Resolved! STM32MP153 freezes at suspend when DMA buffers are allocated with stm32_rpmsg_sdb
Hi all, I work on a STM32MP153 device and I used the command echo mem > /sys/power/state to put CPU A7 in Cstop mode, but I still have MCU running. Before to enter suspend mode I have shared some memory buffers with MCU M4 with virtio RPMSG (as re...