On Thu, 2014-10-23 at 14:37 +0800, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> The patch below does not apply to the 3.17-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@xxxxxxxxxxxxxxx>.
>
> thanks,
Oops, sorry, it requires the commit
fb57862ead652454ceeb659617404c5f13bc34b5 to be applied first.
>
> greg k-h
>
> ------------------ original commit in Linus's tree ------------------
>
> From 8e45ef682cb31fda62ed4eeede5d9745a0a1b1e2 Mon Sep 17 00:00:00 2001
> From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Date: Thu, 18 Sep 2014 20:08:53 +0300
> Subject: [PATCH] spi: dw-mid: terminate ongoing transfers at exit
>
> Do full clean up at exit, means terminate all ongoing DMA transfers.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
>
> diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
> index f7f0ad285ae6..ecae30fe28af 100644
> --- a/drivers/spi/spi-dw-mid.c
> +++ b/drivers/spi/spi-dw-mid.c
> @@ -89,7 +89,11 @@ static void mid_spi_dma_exit(struct dw_spi *dws)
> {
> if (!dws->dma_inited)
> return;
> +
> + dmaengine_terminate_all(dws->txchan);
> dma_release_channel(dws->txchan);
> +
> + dmaengine_terminate_all(dws->rxchan);
> dma_release_channel(dws->rxchan);
> }
>
>
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy
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