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

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Date:   Mon, 22 Jan 2018 13:43:36 +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 Thu, 11 Jan 2018, Lee Jones wrote:
> 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.

In order to avoid confusion, I should like to tell you that this patch
is applied for v4.17, not v4.16.

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