[PATCH] nvme-pci: Force NVME_QUIRK_SIMPLE_SUSPEND on Qualcomm hosts

Christoph Hellwig hch at lst.de
Mon Oct 28 02:19:41 PDT 2024


On Fri, Oct 25, 2024 at 05:30:05PM +0200, Konrad Dybcio wrote:
> (Un?)fortunately, said platforms use FDT, so we can't fix that in ACPI.

Then generalize the acpi helper to a generic one checking ACPI and
DT and specify a proper DT binding.

If th requirement to put all devices into D3 is a plaform propery
a specific driver is always the wrong place for it.

> b) Adding such a property to the PCIe host node sounds a bit
>    saner, but the NVMe code isn't aware of the RC. We could add
>    something like:

Again, this all belongs into core code.  The nvme driver is just
a consumer of this information, just like for example the AHCI
driver.




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