diff options
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 3df50b53f834..118f09da8dfb 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -823,10 +823,6 @@ static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (meson_mmc_timing_is_ddr(ios)) val |= CFG_DDR; - val &= ~CFG_CHK_DS; - if (ios->timing == MMC_TIMING_MMC_HS400) - val |= CFG_CHK_DS; - err = meson_mmc_clk_set(host, ios); if (err) dev_err(host->dev, "Failed to set clock: %d\n,", err); @@ -1339,6 +1335,13 @@ static int meson_mmc_probe(struct platform_device *pdev) mmc->max_segs = SD_EMMC_DESC_BUF_LEN / sizeof(struct sd_emmc_desc); mmc->max_seg_size = mmc->max_req_size; + /* + * At the moment, we don't know how to reliably enable HS400. + * From the different datasheets, it is not even clear if this mode + * is officially supported by any of the SoCs + */ + mmc->caps2 &= ~MMC_CAP2_HS400; + /* data bounce buffer */ host->bounce_buf_size = mmc->max_req_size; host->bounce_buf = |