On Mon, 2024-08-19 at 00:24 +0200, Mary Guillemard wrote: > > External email : Please do not click links or open attachments until > you have verified the sender or the content. > MT8183 supports UFSHCI 2.1 spec, but report a bogus value of 1 in > the > reserved part for the Legacy Single Doorbell Support (LSDBS) > capability. > > This set UFSHCD_QUIRK_BROKEN_LSDBS_CAP when MCQ support is explicitly > disabled, allowing the device to be properly registered. > > Signed-off-by: Mary Guillemard <mary@xxxxxxxxx> > --- > drivers/ufs/host/ufs-mediatek.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs- > mediatek.c > index 02c9064284e1..9a5919434c4e 100644 > --- a/drivers/ufs/host/ufs-mediatek.c > +++ b/drivers/ufs/host/ufs-mediatek.c > @@ -1026,6 +1026,9 @@ static int ufs_mtk_init(struct ufs_hba *hba) > if (host->caps & UFS_MTK_CAP_DISABLE_AH8) > hba->caps |= UFSHCD_CAP_HIBERN8_WITH_CLK_GATING; > > + if (host->caps & UFS_MTK_CAP_DISABLE_MCQ) > + hba->quirks |= UFSHCD_QUIRK_BROKEN_LSDBS_CAP; > + > ufs_mtk_init_clocks(hba); > > /* > -- > 2.46.0 Reviewed-by: Peter Wang <peter.wang@xxxxxxxxxxxx>
