Re: [v6,1/5] powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro
From: Michael Ellerman
Date: Tue Jan 31 2017 - 20:05:53 EST
On Wed, 2017-01-25 at 08:36:25 UTC, "Gautham R. Shenoy" wrote:
> From: "Gautham R. Shenoy" <ego@xxxxxxxxxxxxxxxxxx>
> Currently all the low-power idle states are expected to wake up
> at reset vector 0x100. Which is why the macro IDLE_STATE_ENTER_SEQ
> that puts the CPU to an idle state and never returns.
> On ISA v3.0, when the ESL and EC bits in the PSSCR are zero, the CPU
> is expected to wake up at the next instruction of the idle
> This patch adds a new macro named IDLE_STATE_ENTER_SEQ_NORET for the
> no-return variant and reuses the name IDLE_STATE_ENTER_SEQ
> for a variant that allows resuming operation at the instruction next
> to the idle-instruction.
> Acked-by: Balbir Singh <bsingharora@xxxxxxxxx>
> Signed-off-by: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx>
Series applied to powerpc next, thanks.