linux-kernel - Re: [PATCH v7 2/2] mfd: syscon: Add hardware spinlock support

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Message-ID: <20180111152219.yzit67dzdshi3cxs@dell>
Date:   Thu, 11 Jan 2018 15:22:19 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     arnd@...db.de, robh+dt@...nel.org, mark.rutland@....com,
        broonie@...nel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v7 2/2] mfd: syscon: Add hardware spinlock support

On Mon, 25 Dec 2017, Baolin Wang wrote:

> Some system control registers need hardware spinlock to synchronize
> between the multiple subsystems, so we should add hardware spinlock
> support for syscon.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
> Changes since v6:
>  - Treat hwlock id 0 as valid for regmap.
> 
> Changes since v5:
>  - Fix the case that hwspinlock is not enabled.
> 
> Changes since v4:
>  - Add one exapmle to show how to add hwlock.
>  - Fix the coding style issue.
> 
> Changes since v3:
>  - Add error handling for of_hwspin_lock_get_id()
> 
> Changes since v2:
>  - Add acked tag from Rob.
> 
> Changes since v1:
>  - Remove timeout configuration.
>  - Modify the binding file to add hwlocks.
> ---
>  Documentation/devicetree/bindings/mfd/syscon.txt |    8 ++++++++
>  drivers/mfd/syscon.c                             |   19 +++++++++++++++++++
>  2 files changed, 27 insertions(+)

Applied, thanks.

-- 
Lee Jones
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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