[PATCH v10 20/26] dt-bindings: mtd: sunxi: require the H616 AHB reset
Krzysztof Kozlowski
krzk at kernel.org
Fri Nov 6 00:30:39 PST 2026
On 06/11/2026 09:28, James Hilliard wrote:
> On Fri, Nov 6, 2026 at 1:19 AM Krzysztof Kozlowski <krzk at kernel.org> 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.
>
Please place this in the commit msg.
Best regards,
Krzysztof
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