[PATCH V3 0/7] dmaengine/dw_dmac updates

From: Viresh Kumar
Date: Wed Apr 27 2011 - 05:37:20 EST


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(-)

--
1.7.3.4

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