Re: [PATCH v4 2/4] PCI: layerscape: Add suspend/resume for ls1021a

2023-11-30 Thread Manivannan Sadhasivam
On Wed, Nov 29, 2023 at 04:44:10PM -0500, Frank Li wrote: > ls1021a add suspend/resume support. > "Add suspend/resume support for Layerscape LS1021a" > In the suspend path, PME_Turn_Off message is sent to the endpoint to > transition the link to L2/L3_Ready state. In this SoC, there is no way

[PATCH v4 2/4] PCI: layerscape: Add suspend/resume for ls1021a

2023-11-29 Thread Frank Li
ls1021a add suspend/resume support. In the suspend path, PME_Turn_Off message is sent to the endpoint to transition the link to L2/L3_Ready state. In this SoC, there is no way to check if the controller has received the PME_To_Ack from the endpoint or not. So to be on the safer side, the driver