[PATCH] mmc: mtk-sd: disable new_tx/rx and modify related settings for mt8189

[Cathy Xu (许华婷)]

On Wed, 2026-02-04 at 15:35 +0100, Ulf Hansson wrote:
> On Wed, 4 Feb 2026 at 03:09, Cathy Xu <ot_cathy.xu at mediatek.com>
> wrote:
> > 
> > Disable new_tx/rx and modify related settings helps avoid data
> > transmission instability, and better compatibility for mt8189.
> > 
> > Signed-off-by: Cathy Xu <ot_cathy.xu at mediatek.com>
> 
> Should this have a fixes/stable tag?
> 
> Kind regards
> Uffe

  Thank you for your review, I will fix it in next version.

  Thanks,
  Cathy

> 
> > ---
> >  drivers/mmc/host/mtk-sd.c | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> > 
> > diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> > index 302ac8529c4f..b2680cc054bd 100644
> > --- a/drivers/mmc/host/mtk-sd.c
> > +++ b/drivers/mmc/host/mtk-sd.c
> > @@ -682,15 +682,15 @@ static const struct mtk_mmc_compatible
> > mt8189_compat = {
> >         .needs_top_base = true,
> >         .pad_tune_reg = MSDC_PAD_TUNE0,
> >         .async_fifo = true,
> > -       .data_tune = true,
> > +       .data_tune = false,
> >         .busy_check = true,
> >         .stop_clk_fix = true,
> > -       .stop_dly_sel = 1,
> > -       .pop_en_cnt = 2,
> > +       .stop_dly_sel = 3,
> > +       .pop_en_cnt = 8,
> >         .enhance_rx = true,
> >         .support_64g = true,
> > -       .support_new_tx = true,
> > -       .support_new_rx = true,
> > +       .support_new_tx = false,
> > +       .support_new_rx = false,
> >         .support_spm_res_release = true,
> >  };
> > 
> > --
> > 2.45.2
> >