[PATCH] nvme-pci: Shutdown the device if D3Cold is allowed by the user
Christoph Hellwig
hch at lst.de
Mon Dec 16 08:23:03 PST 2024
On Sat, Dec 14, 2024 at 12:00:23PM +0530, Manivannan Sadhasivam wrote:
> We need a PM core API that tells the device drivers when it is safe to powerdown
> the devices. The usecase here is with PCIe based NVMe devices but the problem is
> applicable to other devices as well.
Maybe I'm misunderstanding things, but I think the important part is
to indicate when a suspend actually MUST put the device into D3. Because
doing that should always be safe, but not always optimal.
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