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Commit 5a84775e authored by Steven Miao's avatar Steven Miao Committed by Bob Liu
Browse files

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: default avatarSteven Miao <realmz6@gmail.com>
Signed-off-by: default avatarBob Liu <lliubbo@gmail.com>
parent 1d3dbda6

arch/blackfin/mach-bf609/pm.c

+7 −8
Original line number Diff line number Diff line
@@ -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