Hi Bean Huo, >In UFS HPB Spec JESD220-3A, > >"5.8. Active and inactive information upon power cycle >... >When the device is powered off by the host, the device may restore L2P map data >upon power up or build from the host’s HPB READ command. In case device powered >up and lost HPB information, device can signal to the host through HPB Sense data, >by setting HPB Operation as ‘2’ which will inform the host that device reset HPB >information." > >Therefore, for HPB device control mode, if the UFS device is reset via the RST_N >pin, the active region information in the device will be reset. If the host side >receives this notification from the device side, it is recommended to inactivate >all active regions in the host's HPB cache. > >Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx> >Reviewed-by: Keoseong Park <keosung.park@xxxxxxxxxxx> Here is my reviewed-by tag. Reviewed-by: Daejun Park <daejun7.park@xxxxxxxxxxx> Thanks, Daejun
