Re: [PATCH v3 1/1] ufs: core: Expand MCQ queue slot to DeviceQueueDepth + 1

Peter Wang (王信友)
2023-11-03T02:19:39Z

On Thu, 2023-11-02 at 13:24 +0800, naomi.chu@mediatek.com wrote:
> From: Naomi Chu <naomi.chu@mediatek.com>
>
> The UFSHCI 4.0 specification mandates that there should always be at
> least one empty slot in each queue for distinguishing between full
> and
> empty states. Enlarge the `hwq->max_entries` to `DeviceQueueDepth +1`
> to allow UFSHCI 4.0 controllers to fully utilize MCQ queue slots.
>
>

Reviewed-by: Peter Wang <peter.wang@mediatek.com>