[PATCH RESEND] mmc: mtk-sd: disable new_tx/rx and modify related settings for mt8189
Cathy Xu
ot_cathy.xu at mediatek.com
Wed Mar 25 20:05:16 PDT 2026
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 at vger.kernel.org
Tested-by: Louis-Alexis Eyraud <louisalexis.eyraud at collabora.com>
Signed-off-by: Cathy Xu <ot_cathy.xu at mediatek.com>
---
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
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