[PATCH V3 0/7] dmaengine/dw_dmac updates

Viresh Kumar viresh.kumar at st.com
Wed Apr 27 05:36:50 EDT 2011

This patchset fixes few issues and extends its support.

Changes in V3:
 - lflags is removed from dw_dma_chan and local flag variables are created.
 - An extra argument is added to routines calling dwc_descriptor_complete()
   directly or indirectly
 - spin_lock() in tasklet is also changed to irqsave variants.

Changes in V2:
 - lflags added in dw_dma_chan instead of dw_dma
 - Patch from Linus Walleij added for pause and resume functionality.

Linus Walleij (1):
  dmaengine/dw_dmac: implement pause and resume in dwc_control

Viresh Kumar (6):
  dmaengine/dw_dmac: call dwc_descriptor_complete from dwc_control with
    lock held
  dmaengine/dw_dmac: Replace spin_lock* with irqsave variants
  dmaengine/dw_dmac: don't call callback routine in case
    dmaengine_terminate_all() is called
  dmaengine/dw_dmac: Enable resubmission from callback routine.
  dmaengine/dw_dmac: set residue as total len in dwc_tx_status if
    status is !DMA_SUCCESS
  dmaengine/dw_dmac: Divide one sg to many desc, if sg len is greater
    than DWC_MAX_COUNT

 drivers/dma/dw_dmac.c      |  260 ++++++++++++++++++++++++++++----------------
 drivers/dma/dw_dmac_regs.h |    1 +
 2 files changed, 165 insertions(+), 96 deletions(-)


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