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drivers: usdhc: don't invalidate cache on non-blocking non-DMA transfer #25

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drivers: usdhc: don't invalidate cache on non-blocking non-DMA transfer #25

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8 changes: 6 additions & 2 deletions drivers/usdhc/fsl_usdhc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1851,6 +1851,8 @@ status_t USDHC_TransferScatterGatherADMANonBlocking(USDHC_Type *base,
USDHC_EnableInterruptSignal(base, kUSDHC_CommandFlag);
}

handle->enDMA = enDMA;

/* send command first */
USDHC_SendCommand(base, command);

Expand Down Expand Up @@ -1982,6 +1984,8 @@ status_t USDHC_TransferNonBlocking(USDHC_Type *base,
USDHC_EnableInterruptSignal(base, kUSDHC_CommandFlag);
}

handle->enDMA = enDMA;

/* send command first */
USDHC_SendCommand(base, command);

Expand Down Expand Up @@ -2298,7 +2302,7 @@ static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, u
transferStatus = kStatus_USDHC_TransferDataComplete;

#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
if (handle->data->dataDirection == kUSDHC_TransferDirectionReceive)
if (handle->enDMA && handle->data->dataDirection == kUSDHC_TransferDirectionReceive)
{
usdhc_scatter_gather_data_list_t *sgDataList = &handle->data->sgData;
while (sgDataList != NULL)
Expand Down Expand Up @@ -2365,7 +2369,7 @@ static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, u
transferStatus = kStatus_USDHC_TransferDataComplete;

#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
if (handle->data->rxData != NULL)
if (handle->enDMA && handle->data->rxData != NULL)
{
DCACHE_InvalidateByRange((uintptr_t)(handle->data->rxData),
(handle->data->blockSize) * (handle->data->blockCount));
Expand Down
2 changes: 2 additions & 0 deletions drivers/usdhc/fsl_usdhc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -763,6 +763,8 @@ struct _usdhc_handle

usdhc_transfer_callback_t callback; /*!< Callback function. */
void *userData; /*!< Parameter for transfer complete callback. */

bool enDMA; /*!< Transfer parameter. Was DMA used? */
};

/*! @brief USDHC transfer function. */
Expand Down