| Message ID | 1463739001-25905-1-git-send-email-yangbo.lu@nxp.com |
|---|---|
| State | Superseded |
| Delegated to: | York Sun |
| Headers | show
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diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 3acf9e8..b06dd69 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -126,8 +126,16 @@ static uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data) xfertyp |= XFERTYP_CICEN; if (cmd->resp_type & MMC_RSP_136) xfertyp |= XFERTYP_RSPTYP_136; - else if (cmd->resp_type & MMC_RSP_BUSY) - xfertyp |= XFERTYP_RSPTYP_48_BUSY; + /* + * For CMD with busy response, the eSDHC driver would poll DAT0 + * until CMD completion rather than polling IRQSTAT. So, don't + * set XFERTYP_RSPTYP_48_BUSY to avoid interrupts (DTOE or TC) + * in IRQSTAT. + * + * Remove: + * else if (cmd->resp_type & MMC_RSP_BUSY) + * xfertyp |= XFERTYP_RSPTYP_48_BUSY; + */ else if (cmd->resp_type & MMC_RSP_PRESENT) xfertyp |= XFERTYP_RSPTYP_48;
For CMD with busy response, the eSDHC driver would poll DAT0 until CMD completion rather than polling IRQSTAT. So, don't set XFERTYP_RSPTYP_48_BUSY to avoid interrupts (DTOE or TC) in IRQSTAT. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- drivers/mmc/fsl_esdhc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)