> There is the following quirk to bypass "WB Manual Flush" in Write Booster. > > - UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL > > If this quirk is not set, there is no knob that can control "WB Manual Flush". > > There are three flags that control Write Booster Feature. > 1. WB ON/OFF > 2. WB Hibern Flush ON/OFF > 3. WB Flush ON/OFF > > The sysfs that controls the WB was implemented. (1) > > In the case of "Hibern Flush", it is always good to turn on. > Control may not be required. (2) > > Finally, "Manual flush" may be necessary because the Auto-Hibern8 is not > supported in a specific environment. > So the sysfs that controls this is necessary. (3) > > Signed-off-by: Jinyoung Choi <j-young.choi@xxxxxxxxxxx> Reviewed-by: Avri Altman <avri.altman@xxxxxxx>
