On 8/25/24 11:16 PM, Peter Wang (王信友) wrote:
In this case, I suggest use a vendor hooks ufshcd_vops_hibern8_notify. When hibernate enter pre-change, disable UIC_COMMAND_COMPL interrupt to prevent enable UIC_COMMAND_COMPL after hibernate enter. When hibernate exit post-change, enable UIC_COMMAND_COMPL interrupt. If it works, it won't modify the native kernel code, nor will it require adding a quirk. It would simply use a vendor hook as a workaround, without violating GKI, right?
Hmm ... does this mean introducing a new vendor hook without introducing any host driver code that implements that hook? I don't think this is allowed. How about introducing a quirk that selects the current behavior if set (disable UIC completion interrupt around hibernation) and not touching the UIC completion interrupt if that quirk is not set? Thanks, Bart.
