Hi Can, On Tue, 2020-12-22 at 19:34 +0800, Can Guo wrote: > On 2020-12-22 15:29, Stanley Chu wrote: > > Flush during hibern8 is sufficient on MediaTek platforms, thus > > enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL to skip enabling > > fWriteBoosterBufferFlush during WriteBooster initialization. > > > > Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx> > > --- > > drivers/scsi/ufs/ufs-mediatek.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/scsi/ufs/ufs-mediatek.c > > b/drivers/scsi/ufs/ufs-mediatek.c > > index 80618af7c872..c55202b92a43 100644 > > --- a/drivers/scsi/ufs/ufs-mediatek.c > > +++ b/drivers/scsi/ufs/ufs-mediatek.c > > @@ -661,6 +661,7 @@ static int ufs_mtk_init(struct ufs_hba *hba) > > > > /* Enable WriteBooster */ > > hba->caps |= UFSHCD_CAP_WB_EN; > > + hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL; > > hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80); > > > > if (host->caps & UFS_MTK_CAP_DISABLE_AH8) > > I guess we need it too... AHHA, if you decide to add this in your platform too later, maybe we could change the way it does: Keep manual flush disabled by default and remove this quirk. Thanks, Stanley Chu > > Change LGTM. > > Regards, > > Can Guo.