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FROMLIST: pci: quirks: Advertise D3cold capability for UPD720201#1045

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FROMLIST: pci: quirks: Advertise D3cold capability for UPD720201#1045
sushrut-trivedi wants to merge 1 commit intoqualcomm-linux:tech/bus/pci/allfrom
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@sushrut-trivedi sushrut-trivedi commented Apr 30, 2026

PCIe-to-USB bridge UPD720201 does not advertise D3cold support until firmware is loaded post pci enumeration. This results in upd blocking D3cold entry during system suspend and causing overall failure to enter XO
shutdown.

Hence, add a quirk to advertise D3cold PME capability since the HW actually supports and advertises it post firmware loading.

Link: https://lore.kernel.org/all/20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com/

CRs-Fixed: 4495614

@sushrut-trivedi sushrut-trivedi changed the title pci: quirks: Advertise D3cold capability for UPD720201 FROMLIST: pci: quirks: Advertise D3cold capability for UPD720201 Apr 30, 2026
@qcomlnxci qcomlnxci requested review from a team and krishnachaitanya-linux and removed request for a team April 30, 2026 05:29
PCIe-to-USB bridge UPD720201 does not advertise D3cold
support until firmware is loaded post pci enumeration.
This results in upd blocking D3cold entry during system
suspend and causing overall failure to enter XO
shutdown.

Hence, add a quirk to advertise D3cold PME capability
since the HW actually supports and advertises it post
firmware loading.

Link: https://lore.kernel.org/all/20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com/
Signed-off-by: Sushrut Shree Trivedi <sushrut.trivedi@oss.qualcomm.com>
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