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Date:   Wed, 9 Jan 2019 13:44:03 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Vignesh R <vigneshr@...com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>, Jiri Slaby <jslaby@...e.com>,
        Lokesh Vutla <lokeshvutla@...com>,
        linux-serial@...r.kernel.org, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] serial: 8250_omap: Drop check for of_node

* Vignesh R <vigneshr@...com> [190109 09:11]:
> 8250_omap is DT only driver so dev->of_node always exists. Drop check
> for existence of valid dev->of_node to simplify omap8250_probe().

That part seems safe to me now.

> --- a/drivers/tty/serial/8250/8250_omap.c
> +++ b/drivers/tty/serial/8250/8250_omap.c
...
> -		const struct of_device_id *id;
> -
> -		ret = of_alias_get_id(pdev->dev.of_node, "serial");
> -
> -		of_property_read_u32(pdev->dev.of_node, "clock-frequency",
> -				     &up.port.uartclk);
> -		priv->wakeirq = irq_of_parse_and_map(pdev->dev.of_node, 1);
> -
> -		id = of_match_device(of_match_ptr(omap8250_dt_ids), &pdev->dev);
> -		if (id && id->data)
> -			priv->habit |= *(u8 *)id->data;

But this part it seems we still need to keep around
as we still have lots of clock-frequency references
in the *.dtsi files. Or am I missing something?

Regards

Tony

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