netdev - Re: [PATCH v7 1/7] nfc: pn533: i2c: "pn532" as dt compatible string

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Message-ID: <20190918123457.wg6mtygr6cboqsp6@verge.net.au>
Date:   Wed, 18 Sep 2019 14:34:57 +0200
From:   Simon Horman <horms@...ge.net.au>
To:     Lars Poeschel <poeschel@...onage.de>
Cc:     Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jilayne Lovejoy <opensource@...ayne.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "open list:NFC SUBSYSTEM" <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v7 1/7] nfc: pn533: i2c: "pn532" as dt compatible string

On Tue, Sep 10, 2019 at 11:31:21AM +0200, Lars Poeschel wrote:
> It is favourable to have one unified compatible string for devices that
> have multiple interfaces. So this adds simply "pn532" as the devicetree
> binding compatible string and makes a note that the old ones are
> deprecated.

Do you also need to update
Documentation/devicetree/bindings/net/nfc/pn533-i2c.txt
to both document the new compat string and deprecate the old ones?

> Cc: Johan Hovold <johan@...nel.org>
> Signed-off-by: Lars Poeschel <poeschel@...onage.de>
> ---
> Changes in v6:
> - Rebased the patch series on v5.3-rc5
> 
> Changes in v3:
> - This patch is new in v3
> 
>  drivers/nfc/pn533/i2c.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
> index 1832cd921ea7..1abd40398a5a 100644
> --- a/drivers/nfc/pn533/i2c.c
> +++ b/drivers/nfc/pn533/i2c.c
> @@ -245,6 +245,11 @@ static int pn533_i2c_remove(struct i2c_client *client)
>  }
>  
>  static const struct of_device_id of_pn533_i2c_match[] = {
> +	{ .compatible = "nxp,pn532", },
> +	/*
> +	 * NOTE: The use of the compatibles with the trailing "...-i2c" is
> +	 * deprecated and will be removed.
> +	 */
>  	{ .compatible = "nxp,pn533-i2c", },
>  	{ .compatible = "nxp,pn532-i2c", },
>  	{},
> -- 
> 2.23.0
>