RE: [EXT] Re: [PATCH v2 0/2] Abrupt Shutdown for NVMe SSD

[Shivamurthy Shastri (sshivamurthy)]

Micron Confidential

Hi,

> 
> 
> On Mon, Jul 26, 2021 at 01:22:21PM +0000, shiva.linuxworks@xxxxxxxxx wrote:
> > In the platform with a limited backup power supply, devices like NVMe
> > SSD does unsafe shutdown.
> >
> > These two patches address this issue by adding a power loss imminent
> > flag. The platform will enable the power loss imminent flag if the
> > platform's power is running on the limited backup power supply. During
> > the shutdown, the driver checks this information and pwerforms the
> > abrupt shutdown.
> 
> I think the pm framework and nvme usage are ok, but you need a platform
> specific caller to set the new power loss flag before this should be
> considered, otherwise this is just unreachable code.

Sure, I will send platform specific caller along with V3.

Thanks,
Shiva

Micron Confidential