On Thu, Jul 14, 2016 at 02:56:46PM -0700, Dave Jiang wrote: > The following series implements a way for DMA drivers to report the result > of a transaction via callback in order to notify the upper layer. Thanks > Lars for providing guidance. > > I added usage of the new mechanism in the ioatdma driver and also updated > the NTB code that uses this mechanism to receive the error. Jon, I assume > you'll let Vinod push the two NTB patches since it's part of the series. > > For all driver owners please test. I was not able to build any of the DMA > drivers that are not IA architecture. Ah :( Since Fenguang bot hasn't complained till now, I think it might be okay. I will try pushed this to test branch and see if bot complains, or try compiling some stuff > > --- > > Dave Jiang (40): > dmaengine: Add helper function to prep for error reporting > dmaengine: at_hdmac: convert callback to helper function > dmaengine: at_xdmac: convert callback to helper function > dmaengine: coh901318: convert callback to helper function > dmaengine: cppi41: convert callback to helper function > dmaengine: dw: convert callback to helper function > dmaengine: ep93xx_dma: convert callback to helper function > dmaengine: fsl_raid: convert callback to helper function > dmaengine: fsldma: convert callback to helper function > dmaengine: imx-dma: convert callback to helper function > dmaengine: imx-sdma: convert callback to helper function > dmaengine: ioatdma: convert callback to helper function > dmaengine: iop-adma: convert callback to helper function > dmaengine: ipu: convert callback to helper function > dmaengine: mic_x100_dma: convert callback to helper function > dmaengine: mmp_pdma: convert callback to helper function > dmaengine: mmp_tdma: convert callback to helper function > dmaengine: mpc512x_dma: convert callback to helper function > dmaengine: mv_xor: convert callback to helper function > dmaengine: mxs-dma: convert callback to helper function > dmaengine: nbpfaxi: convert callback to helper function > dmaengine: pch_dma: convert callback to helper function > dmaengine: pl330: convert callback to helper function > dmaengine: ppc4xx_adma: convert callback to helper function > dmaengine: qcom_hidma: convert callback to helper function > dmaengine: sh_rcar-dmac: convert callback to helper function > dmaengine: sh_shdma-base: convert callback to helper function > dmaengine: sirf-dma: convert callback to helper function > dmaengine: ste_dma40: convert callback to helper function > dmaengine: tegra20-apb-dma: convert callback to helper function > dmaengine: timb_dma: convert callback to helper function > dmaengine: txx9dmac: convert callback to helper function > dmaengine: virt-dma: convert callback to helper function > dmaengine: xgene-dma: convert callback to helper function > dmaengine: xilinx_vdma: convert callback to helper function > dmaengine: add support to provide error result from a DMA transation > dmaengine: ioatdma: Add error handling to ioat driver > dmaengine: ioatdma: add error strings to chanerr output > ntb: add DMA error handling for TX DMA > ntb: add DMA error handling for RX DMA > > > drivers/dma/at_hdmac.c | 14 +- > drivers/dma/at_xdmac.c | 15 ++- > drivers/dma/coh901318.c | 9 +- > drivers/dma/cppi41.c | 4 + > drivers/dma/dw/core.c | 14 +- > drivers/dma/ep93xx_dma.c | 10 +- > drivers/dma/fsl_raid.c | 11 +- > drivers/dma/fsldma.c | 7 + > drivers/dma/imx-dma.c | 6 + > drivers/dma/imx-sdma.c | 12 +- > drivers/dma/ioat/dma.c | 220 ++++++++++++++++++++++++++++++++----- > drivers/dma/ioat/registers.h | 2 > drivers/dma/iop-adma.c | 6 + > drivers/dma/ipu/ipu_idmac.c | 18 +-- > drivers/dma/mic_x100_dma.c | 9 +- > drivers/dma/mmp_pdma.c | 14 +- > drivers/dma/mmp_tdma.c | 6 + > drivers/dma/mpc512x_dma.c | 6 + > drivers/dma/mv_xor.c | 8 + > drivers/dma/mxs-dma.c | 5 + > drivers/dma/nbpfaxi.c | 9 +- > drivers/dma/pch_dma.c | 7 + > drivers/dma/pl330.c | 10 +- > drivers/dma/ppc4xx/adma.c | 8 + > drivers/dma/qcom/hidma.c | 15 ++- > drivers/dma/sh/rcar-dmac.c | 14 +- > drivers/dma/sh/shdma-base.c | 20 ++- > drivers/dma/sirf-dma.c | 13 ++ > drivers/dma/ste_dma40.c | 10 +- > drivers/dma/tegra20-apb-dma.c | 10 +- > drivers/dma/timb_dma.c | 9 +- > drivers/dma/txx9dmac.c | 9 +- > drivers/dma/virt-dma.c | 17 +-- > drivers/dma/xgene-dma.c | 5 + > drivers/dma/xilinx/xilinx_vdma.c | 10 +- > drivers/ntb/ntb_transport.c | 228 +++++++++++++++++++++++++++++--------- > include/linux/dmaengine.h | 49 ++++++++ > 37 files changed, 580 insertions(+), 259 deletions(-) > > -- > -- > To unsubscribe from this list: send the line "unsubscribe dmaengine" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html