bf609/pm.c
+++ b/arch/blackfin/mach-bf609/pm.c
@@ -138,7 +138,6 @@ void bfin_deepsleep(unsigned long mask)
bfin_write32(DPM0_WAKE_EN, 0x10);
bfin_write32(DPM0_WAKE_POL, 0x10);
- dpm0_ctl = bfin_read32(DPM0_CTL);
dpm0_ctl = 0x00000008;
bfin_write32(DPM0_CTL, dpm0_ctl);
SSYNC();
@@ -149,13 +148,13 @@ void bfin_deepsleep(unsigned long mask)
);
#ifdef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
__asm__ __volatile__(
- "%0 = 0;"
- "CYCLES = %0;"
- "CYCLES2 = %0;"
- "%0 = SYSCFG;"
- "BITSET(%0, 1);"
- "SYSCFG = %0;"
- : "=d,a" (dpm0_ctl) :
+ "R0 = 0;"
+ "CYCLES = R0;"
+ "CYCLES2 = R0;"
+ "R0 = SYSCFG;"
+ "BITSET(R0, 1);"
+ "SYSCFG = R0;"
+ : : : "R0"
);
#endif
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