[PATCH 3/6] mci: sdhci: rockchip: Wait for transfer complete interrupt with MMC_RSP_BUSY cmd

[Sascha Hauer <s.hauer@pengutronix.de>]

The MMC_RSP_BUSY flag indicates that we have to wait for the transfer
completion interrupt. Other SDHCI drivers do this, but the rockchip driver
missed it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/mci/rockchip-dwcmshc-sdhci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mci/rockchip-dwcmshc-sdhci.c b/drivers/mci/rockchip-dwcmshc-sdhci.c
index 398c258fb9..2605a1368f 100644
--- a/drivers/mci/rockchip-dwcmshc-sdhci.c
+++ b/drivers/mci/rockchip-dwcmshc-sdhci.c
@@ -251,7 +251,7 @@ static int rk_sdhci_send_cmd(struct mci_host *mci, struct mci_cmd *cmd)
 {
 	struct rk_sdhci_host *host = to_rk_sdhci_host(mci);
 	struct mci_data *data = cmd->data;
-	u32 command, xfer;
+	u32 mask, command, xfer;
 	int ret;
 	dma_addr_t dma;
 
@@ -261,6 +261,10 @@ static int rk_sdhci_send_cmd(struct mci_host *mci, struct mci_cmd *cmd)
 
 	sdhci_write32(&host->sdhci, SDHCI_INT_STATUS, ~0);
 
+	mask = SDHCI_INT_CMD_COMPLETE;
+	if (cmd->resp_type & MMC_RSP_BUSY)
+		mask |= SDHCI_INT_XFER_COMPLETE;
+
 	sdhci_write8(&host->sdhci, SDHCI_TIMEOUT_CONTROL, 0xe);
 
 	sdhci_setup_data_dma(&host->sdhci, data, &dma);
@@ -274,7 +278,7 @@ static int rk_sdhci_send_cmd(struct mci_host *mci, struct mci_cmd *cmd)
 	sdhci_write32(&host->sdhci, SDHCI_ARGUMENT, cmd->cmdarg);
 	sdhci_write16(&host->sdhci, SDHCI_COMMAND, command);
 
-	ret = sdhci_wait_for_done(&host->sdhci, SDHCI_INT_CMD_COMPLETE);
+	ret = sdhci_wait_for_done(&host->sdhci, mask);
 	if (ret) {
 		sdhci_teardown_data(&host->sdhci, data, dma);
 		goto error;

-- 
2.47.3