ARM: S3C64XX: DMA core patches

The first two patches add support for SDMA to the DMA core, which the crypto engine needs to support DMA.

The third one implements behaviour that seems to be forgotten, namely stopping and flushing pending requests on freeing a DMA channel.

Maurus Cuelenaere (3):
ARM: S3C64XX: Add SDMA clocks
ARM: S3C64XX: Add SDMA support to DMA core
ARM: S3C64XX: Stop and flush requests on freeing

 arch/arm/mach-s3c64xx/clock.c |   12 +++++++++
 arch/arm/mach-s3c64xx/dma.c   |   55 ++++++++++++++++++++++++++++++++---------
 2 files changed, 55 insertions(+), 12 deletions(-)