Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 15 Dec 2023 00:04:45 -0500 | From | Frank Li <> | Subject | Re: [PATCH 0/4] dmaengine: fsl-edma: fix eDMAv4 uart dma loop test failure |
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On Tue, Nov 14, 2023 at 10:48:20AM -0500, Frank Li wrote: > The commit a725990557e7d ("arm64: dts: imx93: Fix the dmas entries order") > trigger a hidden eDMAv4 hardware limitation. > > Some channel require stick to odd number, some require stick to even > number. > > This fixes include 3 part. > 1. add limitation at eDMA driver. > 2. create dt-binding header file to share define between driver and dts > 3. add ODD and EVEN requirement for uart driver at dts file.
@vkoul: Did you have chance to check this patch?
Frank
> > Frank Li (4): > dmaengine: fsl-edma: fix eDMAv4 channel allocation issue > dt-bindings: dma: fsl-edma: Add fsl-edma.h to prevent hardcoding in > dts > dmaengine: fsl-edma: utilize common dt-binding header file > arm64: dts: imx93: Fix EDMA transfer failure > > arch/arm64/boot/dts/freescale/imx93.dtsi | 13 +++++++++---- > drivers/dma/fsl-edma-main.c | 17 ++++++++++------- > include/dt-bindings/dma/fsl-edma.h | 21 +++++++++++++++++++++ > 3 files changed, 40 insertions(+), 11 deletions(-) > create mode 100644 include/dt-bindings/dma/fsl-edma.h > > -- > 2.34.1 >
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