linux-kernel - Re: [PATCH v2 05/10] musb: sunxi: add support for the F1C100s MUSB controller

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Message-ID: <3515217.R56niFO833@kista>
Date:   Wed, 12 Oct 2022 23:24:04 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Samuel Holland <samuel@...lland.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andre Przywara <andre.przywara@....com>,
        Icenowy Zheng <uwu@...nowy.me>
Cc:     soc@...nel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-phy@...ts.infradead.org,
        linux-usb@...r.kernel.org, Icenowy Zheng <uwu@...nowy.me>
Subject: Re: [PATCH v2 05/10] musb: sunxi: add support for the F1C100s MUSB controller

Hi Icenowy,

Dne sreda, 12. oktober 2022 ob 07:55:57 CEST je Icenowy Zheng napisal(a):
> The suniv SoC has a MUSB controller like the one in A33, but with a SRAM
> region to be claimed.
> 
> Add support for it.
> 
> Signed-off-by: Icenowy Zheng <uwu@...nowy.me>
> ---
> No changes since v1.
> 
>  drivers/usb/musb/sunxi.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
> index 7f9a999cd5ff..4b368d16a73a 100644
> --- a/drivers/usb/musb/sunxi.c
> +++ b/drivers/usb/musb/sunxi.c
> @@ -722,14 +722,17 @@ static int sunxi_musb_probe(struct platform_device
> *pdev) INIT_WORK(&glue->work, sunxi_musb_work);
>  	glue->host_nb.notifier_call = sunxi_musb_host_notifier;
> 
> -	if (of_device_is_compatible(np, "allwinner,sun4i-a10-musb"))
> +	if (of_device_is_compatible(np, "allwinner,sun4i-a10-musb") ||
> +	    of_device_is_compatible(np, "allwinner,suniv-f1c100s-musb")) {
>  		set_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags);
> +	}
> 
>  	if (of_device_is_compatible(np, "allwinner,sun6i-a31-musb"))
>  		set_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags);
> 
>  	if (of_device_is_compatible(np, "allwinner,sun8i-a33-musb") ||
> -	    of_device_is_compatible(np, "allwinner,sun8i-h3-musb")) {
> +	    of_device_is_compatible(np, "allwinner,sun8i-h3-musb") ||
> +	    of_device_is_compatible(np, "allwinner,suniv-f1c100s-musb")) {

All that should be eventually converted to quirks. But for now:
Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

>  		set_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags);
>  		set_bit(SUNXI_MUSB_FL_NO_CONFIGDATA, &glue->flags);
>  	}
> @@ -815,6 +818,7 @@ static const struct of_device_id sunxi_musb_match[] = {
>  	{ .compatible = "allwinner,sun6i-a31-musb", },
>  	{ .compatible = "allwinner,sun8i-a33-musb", },
>  	{ .compatible = "allwinner,sun8i-h3-musb", },
> +	{ .compatible = "allwinner,suniv-f1c100s-musb", },
>  	{}
>  };
>  MODULE_DEVICE_TABLE(of, sunxi_musb_match);
> --
> 2.37.1