4 files changed, 4 insertions(+), 41 deletions(-)

M module-bsp/board/rt1051/bsp/eMMC/fsl_mmc.c
M module-bsp/board/rt1051/bsp/eMMC/fsl_mmc.h
M module-bsp/board/rt1051/bsp/eMMC/fsl_sdmmc_common.h
M module-platform/rt1051/src/disk_emmc.cpp

@@ 1865,11 1865,7 @@ static status_t MMC_Write(
     }
 
     /* Wait for the card's buffer to be not full to write to improve the write performance. */
-    error = MMC_PollingCardStatusBusy(card);
-    if(kStatus_Success != error)
-    {
-        return error;
-    }
+    while ((GET_SDMMCHOST_STATUS(card->host.base) & CARD_DATA0_STATUS_MASK) != CARD_DATA0_NOT_BUSY) {}
 
     /* Wait for the card write process complete */
     if (kStatus_Success != MMC_WaitWriteComplete(card)) {


@@ 2268,11 2264,7 @@ status_t MMC_EraseGroups(mmc_card_t *card, uint32_t startGroup, uint32_t endGrou
     }
 
     /* Wait for the card's buffer to be not full to write to improve the write performance. */
-    status_t error = MMC_PollingCardStatusBusy(card);
-    if(kStatus_Success != error)
-    {
-        return error;
-    }
+    while ((GET_SDMMCHOST_STATUS(card->host.base) & CARD_DATA0_STATUS_MASK) != CARD_DATA0_NOT_BUSY) {}
 
     if (kStatus_Success != MMC_WaitWriteComplete(card)) {
         return kStatus_SDMMC_WaitWriteCompleteFailed;


@@ 2639,18 2631,3 @@ status_t MMC_StopBoot(mmc_card_t *card, uint32_t bootMode)
 
     return kStatus_Success;
 }
-
-status_t MMC_PollingCardStatusBusy(mmc_card_t *card)
-{
-    int retries = 0;
-    const int maxRetries = 10000;
-    do {
-        if ((GET_SDMMCHOST_STATUS(card->host.base) & CARD_DATA0_STATUS_MASK) == CARD_DATA0_NOT_BUSY) {
-            return kStatus_Success;
-        }
-        // yeld 
-        SDMMCHOST_Delay(0);
-    } while (retries++ < maxRetries);
-    
-    return kStatus_SDMMC_PollingCardIdleFailed;
-}

@@ 356,18 356,6 @@ extern "C"
      */
     status_t MMC_SetMaxEraseUnitSize(mmc_card_t *card);
 
-    /*!
-     * @brief Polling card idle status.
-     *
-     * This function can be used to poll the status from busy to idle.
-     *
-     * @param card Card descriptor.
-     *
-     * @retval kStatus_SDMMC_TransferFailed Command tranfer failed.
-     * @retval kStatus_Success Operate successfully.
-     */
-    status_t MMC_PollingCardStatusBusy(mmc_card_t *card);
-
 /* @} */
 #if defined(__cplusplus)
 }

@@ 124,7 124,6 @@ enum _sdmmc_status
     kStatus_SDMMC_CardDetectFailed         = MAKE_STATUS(kStatusGroup_SDMMC, 39U), /*!<  card detect failed */
     kStatus_SDMMC_PartitioningFailed       = MAKE_STATUS(kStatusGroup_SDMMC, 40U), /*!<  Partitioning failed */
     kStatus_SDMMC_PartitioningNotSupported = MAKE_STATUS(kStatusGroup_SDMMC, 41U), /*!<  Partitioning not supported */
-    kStatus_SDMMC_PollingCardIdleFailed    = MAKE_STATUS(kStatusGroup_SDMMC, 42U), /*!< polling card idle status failed */
 };
 
 /*! @brief card operation voltage */

@@ 105,9 105,8 @@ namespace purefs::blkdev
             return statusBlkDevFail;
         }
         // Wait for the card's buffer to become empty
-        auto error = MMC_PollingCardStatusBusy(mmcCard.get());
-        if (kStatus_Success != error) {
-            return error;
+        while ((GET_SDMMCHOST_STATUS(mmcCard->host.base) & CARD_DATA0_STATUS_MASK) != CARD_DATA0_NOT_BUSY) {
+            taskYIELD();
         }
         if (pmState == pm_state::suspend) {
             driverUSDHC->Enable();