[v9] powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform

Michael Ellerman mpe at ellerman.id.au
Thu Jul 16 19:54:57 AEST 2015

On Wed, 2015-08-07 at 11:06:01 UTC, Vipin K Parashar wrote:
> This patch adds support for OPAL EPOW (Environmental and Power Warnings)
> and DPO (Delayed Power Off) events for the PowerNV platform. These events
> are generated on FSP (Flexible Service Processor) based systems. EPOW
> events are generated due to various critical system conditions that
> require system shutdown. A few examples of these conditions are high
> ambient temperature or system running on UPS power with low UPS battery.
> DPO event is generated in response to admin initiated system shutdown
> request. Upon receipt of EPOW and DPO events the host kernel invokes
> orderly_poweroff() for performing graceful system shutdown.
> Signed-off-by: Vipin K Parashar <vipin at linux.vnet.ibm.com>
> Acked-by: Vaibhav Jain <vaibhav at linux.vnet.ibm.com>

Applied to powerpc next, thanks.



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