Re:Re: [PATCH] [v2,1/1] This aims to support Foxconn SDX55

At 2021-08-11 18:58:09, "Sergei Shtylyov" [off-list ref] wrote:

Hello!

On 11.08.2021 11:56, Slark Xiao wrote:

quoted

Foxconn SDX55 T77W175 device is working in PCIe mode normally.
You can find it in drivers/bus/mhi/pci_geneirc.c file.

   pci_generic? :-)

quoted

But in some scenario, we need to capture the memory dump once it crashed.
So a diag port driver is needed.

Signed-off-by: Slark Xiao <redacted>

[...]

MBR, Sergei

Hi Sergei,
   Yes, I didn't mix them up. Our product supports 3 modes: PCIE only, USB only, and PCIE+USB.
   Normally, it would be PCIE mode. When we want to reproduce some crash issue, we will switch it from PCIE mode to PCIE+USB mode.
  In this scenario, the USB port is used for capturing memory dump as our tool is designed based on Qualcomm USB Sahara protocol.

Thanks.