linux-kernel - Re: [PATCH V1 3/9] clk: sprd: add gate clock support

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Date:   Mon, 19 Jun 2017 18:31:30 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Chunyan Zhang <chunyan.zhang@...eadtrum.com>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Arnd Bergmann <arnd@...db.de>, Mark Brown <broonie@...nel.org>,
        Xiaolong Zhang <xiaolong.zhang@...eadtrum.com>,
        Orson Zhai <orson.zhai@...eadtrum.com>,
        Geng Ren <geng.ren@...eadtrum.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: Re: [PATCH V1 3/9] clk: sprd: add gate clock support

On 06/18, Chunyan Zhang wrote:
> diff --git a/drivers/clk/sprd/Makefile b/drivers/clk/sprd/Makefile
> index 8f802b2..333e2b2 100644
> --- a/drivers/clk/sprd/Makefile
> +++ b/drivers/clk/sprd/Makefile
> @@ -1,3 +1,3 @@
>  ifneq ($(CONFIG_OF),)
> -obj-y	+= ccu_common.o
> +obj-y	+= ccu_common.o ccu_gate.o

Can this be built as a module?

>  endif
> diff --git a/drivers/clk/sprd/ccu_gate.c b/drivers/clk/sprd/ccu_gate.c
> new file mode 100644
> index 0000000..3d27615
> --- /dev/null
> +++ b/drivers/clk/sprd/ccu_gate.c
> @@ -0,0 +1,102 @@
> +/*
> + * Spreadtrum gate clock driver
> + *
> + * Copyright (C) 2017 Spreadtrum, Inc.
> + *
> + * SPDX-License-Identifier: GPL-2.0
> + */
> +
> +#include <linux/clk-provider.h>
> +
> +#include "ccu_gate.h"
> +
> +DEFINE_SPINLOCK(gate_lock);

This variable name is not very unique for debugging lockdep
reports. Probably needs 'sprd' in the name.

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