linux-kernel - Re: [PATCH 1/7] soc: mediatek: Add USB wakeup driver

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Date:   Fri, 15 Dec 2017 14:55:50 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Jean Delvare <jdelvare@...e.de>,
        Sean Wang <sean.wang@...iatek.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 1/7] soc: mediatek: Add USB wakeup driver

On Sat, Dec 09, 2017 at 04:45:30PM +0800, Chunfeng Yun wrote:
> This driver is used to support usb wakeup which is controlled by
> the glue layer between SSUSB and SPM. Usually the glue layer is put
> into a system controller, such as pericfg module, which is
> represented by a syscon node in DTS.
> Due to the glue layer may vary on different SoCs, it's useful to
> extract a separated driver to simplify usb controller drivers.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
>  drivers/soc/mediatek/Kconfig                  |   8 +
>  drivers/soc/mediatek/Makefile                 |   1 +
>  drivers/soc/mediatek/mtk-usb-wakeup.c         | 519 ++++++++++++++++++++++++++
>  include/dt-bindings/soc/mediatek,usb-wakeup.h |  15 +

This belongs in the binding patch and that should come first.

>  include/linux/soc/mediatek/usb-wakeup.h       |  88 +++++
>  5 files changed, 631 insertions(+)
>  create mode 100644 drivers/soc/mediatek/mtk-usb-wakeup.c
>  create mode 100644 include/dt-bindings/soc/mediatek,usb-wakeup.h
>  create mode 100644 include/linux/soc/mediatek/usb-wakeup.h

> +++ b/drivers/soc/mediatek/mtk-usb-wakeup.c
> @@ -0,0 +1,519 @@
> +/*
> + * Copyright (c) 2017 MediaTek Inc.
> + * Author: Chunfeng Yun <chunfeng.yun@...iatek.com>
> + *
> + * SPDX-License-Identifier: GPL-2.0

This should be the first line of the file and use a // style comment.

[...]

> diff --git a/include/dt-bindings/soc/mediatek,usb-wakeup.h b/include/dt-bindings/soc/mediatek,usb-wakeup.h
> new file mode 100644
> index 0000000..2461795
> --- /dev/null
> +++ b/include/dt-bindings/soc/mediatek,usb-wakeup.h
> @@ -0,0 +1,15 @@
> +/*
> + * Copyright (c) 2017 MediaTek Inc.
> + * Author: Chunfeng Yun <chunfeng.yun@...iatek.com>
> + *
> + * SPDX-License-Identifier: GPL-2.0

ditto. Except headers use /* */ comments...