linux-kernel - Re: [PATCH 0/2] introduce sunxi hwspinlock

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Message-ID: <20201120160710.wlkl5cdfqlrym2fj@gilmour>
Date:   Fri, 20 Nov 2020 17:07:10 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     fuyao@...winnertech.com
Cc:     wens@...e.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] introduce sunxi hwspinlock

Hi!

On Thu, Nov 19, 2020 at 02:44:51PM +0800, fuyao@...winnertech.com wrote:
> From: fuyao <fuyao@...winnertech.com>
> 
> this series add hwspinlock of sunxi. it provides hardware assistance for
> synchronization between the multiple processors in the system.
> (Or1k, Cortex-A7, Cortex-A53, Xtensa)

Xtensa? Which SoC has an Xtensa core?

Unfortunately, there's been a submission of the same driver earlier this week:
https://lore.kernel.org/lkml/cover.1605693132.git.wilken.gottwalt@posteo.net/

It would be great if you could point out whatever issue there is with
that patch series (it looks like the retry delay could be useful for
example).

Thanks!
Maxime

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