linux-kernel - Re: [PATCH 1/3] serial: 8250_omap: Drop check for of

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Message-ID: <20190110152705.GX5544@atomide.com>
Date:   Thu, 10 Jan 2019 07:27:05 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Vignesh R <vigneshr@...com>
Cc:     Sebastian Reichel <sre@...nel.org>,
        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> [190110 13:24]:
> 
> On 10-Jan-19 5:37 PM, Sebastian Reichel wrote:
> > Hi,
> > 
> > On Wed, Jan 09, 2019 at 01:44:03PM -0800, Tony Lindgren wrote:
> >> * 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?
> > 
> > It's re-added a couple of lines later. Only the indent was removed.
> > 
> 
> That's right. You beat me to it. Thanks :)

Oh right, sorry I missed that :)

Regards,

Tony