linux-kernel - Re: [PATCH v3 3/5] nfc: pn533: add UART phy driver

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Message-Id: <9494A12C-C53A-4F6E-B6F3-BABB09867677@holtmann.org>
Date:   Sun, 28 Oct 2018 14:46:24 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Lars Poeschel <poeschel@...onage.de>,
        devicetree <devicetree@...r.kernel.org>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:NFC SUBSYSTEM" <linux-wireless@...r.kernel.org>
Subject: Re: [PATCH v3 3/5] nfc: pn533: add UART phy driver

Hi Johan,

>> This adds the UART phy interface for the pn533 driver.
>> The pn533 driver can be used through UART interface this way.
>> It is implemented as a serdev device.
> 
> Just a few drive-by comments below.
> 
>> +// SPDX-License-Identifier: GPL-2.0
> 
> This should match MODULE_LICENSE below which currently says v2 *or
> later*.
> 
>> +/*
>> + * Driver for NXP PN532 NFC Chip - UART transport layer
>> + *
>> + * Copyright (C) 2018 Lemonage Software GmbH
>> + * Author: Lars Pöschel <poeschel@...onage.de>
>> + * All rights reserved.
>> + */
> 
>> +#define VERSION "0.1"
> 
> We don't version kernel drivers individually, so please drop this here
> and below.

if we don’t then maybe send patches to remove MODULE_VERSION first. Otherwise this is totally fine to do.

There are currently 670 usages of MODULE_VERSION and I have not heard anybody looking at removing this.

Regards

Marcel