On Tue, Sep 23, 2014 at 05:18:09PM +0300, Andy Shevchenko wrote:
> There are couple of users currently that have a private DMA IP attached to the
> main device, namely ADSP and serial. They would like to do a DMA for
> operations. Thus, we share dw_dma_probe() and dw_dma_remove().
>
> The DMA controller is enabled automatically whenever first user aquires a
> channel, and disabled when the last one release a channel.
>
> Patchseries was tested on Bay Trail with ADSP hardware by Liam (Cc'ed).
Applied, thanks
--
~Vinod
>
> Andy Shevchenko (6):
> dmaengine: dw: move private definitions to regs.h
> dmaengine: dw: split dma-dw.h to platform and private parts
> dmaengine: dw: introduce dw_dma_on() helper
> dmaengine: dw: always export dw_dma_{en,dis}able
> dmaengine: dw: enable and disable controller when needed
> dmaengine: dw: export probe()/remove() and Co to users
>
> drivers/dma/dw/core.c | 77 +++++++++++++++++++-----------------
> drivers/dma/dw/internal.h | 39 +++---------------
> drivers/dma/dw/pci.c | 4 +-
> drivers/dma/dw/platform.c | 8 ++--
> drivers/dma/dw/regs.h | 33 ++++++++++++++--
> include/linux/dma/dw.h | 64 ++++++++++++++++++++++++++++++
> include/linux/platform_data/dma-dw.h | 58 ++-------------------------
> sound/atmel/abdac.c | 4 +-
> sound/atmel/ac97c.c | 1 +
> 9 files changed, 154 insertions(+), 134 deletions(-)
> create mode 100644 include/linux/dma/dw.h
>
> --
> 2.1.0
>
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