Clearing the DTO interrupt should be unnecessary, and it would
potentially result in never receiving this interrupt again.
Do power-on or reset from uboot for a while can reproduce the issue:
dwmci_data_transfer: Timeout waiting for data!
mmc_load_image_raw_sector: mmc block read error
Tested on NanoPi R4S with SanDisk Extreme PRO 32GB.
Fixes: 8cb9d3ed3a ("mmc: dw_mmc: Fixes data read when receiving DTO interrupt
in FIFO mode")
Signed-off-by: hmz007 <[email protected]>
---
drivers/mmc/dw_mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index a949dad574..8fa26b340b 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -168,7 +168,7 @@ static int dwmci_data_transfer(struct dwmci_host *host,
struct mmc_data *data)
if (data->flags == MMC_DATA_READ &&
(mask & (DWMCI_INTMSK_RXDR | DWMCI_INTMSK_DTO))) {
dwmci_writel(host, DWMCI_RINTSTS,
- DWMCI_INTMSK_RXDR |
DWMCI_INTMSK_DTO);
+ DWMCI_INTMSK_RXDR);
while (size) {
ret = dwmci_fifo_ready(host,
DWMCI_FIFO_EMPTY,
--
2.34.1
