> On 13/10/2021 13:46, Avri Altman wrote: > >> Hi > >> > >> This patch ensures suspend-to-disk works with Host Performance Booster. > > What is "suspend-to-disk"? > > Hibernation, refer kernel config CONFIG_HIBERNATION i.e. > > echo disk > /sys/power/state > > > What power mode is used for that? > > Same as spm_lvl except ufshcd_wl_poweroff() naturally uses the same as > shutdown i.e. POWERDOWN If spm_lvl is SSU3 - the device maintains its RAM. On SSU4 however, the RAM is powered down. > > > > > Thanks, > > Avri > > > >> Since the Host Perfomance Booster feature was added in v5.15, please > >> consider this for v5.15 fixes. > >> > >> > >> Adrian Hunter (1): > >> scsi: ufs-pci: Force a full restore after suspend-to-disk > >> > >> drivers/scsi/ufs/ufshcd-pci.c | 31 ++++++++++++++++--------------- > >> 1 file changed, 16 insertions(+), 15 deletions(-) > >> > >> > >> Regards > >> Adrian
