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

From: Lee Jones
Date: Thu Jan 11 2018 - 10:22:30 EST


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@xxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> 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 â Open source software for ARM SoCs
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