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fusee: undo a silly mistake in longer-than-8K operations
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f6f8065417
commit
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1 changed files with 6 additions and 11 deletions
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@ -1094,7 +1094,7 @@ static int sdmmc_wait_until_no_longer_busy(struct mmc *mmc)
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*
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* @param mmc The MMC controller that has suffered a full buffer.
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*/
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static int sdmmc_handle_full_dma_buffers(struct mmc *mmc)
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static int sdmmc_flush_bounce_buffer(struct mmc *mmc)
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{
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// Determine the total amount copied by subtracting the current pointer from
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// its starting address-- effectively by figuring out how far we got in the bounce buffer.
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@ -1188,7 +1188,7 @@ static int sdmmc_wait_for_command_completion(struct mmc *mmc)
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static int sdmmc_wait_for_transfer_completion(struct mmc *mmc)
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{
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return sdmmc_wait_for_interrupt(mmc, MMC_STATUS_TRANSFER_COMPLETE,
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MMC_STATUS_DMA_INTERRUPT, sdmmc_handle_full_dma_buffers);
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MMC_STATUS_DMA_INTERRUPT, sdmmc_flush_bounce_buffer);
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}
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@ -1525,9 +1525,8 @@ static int sdmmc_send_command(struct mmc *mmc, enum sdmmc_command command,
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// If this is a write and we have data, we'll need to populate the bounce buffer before
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// issuing the command.
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if (blocks_to_transfer && is_write && mmc->use_dma && data_buffer) {
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memcpy(sdmmc_bounce_buffer, data_buffer, total_data_to_xfer);
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}
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if (blocks_to_transfer && is_write && mmc->use_dma && data_buffer)
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memcpy(sdmmc_bounce_buffer, (void *)mmc->active_data_buffer, total_data_to_xfer);
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// Configure the controller to send the command.
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sdmmc_prepare_command_registers(mmc, blocks_to_transfer, command, response_type, checks);
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@ -1568,9 +1567,8 @@ static int sdmmc_send_command(struct mmc *mmc, enum sdmmc_command command,
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// If this is a read, and we've just finished a transfer, copy the data from
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// our bounce buffer to the target data buffer.
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if (!is_write && data_buffer) {
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memcpy(data_buffer, sdmmc_bounce_buffer, total_data_to_xfer);
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}
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if (!is_write && data_buffer)
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sdmmc_flush_bounce_buffer(mmc);
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}
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// Otherwise, perform the transfer using the CPU.
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else {
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@ -2001,9 +1999,6 @@ static int sdmmc_get_relative_address(struct mmc *mmc)
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{
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int rc;
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uint32_t response;
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//uint32_t timebase = get_time();
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// TODO: do we need to repeatedly retry this? other codebases do
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// Set up the card's relative address.
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rc = sdmmc_send_simple_command(mmc, CMD_GET_RELATIVE_ADDR, MMC_RESPONSE_LEN48, 0, &response);
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