Dear alex, > Hi: > I can't power off the chip by function "mx28_powerdown", and I can't > find any error on it. So I want to know whether this issue is on your > side. The code is based on mainline imx-uboot. The system obviously won't powerdown as a usual ATX PC. It's only the chip will hang. > Best Regards, > Alex Best regards, Marek Vasut