Re: [PATCH v2 0/5] dma: fsl/mcf-edma: Bug fixes and enhancements for ColdFire support

Vinod Koul
2025-12-16T15:27:25Z

On 26-11-25, 09:36, Jean-Michel Hautbois via B4 Relay wrote:
> This series addresses several bugs in the fsl-edma and mcf-edma drivers
> affecting MCF54418 ColdFire processors.
>
> Patch 1 adds the FSL_EDMA_DRV_MCF flag to fix byte-lane addressing for
> MCF54418.
>
> Patch 2 adds per-channel IRQ naming for easier debugging.
>
> Patches 3-5 fix the interrupt and error handlers for all 64 DMA
> channels:
> - Patch 3 fixes the interrupt handler to process all 64 channels
> - Patch 4 moves the error handler out of the header file for clarity
> - Patch 5 fixes the error handler for all 64 channels with proper types
>
> Tested on a custom MCF54418-based platform with slave DMA transfers.

The subsystem is dmaengine, please fix it in the patchseries

>
> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
> ---
> Changes in v2:
> - Check devm_kasprintf() return value
> - Keep request_irq on one line in naming patch
> - Remove non needed memory barrier
> - Remove the interleave patch for now
> - Link to v1: https://lore.kernel.org/r/20251124-dma-coldfire-v1-0-dc8f93185464@yoseli.org
>
> ---
> Jean-Michel Hautbois (5):
> dma: fsl-edma: Add FSL_EDMA_DRV_MCF flag for ColdFire eDMA
> dma: mcf-edma: Add per-channel IRQ naming for debugging
> dma: mcf-edma: Fix interrupt handler for 64 DMA channels
> dma: fsl-edma: Move error handler out of header file
> dma: mcf-edma: Fix error handler for all 64 DMA channels
>
> drivers/dma/fsl-edma-common.c | 5 +++
> drivers/dma/fsl-edma-common.h | 11 +++----
> drivers/dma/mcf-edma-main.c | 72 +++++++++++++++++++++++++------------------
> 3 files changed, 52 insertions(+), 36 deletions(-)
> ---
> base-commit: ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d
> change-id: 20251123-dma-coldfire-5f36aee143b3
>
> Best regards,
> --
> Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
>

--
~Vinod