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Commit 9852910a authored by Rob Herring's avatar Rob Herring Committed by Olof Johansson
Browse files

ARM: highbank: add a power request clear 



When we fail to power down, we need to clear out the power request.

Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 0b3455a7

arch/arm/mach-highbank/sysregs.h

+15 −0
Original line number Diff line number Diff line
@@ -44,6 +44,15 @@ static inline void highbank_set_core_pwr(void) 
		writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu));

}



static inline void highbank_clear_core_pwr(void)

{

	int cpu = cpu_logical_map(smp_processor_id());

	if (scu_base_addr)

		scu_power_mode(scu_base_addr, SCU_PM_NORMAL);

	else

		writel_relaxed(0, sregs_base + SREG_CPU_PWR_CTRL(cpu));

}



static inline void highbank_set_pwr_suspend(void)

{

	writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
@@ -68,4 +77,10 @@ static inline void highbank_set_pwr_hard_reset(void) 
	highbank_set_core_pwr();

}



static inline void highbank_clear_pwr_request(void)

{

	writel(~0UL, sregs_base + HB_SREG_A9_PWR_REQ);

	highbank_clear_core_pwr();

}



#endif