linux-kernel - Re: [PATCH v2 05/10] power/reset: Add reset driver support for nuc900

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Message-ID: <CAP=VYLrb5ujiLTPXnPxzPHsdbHft9R45JB3LbbvRnaZ4rUAJoA@mail.gmail.com>
Date:	Sun, 10 Jul 2016 17:56:22 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Wan Zongshun <vw@...mu.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <linux@...linux.org.uk>,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, robh@...nel.org,
	Jason Cooper <jason@...edaemon.net>, p.zabel@...gutronix.de,
	Wan Zongshun <mcuos.com@...il.com>
Subject: Re: [PATCH v2 05/10] power/reset: Add reset driver support for nuc900

On Sun, Jul 10, 2016 at 3:27 AM, Wan Zongshun <vw@...mu.org> wrote
> This driver is to add reset support for nuc900 series,
> currently, it only supports nuc970 SoC reset.
>
> Signed-off-by: Wan Zongshun <mcuos.com@...il.com>
> ---
>  drivers/power/reset/Kconfig        |  7 +++
>  drivers/power/reset/Makefile       |  1 +
>  drivers/power/reset/nuc900-reset.c | 93 ++++++++++++++++++++++++++++++++++++++
>  3 files changed, 101 insertions(+)
>  create mode 100644 drivers/power/reset/nuc900-reset.c
>
> diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
> index 9bb2622..8c84892 100644
> --- a/drivers/power/reset/Kconfig
> +++ b/drivers/power/reset/Kconfig
> @@ -94,6 +94,13 @@ config POWER_RESET_MSM
>         help
>           Power off and restart support for Qualcomm boards.
>
> +config POWER_RESET_NUC900
> +       bool "Nuc900 restart driver"

If this driver is bool and not tristate, then please remove all references
to MODULE_<xyz> and then the module.h include as well.

Thanks,
Paul.
--

> +       depends on ARCH_W90X900
> +       help
> +         Power off and restart support for Nuvoton NUC900 family of
> +         reference boards.
> +
>  config POWER_RESET_LTC2952
>         bool "LTC2952 PowerPath power-off driver"
>         depends on OF_GPIO
> diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
> index ab7aa86..d4df889 100644
> --- a/drivers/power/reset/Makefile
> +++ b/drivers/power/reset/Makefile
> @@ -9,6 +9,7 @@ obj-$(CONFIG_POWER_RESET_GPIO_RESTART) += gpio-restart.o
>  obj-$(CONFIG_POWER_RESET_HISI) += hisi-reboot.o
>  obj-$(CONFIG_POWER_RESET_IMX) += imx-snvs-poweroff.o
>  obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o
> +obj-$(CONFIG_POWER_RESET_NUC900) += nuc900-reset.o
>  obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o
>  obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o
>  obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o
> diff --git a/drivers/power/reset/nuc900-reset.c b/drivers/power/reset/nuc900-reset.c
> new file mode 100644
> index 0000000..49986b7
> --- /dev/null
> +++ b/drivers/power/reset/nuc900-reset.c
> @@ -0,0 +1,93 @@
> +/*
> + * Copyright 2016 Wan Zongshun <mcuos.com@...il.com>
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
> +#include <linux/init.h>
> +#include <linux/err.h>
> +#include <linux/io.h>
> +#include <linux/kernel.h>
> +#include <linux/mfd/syscon.h>
> +#include <linux/module.h>
> +#include <linux/notifier.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/reboot.h>
> +#include <linux/regmap.h>
>

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