Re: [PATCH v10 20/26] dt-bindings: mtd: sunxi: require the H616 AHB reset

[James Hilliard]

On Fri, Nov 6, 2026 at 1:19 AM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Thu, Nov 05, 2026 at 11:55:36AM -0700, James Hilliard wrote:
> > The H616 NAND controller needs its AHB reset to stop internal DMA and
>
> So was the device working or not? Be explicit, because this is an ABI
> break.

Normal NAND reads and writes worked. The failure was in recovery after
aborting an active internal DMA transfer: the controller's soft reset
could leave the first subsequent read displaced, sometimes without an
ECC error. I reproduced this through fault injection, not ordinary I/O.

>
> Best regards,
> Krzysztof
>