+Cc: Heikki
On Wed, 2016-05-04 at 22:29 +0300, Andy Shevchenko wrote:
> There are two patches, first of which is an urgent fix to prevent a
> regression
> when UART driver can't acquire DMA channel due to DMA engine which
> doesn't
> support DMA_CYCLIC.
Have to add the following.
The commit ec5a11a91eec ("serial: 8250: Validate dmaengine rx chan meets
requirements") brought a check for DMA capabilities and UART will not
acquire a DMA channel if DMA engine doesn't support both DMA_CYCLIC
_and_ DMA_SLAVE. The first patch in the series changes the logic from
_and_ to _or_.
>
> Andy Shevchenko (2):
> dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC
> dmaengine: rename cmd_pause to cmd_suspend
>
> drivers/dma/dmaengine.c | 8 ++++----
> drivers/tty/serial/8250/8250_dma.c | 2 +-
> include/linux/dmaengine.h | 4 ++--
> sound/soc/soc-generic-dmaengine-pcm.c | 2 +-
> 4 files changed, 8 insertions(+), 8 deletions(-)
>
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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