Re: [PATCH 4/4] spi-topcliff-pch: add recovery processing in case wait-event timeout

From: Grant Likely
Date: Fri Mar 09 2012 - 22:58:53 EST


On Fri, 9 Dec 2011 13:13:29 +0900, Tomoya MORINAGA <tomoya.rohm@xxxxxxxxx> wrote:
> Currently, pch_spi_start_transfer failure is not anticipated.
> This patch adds the processing.
>
> Signed-off-by: Tomoya MORINAGA <tomoya.rohm@xxxxxxxxx>

Applied, thanks.

g.

> ---
> drivers/spi/spi-topcliff-pch.c | 10 +++++++++-
> 1 files changed, 9 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
> index 1864555..10b684c 100644
> --- a/drivers/spi/spi-topcliff-pch.c
> +++ b/drivers/spi/spi-topcliff-pch.c
> @@ -1262,8 +1262,16 @@ 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;
> --
> 1.7.4.4
>

--
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies,Ltd.
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