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

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Date:	Fri, 09 Mar 2012 20:58:50 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Tomoya MORINAGA <tomoya.rohm@...il.com>,
	spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Cc:	qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com, Wolfram Sang <w.sang@...gutronix.de>,
	Tomoya MORINAGA <tomoya.rohm@...il.com>
Subject: Re: [PATCH 4/4] spi-topcliff-pch: add recovery processing in case wait-event timeout

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

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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