aboutsummaryrefslogtreecommitdiff
path: root/drivers/mmc/fsl_esdhc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/fsl_esdhc.c')
-rw-r--r--drivers/mmc/fsl_esdhc.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 1ccc576c347..ea5f4bf6c0e 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -105,12 +105,9 @@ static uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
else if (cmd->resp_type & MMC_RSP_PRESENT)
xfertyp |= XFERTYP_RSPTYP_48;
-#if defined(CONFIG_MX53) || defined(CONFIG_PPC_T4240) || \
- defined(CONFIG_LS102XA) || defined(CONFIG_FSL_LAYERSCAPE) || \
- defined(CONFIG_PPC_T4160)
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
xfertyp |= XFERTYP_CMDTYP_ABORT;
-#endif
+
return XFERTYP_CMD(cmd->cmdidx) | xfertyp;
}
@@ -252,8 +249,15 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
* Rounding up to next power of 2
* => timeout + 13 = log2(mmc->clock/4) + 1
* => timeout + 13 = fls(mmc->clock/4)
+ *
+ * However, the MMC spec "It is strongly recommended for hosts to
+ * implement more than 500ms timeout value even if the card
+ * indicates the 250ms maximum busy length." Even the previous
+ * value of 300ms is known to be insufficient for some cards.
+ * So, we use
+ * => timeout + 13 = fls(mmc->clock/2)
*/
- timeout = fls(mmc->clock/4);
+ timeout = fls(mmc->clock/2);
timeout -= 13;
if (timeout > 14)