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Thu, 26 Mar 2026 05:34:53 -0700 (PDT) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20260326030759.8107-1-ot_cathy.xu@mediatek.com> In-Reply-To: <20260326030759.8107-1-ot_cathy.xu@mediatek.com> From: Ulf Hansson Date: Thu, 26 Mar 2026 13:34:16 +0100 X-Gm-Features: AQROBzAUMJTYzzyeSawXUe9OdLfBc-C70N5GR1BByMjzhb7eLn_1dlJggBGZnww Message-ID: Subject: Re: [PATCH RESEND] mmc: mtk-sd: disable new_tx/rx and modify related settings for mt8189 To: Cathy Xu Cc: Chaotian Jing , Matthias Brugger , AngeloGioacchino Del Regno , Louis-Alexis Eyraud , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Mengqi Zhang , Wenbin Mei , Andy-ld Lu , Axe Yang , Yong Mao , stable@vger.kernel.org Content-Type: text/plain; charset="UTF-8" On Thu, 26 Mar 2026 at 04:08, Cathy Xu wrote: > > Disable new_tx/rx to avoid data transmission instability, and adjust > .data_tune, .stop_dly_sel, and .pop_en_cnt to fit the overall > configuration after disabling new_tx/rx, making it more compatible > with mt8189. > > Fixes: 846a3a2fdff5 ("mmc: mtk-sd: add support for MT8189 SoC") > Cc: stable@vger.kernel.org > Tested-by: Louis-Alexis Eyraud > Signed-off-by: Cathy Xu Applied for fixes and by dropping the stable-tag as it's superfluous in this case. Thanks! Kind regards Uffe > --- > 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 >