linux-kernel - Re: [PATCH v2 2/6] clk: mvebu: Add the xtal clock for Armada 3700 SoC

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Date:	Sat, 9 Jul 2016 19:34:59 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Mike Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>, linux-clk@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Nadav Haklai <nadavh@...vell.com>,
	Victor Gu <xigu@...vell.com>,
	Romain Perier <romain.perier@...e-electrons.com>,
	Omri Itach <omrii@...vell.com>,
	Marcin Wojtas <mw@...ihalf.com>,
	Wilson Ding <dingwei@...vell.com>,
	Hua Jing <jinghua@...vell.com>, Terry Zhou <bjzhou@...vell.com>
Subject: Re: [PATCH v2 2/6] clk: mvebu: Add the xtal clock for Armada 3700 SoC

On Thu, Jul 7, 2016 at 6:37 PM, Gregory CLEMENT
<gregory.clement@...e-electrons.com> wrote:
> This clock is the parent of all the Armada 3700 clocks. It is a fixed
> rate clock which depends on the gpio configuration read when resetting
> the SoC.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
> ---
>  drivers/clk/mvebu/Kconfig            |  3 ++
>  drivers/clk/mvebu/Makefile           |  1 +
>  drivers/clk/mvebu/armada-37xx-xtal.c | 98 ++++++++++++++++++++++++++++++++++++
>  3 files changed, 102 insertions(+)
>  create mode 100644 drivers/clk/mvebu/armada-37xx-xtal.c
>
> diff --git a/drivers/clk/mvebu/Kconfig b/drivers/clk/mvebu/Kconfig
> index 3165da77d525..fddc8ac5faff 100644
> --- a/drivers/clk/mvebu/Kconfig
> +++ b/drivers/clk/mvebu/Kconfig
> @@ -24,6 +24,9 @@ config ARMADA_39X_CLK
>         bool
>         select MVEBU_CLK_COMMON
>
> +config ARMADA_37XX_CLK
> +       bool
> +

Since the driver is not tristate, can you please remove all modular
references from it?   With the author and license etc. at the top you
can just delete the last three lines, the DEVICE_TABLE and register
with builtin_platform_driver, and then no need for module.h either.

Either that, or change it to a tristate, if that use case makes sense.

Thanks,
Paul.
--


>  config ARMADA_XP_CLK
>         bool
>         select MVEBU_CLK_COMMON
> diff --git a/drivers/clk/mvebu/Makefile b/drivers/clk/mvebu/Makefile
> index 7172ef65693d..4257a36d0219 100644
> --- a/drivers/clk/mvebu/Makefile
> +++ b/drivers/clk/mvebu/Makefile
> @@ -6,6 +6,7 @@ obj-$(CONFIG_ARMADA_370_CLK)    += armada-370.o
>  obj-$(CONFIG_ARMADA_375_CLK)   += armada-375.o
>  obj-$(CONFIG_ARMADA_38X_CLK)   += armada-38x.o
>  obj-$(CONFIG_ARMADA_39X_CLK)   += armada-39x.o
> +obj-$(CONFIG_ARMADA_37XX_CLK)  += armada-37xx-xtal.o
>  obj-$(CONFIG_ARMADA_XP_

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