linux-kernel - Re: [PATCH] usb: musb: sunxi: propagate devicetree node to glue pdev

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Date:   Mon, 18 Mar 2019 14:29:00 +0000
From:   Måns Rullgård <mans@...sr.com>
To:     Bin Liu <b-liu@...com>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: musb: sunxi: propagate devicetree node to glue pdev

Mans Rullgard <mans@...sr.com> writes:

> In order for devicetree nodes to be correctly associated with attached
> devices, the controller node needs to be propagated to the glue device.
>
> Signed-off-by: Mans Rullgard <mans@...sr.com>
> ---
> This depends on 2c1ea6abde88 ("platform: set of_node in
> platform_device_register_full()") which is currently winding its way
> through the staging trees.

That patch is now in next.

> ---
>  drivers/usb/musb/sunxi.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
> index 832a41f9ee7d..a72665fbf111 100644
> --- a/drivers/usb/musb/sunxi.c
> +++ b/drivers/usb/musb/sunxi.c
> @@ -781,6 +781,8 @@ static int sunxi_musb_probe(struct platform_device *pdev)
>  	pinfo.name	 = "musb-hdrc";
>  	pinfo.id	= PLATFORM_DEVID_AUTO;
>  	pinfo.parent	= &pdev->dev;
> +	pinfo.fwnode	= of_fwnode_handle(pdev->dev.of_node);
> +	pinfo.of_node_reused = true;
>  	pinfo.res	= pdev->resource;
>  	pinfo.num_res	= pdev->num_resources;
>  	pinfo.data	= &pdata;
> -- 
> 2.20.1
>

-- 
Måns Rullgård