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Date:   Thu, 25 Apr 2019 16:36:58 -0500
From:   Rob Herring <robh@kernel.org>
To:     Yu Chen <chenyu56@huawei.com>
Cc:     linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, john.stultz@linaro.org,
        suzhuangluan@hisilicon.com, kongfei@hisilicon.com,
        liuyu712@hisilicon.com, wanghu17@hisilicon.com,
        butao@hisilicon.com, chenyao11@huawei.com,
        fangshengzhou@hisilicon.com, lipengcheng8@huawei.com,
        songxiaowei@hisilicon.com, xuyiping@hisilicon.com,
        xuyoujun4@huawei.com, yudongbin@hisilicon.com,
        zangleigang@hisilicon.com, Felipe Balbi <balbi@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v6 03/13] usb: dwc3: dwc3-of-simple: Add support for dwc3
 of Hisilicon Soc Platform
Message-ID: <20190425213658.GB32028@bogus>
References: <20190420064019.57522-1-chenyu56@huawei.com>
 <20190420064019.57522-4-chenyu56@huawei.com>
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On Sat, Apr 20, 2019 at 02:40:09PM +0800, Yu Chen wrote:
> This patch adds support for the poweron and shutdown of dwc3 core
> on Hisilicon Soc Platform.
> 
> Cc: Felipe Balbi <balbi@kernel.org>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: John Stultz <john.stultz@linaro.org>
> Signed-off-by: Yu Chen <chenyu56@huawei.com>
> ---
>  drivers/usb/dwc3/dwc3-of-simple.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
> index 4c2771c5e727..0ed09d876542 100644
> --- a/drivers/usb/dwc3/dwc3-of-simple.c
> +++ b/drivers/usb/dwc3/dwc3-of-simple.c
> @@ -98,7 +98,8 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
>  	 * Some controllers need to toggle the usb3-otg reset before trying to
>  	 * initialize the PHY, otherwise the PHY times out.
>  	 */
> -	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3"))
> +	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3") ||
> +			of_device_is_compatible(np, "hisilicon,hi3660-dwc3"))
>  		simple->need_reset = true;

Fine, I guess, but really this flag should be moved to the match table 
so we aren't doing compatible matching twice.

>  
>  	if (of_device_is_compatible(np, "amlogic,meson-axg-dwc3") ||
> @@ -243,6 +244,7 @@ static const struct of_device_id of_dwc3_simple_match[] = {
>  	{ .compatible = "amlogic,meson-axg-dwc3" },
>  	{ .compatible = "amlogic,meson-gxl-dwc3" },
>  	{ .compatible = "allwinner,sun50i-h6-dwc3" },
> +	{ .compatible = "hisilicon,hi3660-dwc3" },
>  	{ /* Sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, of_dwc3_simple_match);
> -- 
> 2.15.0-rc2
>