diff options
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 280d96dbc2d..8e716f74491 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -611,6 +611,17 @@ int renesas_sdhi_execute_tuning(struct udevice *dev, uint opcode) priv->smpcmp |= BIT(i); mdelay(1); + + /* + * eMMC specification specifies that CMD12 can be used to stop a tuning + * command, but SD specification does not, so do nothing unless it is + * eMMC. + */ + if (ret && (opcode == MMC_CMD_SEND_TUNING_BLOCK_HS200)) { + ret = mmc_send_stop_transmission(mmc, false); + if (ret < 0) + dev_dbg(dev, "Tuning abort fail (%d)\n", ret); + } } ret = renesas_sdhi_select_tuning(priv, taps); |