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Commit 0f57e168 authored by Tomoya MORINAGA's avatar Tomoya MORINAGA Committed by Grant Likely
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spi-topcliff-pch: add recovery processing in case wait-event timeout 



Currently, pch_spi_start_transfer failure is not anticipated.
This patch adds the processing.

Signed-off-by: default avatarTomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent f258b44e

drivers/spi/spi-topcliff-pch.c

+9 −1
Original line number Diff line number Diff line
@@ -1266,8 +1266,16 @@ static void pch_spi_process_messages(struct work_struct *pwork) 
			char *save_rx_buf = data->cur_trans->rx_buf;

			for (i = 0; i < cnt; i ++) {

				pch_spi_handle_dma(data, &bpw);

				if (!pch_spi_start_transfer(data))

				if (!pch_spi_start_transfer(data)) {

					data->transfer_complete = true;

					data->current_msg->status = -EIO;

					data->current_msg->complete

						   (data->current_msg->context);

					data->bcurrent_msg_processing = false;

					data->current_msg = NULL;

					data->cur_trans = NULL;

					goto out;

				}

				pch_spi_copy_rx_data_for_dma(data, bpw);

			}

			data->cur_trans->rx_buf = save_rx_buf;