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

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Message-ID: <aUF6WiKxOGQqwDvw@vaman>
Date: Tue, 16 Dec 2025 20:57:22 +0530
From: Vinod Koul <vkoul@...nel.org>
To: jeanmichel.hautbois@...eli.org
Cc: Frank Li <Frank.Li@....com>, Angelo Dureghello <angelo@...am.it>,
	Greg Ungerer <gerg@...ux-m68k.org>, imx@...ts.linux.dev,
	dmaengine@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/5] dma: fsl/mcf-edma: Bug fixes and enhancements for
 ColdFire support

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@...eli.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@...eli.org>
> 

-- 
~Vinod