Re: [PATCH v2 00/15] Fixes / cleanups in dw_dmac (affects on few subsystems)

Andy Shevchenko
2016-03-04T12:33:47Z

On Mon, 2016-02-22 at 18:03 +0200, Andy Shevchenko wrote:
> This patch series (v1: http://www.spinics.net/lists/dmaengine/msg0793
> 0.html)
> contains a number of mostly minor fixes and cleanups for the DW DMA
> driver. A
> couple of them affect the DT binding so these may need to be updated
> to
> maintain compatibility. The rest should be relatively straight-
> forward.
>
> Changes since v1:
> - zeroing struct dw_dma_slave before use
> - fall back to old data_width property if data-width is not found
> - append tags for few patches
> - correct title of cover letter
> - rebase on top of recent linux-next

Vinod, please, postpone this series since it reveals it doesn't pass
test on bare metal PowerPC board.

I'm working on it and hope will come soon with updated version.

>
> Andy Shevchenko (11):
>   dmaengine: dw: rename masters to reflect actual topology
>   dmaengine: dw: substitute dma_read_byaddr by dma_readl_native
>   dmaengine: dw: revisit data_width property
>   dmaengine: dw: define counter variables as unsigned int
>   dmaengine: dw: keep entire platform data in struct dw_dma
>   dmaengine: dw: pass platform data via struct dw_dma_chip
>   dmaengine: dw: platform: use field-by-field initialization
>   dmaengine: dw: move dwc->paused to dwc->flags
>   dmaengine: dw: move dwc->initialized to dwc->flags
>   dmaengine: dw: move residue to a descriptor
>   dmaengine: dw: set cdesc to NULL when free cyclic transfers
>
> Mans Rullgard (4):
>   dmaengine: dw: fix byte order of hw descriptor fields
>   dmaengine: dw: clear LLP_[SD]_EN bits in last descriptor of a chain
>   dmaengine: dw: set src and dst master select according to xfer
>     direction
>   dmaengine: dw: set LMS field in descriptors
>
>  Documentation/devicetree/bindings/dma/snps-dma.txt |   9 +-
>  arch/arc/boot/dts/abilis_tb10x.dtsi                |   2 +-
>  arch/arm/boot/dts/spear13xx.dtsi                   |   4 +-
>  arch/avr32/mach-at32ap/at32ap700x.c                |  16 +-
>  drivers/ata/sata_dwc_460ex.c                       |   6 +-
>  drivers/dma/dw/core.c                              | 299 ++++++++++-
> ----------
>  drivers/dma/dw/pci.c                               |   3 +-
>  drivers/dma/dw/platform.c                          |  40 +--
>  drivers/dma/dw/regs.h                              |  55 ++--
>  drivers/spi/spi-pxa2xx-pci.c                       |   8 +-
>  drivers/tty/serial/8250/8250_pci.c                 |   8 +-
>  include/linux/dma/dw.h                             |  14 +-
>  include/linux/platform_data/dma-dw.h               |  15 +-
>  sound/soc/intel/common/sst-firmware.c              |   2 +-
>  14 files changed, 245 insertions(+), 236 deletions(-)
>

--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy